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-rw-r--r--drivers/media/radio/dsbr100.c18
-rw-r--r--drivers/media/radio/miropcm20-radio.c3
-rw-r--r--drivers/media/radio/radio-aimslab.c14
-rw-r--r--drivers/media/radio/radio-aztech.c14
-rw-r--r--drivers/media/radio/radio-cadet.c14
-rw-r--r--drivers/media/radio/radio-gemtek-pci.c13
-rw-r--r--drivers/media/radio/radio-gemtek.c13
-rw-r--r--drivers/media/radio/radio-maestro.c12
-rw-r--r--drivers/media/radio/radio-maxiradio.c15
-rw-r--r--drivers/media/radio/radio-rtrack2.c14
-rw-r--r--drivers/media/radio/radio-sf16fmi.c14
-rw-r--r--drivers/media/radio/radio-sf16fmr2.c14
-rw-r--r--drivers/media/radio/radio-si470x.c501
-rw-r--r--drivers/media/radio/radio-terratec.c14
-rw-r--r--drivers/media/radio/radio-trust.c14
-rw-r--r--drivers/media/radio/radio-typhoon.c14
-rw-r--r--drivers/media/radio/radio-zoltrix.c14
17 files changed, 478 insertions, 237 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 4e3f83e4e48f..1ed88f3abe61 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -85,6 +85,7 @@
#include <linux/input.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/usb.h>
/*
@@ -444,14 +445,7 @@ static const struct file_operations usb_dsbr100_fops = {
.llseek = no_llseek,
};
-/* V4L2 interface */
-static struct video_device dsbr100_videodev_template =
-{
- .owner = THIS_MODULE,
- .name = "D-Link DSB-R 100",
- .type = VID_TYPE_TUNER,
- .fops = &usb_dsbr100_fops,
- .release = video_device_release,
+static const struct v4l2_ioctl_ops usb_dsbr100_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -466,6 +460,14 @@ static struct video_device dsbr100_videodev_template =
.vidioc_s_input = vidioc_s_input,
};
+/* V4L2 interface */
+static struct video_device dsbr100_videodev_template = {
+ .name = "D-Link DSB-R 100",
+ .fops = &usb_dsbr100_fops,
+ .ioctl_ops = &usb_dsbr100_ioctl_ops,
+ .release = video_device_release,
+};
+
/* check if the device is present and register with v4l and
usb if it is */
static int usb_dsbr100_probe(struct usb_interface *intf,
diff --git a/drivers/media/radio/miropcm20-radio.c b/drivers/media/radio/miropcm20-radio.c
index 09fe6f1cdf14..7fd7ee2d32c1 100644
--- a/drivers/media/radio/miropcm20-radio.c
+++ b/drivers/media/radio/miropcm20-radio.c
@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/videodev.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include "oss/aci.h"
#include "miropcm20-rds-core.h"
@@ -228,9 +229,7 @@ static const struct file_operations pcm20_fops = {
};
static struct video_device pcm20_radio = {
- .owner = THIS_MODULE,
.name = "Miro PCM 20 radio",
- .type = VID_TYPE_TUNER,
.fops = &pcm20_fops,
.priv = &pcm20_unit
};
diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c
index 1ec18ed1a733..eba9209b3024 100644
--- a/drivers/media/radio/radio-aimslab.c
+++ b/drivers/media/radio/radio-aimslab.c
@@ -36,6 +36,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,0,2)
@@ -388,12 +389,7 @@ static const struct file_operations rtrack_fops = {
.llseek = no_llseek,
};
-static struct video_device rtrack_radio=
-{
- .owner = THIS_MODULE,
- .name = "RadioTrack radio",
- .type = VID_TYPE_TUNER,
- .fops = &rtrack_fops,
+static const struct v4l2_ioctl_ops rtrack_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -408,6 +404,12 @@ static struct video_device rtrack_radio=
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device rtrack_radio = {
+ .name = "RadioTrack radio",
+ .fops = &rtrack_fops,
+ .ioctl_ops = &rtrack_ioctl_ops,
+};
+
static int __init rtrack_init(void)
{
if(io==-1)
diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c
index 46cdb549eac7..3fe5504428c5 100644
--- a/drivers/media/radio/radio-aztech.c
+++ b/drivers/media/radio/radio-aztech.c
@@ -33,6 +33,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,0,2)
@@ -352,12 +353,7 @@ static const struct file_operations aztech_fops = {
.llseek = no_llseek,
};
-static struct video_device aztech_radio=
-{
- .owner = THIS_MODULE,
- .name = "Aztech radio",
- .type = VID_TYPE_TUNER,
- .fops = &aztech_fops,
+static const struct v4l2_ioctl_ops aztech_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -372,6 +368,12 @@ static struct video_device aztech_radio=
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device aztech_radio = {
+ .name = "Aztech radio",
+ .fops = &aztech_fops,
+ .ioctl_ops = &aztech_ioctl_ops,
+};
+
module_param_named(debug,aztech_radio.debug, int, 0644);
MODULE_PARM_DESC(debug,"activates debug info");
diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
index b14db53ea456..6166e726ed72 100644
--- a/drivers/media/radio/radio-cadet.c
+++ b/drivers/media/radio/radio-cadet.c
@@ -39,6 +39,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* V4L2 API defs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/param.h>
#include <linux/pnp.h>
@@ -569,12 +570,7 @@ static const struct file_operations cadet_fops = {
.llseek = no_llseek,
};
-static struct video_device cadet_radio=
-{
- .owner = THIS_MODULE,
- .name = "Cadet radio",
- .type = VID_TYPE_TUNER,
- .fops = &cadet_fops,
+static const struct v4l2_ioctl_ops cadet_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -589,6 +585,12 @@ static struct video_device cadet_radio=
.vidioc_s_input = vidioc_s_input,
};
+static struct video_device cadet_radio = {
+ .name = "Cadet radio",
+ .fops = &cadet_fops,
+ .ioctl_ops = &cadet_ioctl_ops,
+};
+
#ifdef CONFIG_PNP
static struct pnp_device_id cadet_pnp_devices[] = {
diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c
index de49be971480..36e754e3ffb2 100644
--- a/drivers/media/radio/radio-gemtek-pci.c
+++ b/drivers/media/radio/radio-gemtek-pci.c
@@ -46,6 +46,7 @@
#include <linux/pci.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/errno.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
@@ -374,11 +375,7 @@ static const struct file_operations gemtek_pci_fops = {
.llseek = no_llseek,
};
-static struct video_device vdev_template = {
- .owner = THIS_MODULE,
- .name = "Gemtek PCI Radio",
- .type = VID_TYPE_TUNER,
- .fops = &gemtek_pci_fops,
+static const struct v4l2_ioctl_ops gemtek_pci_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -393,6 +390,12 @@ static struct video_device vdev_template = {
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device vdev_template = {
+ .name = "Gemtek PCI Radio",
+ .fops = &gemtek_pci_fops,
+ .ioctl_ops = &gemtek_pci_ioctl_ops,
+};
+
static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci_device_id *pci_id )
{
struct gemtek_pci_card *card;
diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c
index 81f6aeb1cd11..2b1a6221de6d 100644
--- a/drivers/media/radio/radio-gemtek.c
+++ b/drivers/media/radio/radio-gemtek.c
@@ -23,6 +23,7 @@
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
+#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
#include <linux/spinlock.h>
@@ -552,11 +553,7 @@ static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
return 0;
}
-static struct video_device gemtek_radio = {
- .owner = THIS_MODULE,
- .name = "GemTek Radio card",
- .type = VID_TYPE_TUNER,
- .fops = &gemtek_fops,
+static const struct v4l2_ioctl_ops gemtek_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -571,6 +568,12 @@ static struct video_device gemtek_radio = {
.vidioc_s_ctrl = vidioc_s_ctrl
};
+static struct video_device gemtek_radio = {
+ .name = "GemTek Radio card",
+ .fops = &gemtek_fops,
+ .ioctl_ops = &gemtek_ioctl_ops,
+};
+
/*
* Initialization / cleanup related stuff.
*/
diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c
index bddd3c409aa9..0ada1c697e8a 100644
--- a/drivers/media/radio/radio-maestro.c
+++ b/drivers/media/radio/radio-maestro.c
@@ -27,6 +27,7 @@
#include <linux/pci.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,0,6)
@@ -354,10 +355,7 @@ static u16 __devinit radio_power_on(struct radio_device *dev)
return (ofreq == radio_bits_get(dev));
}
-static struct video_device maestro_radio = {
- .name = "Maestro radio",
- .type = VID_TYPE_TUNER,
- .fops = &maestro_fops,
+static const struct v4l2_ioctl_ops maestro_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -372,6 +370,12 @@ static struct video_device maestro_radio = {
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device maestro_radio = {
+ .name = "Maestro radio",
+ .fops = &maestro_fops,
+ .ioctl_ops = &maestro_ioctl_ops,
+};
+
static int __devinit maestro_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c
index 0133ecf3e040..43c75497dc49 100644
--- a/drivers/media/radio/radio-maxiradio.c
+++ b/drivers/media/radio/radio-maxiradio.c
@@ -44,6 +44,7 @@
#include <linux/pci.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#define DRIVER_VERSION "0.77"
@@ -373,13 +374,7 @@ static int vidioc_s_ctrl (struct file *file, void *priv,
return -EINVAL;
}
-static struct video_device maxiradio_radio =
-{
- .owner = THIS_MODULE,
- .name = "Maxi Radio FM2000 radio",
- .type = VID_TYPE_TUNER,
- .fops = &maxiradio_fops,
-
+static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -394,6 +389,12 @@ static struct video_device maxiradio_radio =
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device maxiradio_radio = {
+ .name = "Maxi Radio FM2000 radio",
+ .fops = &maxiradio_fops,
+ .ioctl_ops = &maxiradio_ioctl_ops,
+};
+
static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
if(!request_region(pci_resource_start(pdev, 0),
diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c
index 070802103dc3..e2dde0807268 100644
--- a/drivers/media/radio/radio-rtrack2.c
+++ b/drivers/media/radio/radio-rtrack2.c
@@ -17,6 +17,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/spinlock.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
@@ -294,12 +295,7 @@ static const struct file_operations rtrack2_fops = {
.llseek = no_llseek,
};
-static struct video_device rtrack2_radio=
-{
- .owner = THIS_MODULE,
- .name = "RadioTrack II radio",
- .type = VID_TYPE_TUNER,
- .fops = &rtrack2_fops,
+static const struct v4l2_ioctl_ops rtrack2_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -314,6 +310,12 @@ static struct video_device rtrack2_radio=
.vidioc_s_input = vidioc_s_input,
};
+static struct video_device rtrack2_radio = {
+ .name = "RadioTrack II radio",
+ .fops = &rtrack2_fops,
+ .ioctl_ops = &rtrack2_ioctl_ops,
+};
+
static int __init rtrack2_init(void)
{
if(io==-1)
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 66e052fd3909..bb5d92f104af 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -24,6 +24,7 @@
#include <linux/delay.h> /* udelay */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/isapnp.h>
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
@@ -294,12 +295,7 @@ static const struct file_operations fmi_fops = {
.llseek = no_llseek,
};
-static struct video_device fmi_radio=
-{
- .owner = THIS_MODULE,
- .name = "SF16FMx radio",
- .type = VID_TYPE_TUNER,
- .fops = &fmi_fops,
+static const struct v4l2_ioctl_ops fmi_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -314,6 +310,12 @@ static struct video_device fmi_radio=
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device fmi_radio = {
+ .name = "SF16FMx radio",
+ .fops = &fmi_fops,
+ .ioctl_ops = &fmi_ioctl_ops,
+};
+
/* ladis: this is my card. does any other types exist? */
static struct isapnp_device_id id_table[] __devinitdata = {
{ ISAPNP_ANY_ID, ISAPNP_ANY_ID,
diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c
index b0ccf7cb5952..6290553d24be 100644
--- a/drivers/media/radio/radio-sf16fmr2.c
+++ b/drivers/media/radio/radio-sf16fmr2.c
@@ -22,6 +22,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/mutex.h>
static struct mutex lock;
@@ -410,12 +411,7 @@ static const struct file_operations fmr2_fops = {
.llseek = no_llseek,
};
-static struct video_device fmr2_radio=
-{
- .owner = THIS_MODULE,
- .name = "SF16FMR2 radio",
- . type = VID_TYPE_TUNER,
- .fops = &fmr2_fops,
+static const struct v4l2_ioctl_ops fmr2_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -430,6 +426,12 @@ static struct video_device fmr2_radio=
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device fmr2_radio = {
+ .name = "SF16FMR2 radio",
+ .fops = &fmr2_fops,
+ .ioctl_ops = &fmr2_ioctl_ops,
+};
+
static int __init fmr2_init(void)
{
fmr2_unit.port = io;
diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 77354ca6e8e9..a4984ff87c9c 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -24,6 +24,19 @@
/*
+ * User Notes:
+ * - USB Audio is provided by the alsa snd_usb_audio module.
+ * For listing you have to redirect the sound, for example using:
+ * arecord -D hw:1,0 -r96000 -c2 -f S16_LE | artsdsp aplay -B -
+ * - regarding module parameters in /sys/module/radio_si470x/parameters:
+ * the contents of read-only files (0444) are not updated, even if
+ * space, band and de are changed using private video controls
+ * - increase tune_timeout, if you often get -EIO errors
+ * - hw_freq_seek returns -EAGAIN, when timed out or band limit is reached
+ */
+
+
+/*
* History:
* 2008-01-12 Tobias Lorenz <tobias.lorenz@gmx.net>
* Version 1.0.0
@@ -85,10 +98,14 @@
* Oliver Neukum <oliver@neukum.org>
* Version 1.0.7
* - usb autosuspend support
- * - unplugging fixed
+ * - unplugging fixed
+ * 2008-05-07 Tobias Lorenz <tobias.lorenz@gmx.net>
+ * Version 1.0.8
+ * - hardware frequency seek support
+ * - afc indication
+ * - more safety checks, let si470x_get_freq return errno
*
* ToDo:
- * - add seeking support
* - add firmware download/update support
* - RDS support: interrupt mode, instead of polling
* - add LED status output (check if that's not already done in firmware)
@@ -98,10 +115,10 @@
/* driver definitions */
#define DRIVER_AUTHOR "Tobias Lorenz <tobias.lorenz@gmx.net>"
#define DRIVER_NAME "radio-si470x"
-#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 7)
+#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 8)
#define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver"
#define DRIVER_DESC "USB radio driver for Si470x FM Radio Receivers"
-#define DRIVER_VERSION "1.0.7"
+#define DRIVER_VERSION "1.0.8"
/* kernel includes */
@@ -116,6 +133,7 @@
#include <linux/videodev2.h>
#include <linux/mutex.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <media/rds.h>
#include <asm/unaligned.h>
@@ -175,6 +193,11 @@ static unsigned int tune_timeout = 3000;
module_param(tune_timeout, uint, 0);
MODULE_PARM_DESC(tune_timeout, "Tune timeout: *3000*");
+/* Seek timeout */
+static unsigned int seek_timeout = 5000;
+module_param(seek_timeout, uint, 0);
+MODULE_PARM_DESC(seek_timeout, "Seek timeout: *5000*");
+
/* RDS buffer blocks */
static unsigned int rds_buf = 100;
module_param(rds_buf, uint, 0);
@@ -425,7 +448,8 @@ struct si470x_device {
/* driver management */
unsigned int users;
- unsigned char disconnected;
+ unsigned char disconnected;
+ struct mutex disconnect_lock;
/* Silabs internal registers (0..15) */
unsigned short registers[RADIO_REGISTER_NUM];
@@ -442,12 +466,6 @@ struct si470x_device {
/*
- * Lock to prevent kfree of data before all users have releases the device.
- */
-static DEFINE_MUTEX(open_close_lock);
-
-
-/*
* The frequency is set in units of 62.5 Hz when using V4L2_TUNER_CAP_LOW,
* 62.5 kHz otherwise.
* The tuner is able to have a channel spacing of 50, 100 or 200 kHz.
@@ -476,11 +494,11 @@ static int si470x_get_report(struct si470x_device *radio, void *buf, int size)
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
report[0], 2,
buf, size, usb_timeout);
+
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME
": si470x_get_report: usb_control_msg returned %d\n",
retval);
-
return retval;
}
@@ -499,11 +517,11 @@ static int si470x_set_report(struct si470x_device *radio, void *buf, int size)
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
report[0], 2,
buf, size, usb_timeout);
+
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME
": si470x_set_report: usb_control_msg returned %d\n",
retval);
-
return retval;
}
@@ -521,8 +539,7 @@ static int si470x_get_register(struct si470x_device *radio, int regnr)
retval = si470x_get_report(radio, (void *) &buf, sizeof(buf));
if (retval >= 0)
- radio->registers[regnr] = be16_to_cpu(get_unaligned(
- (unsigned short *) &buf[1]));
+ radio->registers[regnr] = get_unaligned_be16(&buf[1]);
return (retval < 0) ? -EINVAL : 0;
}
@@ -537,8 +554,7 @@ static int si470x_set_register(struct si470x_device *radio, int regnr)
int retval;
buf[0] = REGISTER_REPORT(regnr);
- put_unaligned(cpu_to_be16(radio->registers[regnr]),
- (unsigned short *) &buf[1]);
+ put_unaligned_be16(radio->registers[regnr], &buf[1]);
retval = si470x_set_report(radio, (void *) &buf, sizeof(buf));
@@ -561,9 +577,8 @@ static int si470x_get_all_registers(struct si470x_device *radio)
if (retval >= 0)
for (regnr = 0; regnr < RADIO_REGISTER_NUM; regnr++)
- radio->registers[regnr] = be16_to_cpu(get_unaligned(
- (unsigned short *)
- &buf[regnr * RADIO_REGISTER_SIZE + 1]));
+ radio->registers[regnr] = get_unaligned_be16(
+ &buf[regnr * RADIO_REGISTER_SIZE + 1]);
return (retval < 0) ? -EINVAL : 0;
}
@@ -585,7 +600,7 @@ static int si470x_get_rds_registers(struct si470x_device *radio)
usb_rcvintpipe(radio->usbdev, 1),
(void *) &buf, sizeof(buf), &size, usb_timeout);
if (size != sizeof(buf))
- printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: "
+ printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: "
"return size differs: %d != %zu\n", size, sizeof(buf));
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: "
@@ -594,8 +609,8 @@ static int si470x_get_rds_registers(struct si470x_device *radio)
if (retval >= 0)
for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++)
radio->registers[STATUSRSSI + regnr] =
- be16_to_cpu(get_unaligned((unsigned short *)
- &buf[regnr * RADIO_REGISTER_SIZE + 1]));
+ get_unaligned_be16(
+ &buf[regnr * RADIO_REGISTER_SIZE + 1]);
return (retval < 0) ? -EINVAL : 0;
}
@@ -615,33 +630,39 @@ static int si470x_set_chan(struct si470x_device *radio, unsigned short chan)
radio->registers[CHANNEL] |= CHANNEL_TUNE | chan;
retval = si470x_set_register(radio, CHANNEL);
if (retval < 0)
- return retval;
+ goto done;
- /* wait till seek operation has completed */
+ /* wait till tune operation has completed */
timeout = jiffies + msecs_to_jiffies(tune_timeout);
do {
retval = si470x_get_register(radio, STATUSRSSI);
if (retval < 0)
- return retval;
+ goto stop;
timed_out = time_after(jiffies, timeout);
} while (((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0) &&
(!timed_out));
+ if ((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0)
+ printk(KERN_WARNING DRIVER_NAME ": tune does not complete\n");
if (timed_out)
printk(KERN_WARNING DRIVER_NAME
- ": seek does not finish after %u ms\n", tune_timeout);
+ ": tune timed out after %u ms\n", tune_timeout);
+stop:
/* stop tuning */
radio->registers[CHANNEL] &= ~CHANNEL_TUNE;
- return si470x_set_register(radio, CHANNEL);
+ retval = si470x_set_register(radio, CHANNEL);
+
+done:
+ return retval;
}
/*
* si470x_get_freq - get the frequency
*/
-static unsigned int si470x_get_freq(struct si470x_device *radio)
+static int si470x_get_freq(struct si470x_device *radio, unsigned int *freq)
{
- unsigned int spacing, band_bottom, freq;
+ unsigned int spacing, band_bottom;
unsigned short chan;
int retval;
@@ -667,14 +688,12 @@ static unsigned int si470x_get_freq(struct si470x_device *radio)
/* read channel */
retval = si470x_get_register(radio, READCHAN);
- if (retval < 0)
- return retval;
chan = radio->registers[READCHAN] & READCHAN_READCHAN;
/* Frequency (MHz) = Spacing (kHz) x Channel + Bottom of Band (MHz) */
- freq = chan * spacing + band_bottom;
+ *freq = chan * spacing + band_bottom;
- return freq;
+ return retval;
}
@@ -714,6 +733,62 @@ static int si470x_set_freq(struct si470x_device *radio, unsigned int freq)
/*
+ * si470x_set_seek - set seek
+ */
+static int si470x_set_seek(struct si470x_device *radio,
+ unsigned int wrap_around, unsigned int seek_upward)
+{
+ int retval = 0;
+ unsigned long timeout;
+ bool timed_out = 0;
+
+ /* start seeking */
+ radio->registers[POWERCFG] |= POWERCFG_SEEK;
+ if (wrap_around == 1)
+ radio->registers[POWERCFG] &= ~POWERCFG_SKMODE;
+ else
+ radio->registers[POWERCFG] |= POWERCFG_SKMODE;
+ if (seek_upward == 1)
+ radio->registers[POWERCFG] |= POWERCFG_SEEKUP;
+ else
+ radio->registers[POWERCFG] &= ~POWERCFG_SEEKUP;
+ retval = si470x_set_register(radio, POWERCFG);
+ if (retval < 0)
+ goto done;
+
+ /* wait till seek operation has completed */
+ timeout = jiffies + msecs_to_jiffies(seek_timeout);
+ do {
+ retval = si470x_get_register(radio, STATUSRSSI);
+ if (retval < 0)
+ goto stop;
+ timed_out = time_after(jiffies, timeout);
+ } while (((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0) &&
+ (!timed_out));
+ if ((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0)
+ printk(KERN_WARNING DRIVER_NAME ": seek does not complete\n");
+ if (radio->registers[STATUSRSSI] & STATUSRSSI_SF)
+ printk(KERN_WARNING DRIVER_NAME
+ ": seek failed / band limit reached\n");
+ if (timed_out)
+ printk(KERN_WARNING DRIVER_NAME
+ ": seek timed out after %u ms\n", seek_timeout);
+
+stop:
+ /* stop seeking */
+ radio->registers[POWERCFG] &= ~POWERCFG_SEEK;
+ retval = si470x_set_register(radio, POWERCFG);
+
+done:
+ /* try again, if timed out */
+ if ((retval == 0) && timed_out)
+ retval = -EAGAIN;
+
+ return retval;
+}
+
+
+/*
* si470x_start - switch on radio
*/
static int si470x_start(struct si470x_device *radio)
@@ -725,27 +800,30 @@ static int si470x_start(struct si470x_device *radio)
POWERCFG_DMUTE | POWERCFG_ENABLE | POWERCFG_RDSM;
retval = si470x_set_register(radio, POWERCFG);
if (retval < 0)
- return retval;
+ goto done;
/* sysconfig 1 */
radio->registers[SYSCONFIG1] = SYSCONFIG1_DE;
retval = si470x_set_register(radio, SYSCONFIG1);
if (retval < 0)
- return retval;
+ goto done;
/* sysconfig 2 */
radio->registers[SYSCONFIG2] =
- (0x3f << 8) | /* SEEKTH */
- (band << 6) | /* BAND */
- (space << 4) | /* SPACE */
- 15; /* VOLUME (max) */
+ (0x3f << 8) | /* SEEKTH */
+ ((band << 6) & SYSCONFIG2_BAND) | /* BAND */
+ ((space << 4) & SYSCONFIG2_SPACE) | /* SPACE */
+ 15; /* VOLUME (max) */
retval = si470x_set_register(radio, SYSCONFIG2);
if (retval < 0)
- return retval;
+ goto done;
/* reset last channel */
- return si470x_set_chan(radio,
+ retval = si470x_set_chan(radio,
radio->registers[CHANNEL] & CHANNEL_CHAN);
+
+done:
+ return retval;
}
@@ -760,13 +838,16 @@ static int si470x_stop(struct si470x_device *radio)
radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_RDS;
retval = si470x_set_register(radio, SYSCONFIG1);
if (retval < 0)
- return retval;
+ goto done;
/* powercfg */
radio->registers[POWERCFG] &= ~POWERCFG_DMUTE;
/* POWERCFG_ENABLE has to automatically go low */
radio->registers[POWERCFG] |= POWERCFG_ENABLE | POWERCFG_DISABLE;
- return si470x_set_register(radio, POWERCFG);
+ retval = si470x_set_register(radio, POWERCFG);
+
+done:
+ return retval;
}
@@ -843,7 +924,7 @@ static void si470x_rds(struct si470x_device *radio)
};
/* Fill the V4L2 RDS buffer */
- put_unaligned(cpu_to_le16(rds), (unsigned short *) &tmpbuf);
+ put_unaligned_le16(rds, &tmpbuf);
tmpbuf[2] = blocknum; /* offset name */
tmpbuf[2] |= blocknum << 3; /* received offset */
if (bler > max_rds_errors)
@@ -883,8 +964,9 @@ static void si470x_work(struct work_struct *work)
struct si470x_device *radio = container_of(work, struct si470x_device,
work.work);
- if (radio->disconnected)
- return;
+ /* safety checks */
+ if (radio->disconnected)
+ return;
if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0)
return;
@@ -917,11 +999,15 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf,
/* block if no new data available */
while (radio->wr_index == radio->rd_index) {
- if (file->f_flags & O_NONBLOCK)
- return -EWOULDBLOCK;
+ if (file->f_flags & O_NONBLOCK) {
+ retval = -EWOULDBLOCK;
+ goto done;
+ }
if (wait_event_interruptible(radio->read_queue,
- radio->wr_index != radio->rd_index) < 0)
- return -EINTR;
+ radio->wr_index != radio->rd_index) < 0) {
+ retval = -EINTR;
+ goto done;
+ }
}
/* calculate block count from byte count */
@@ -950,6 +1036,7 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf,
}
mutex_unlock(&radio->lock);
+done:
return retval;
}
@@ -961,6 +1048,7 @@ static unsigned int si470x_fops_poll(struct file *file,
struct poll_table_struct *pts)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+ int retval = 0;
/* switch on rds reception */
if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) {
@@ -972,9 +1060,9 @@ static unsigned int si470x_fops_poll(struct file *file,
poll_wait(file, &radio->read_queue, pts);
if (radio->rd_index != radio->wr_index)
- return POLLIN | POLLRDNORM;
+ retval = POLLIN | POLLRDNORM;
- return 0;
+ return retval;
}
@@ -991,17 +1079,18 @@ static int si470x_fops_open(struct inode *inode, struct file *file)
retval = usb_autopm_get_interface(radio->intf);
if (retval < 0) {
radio->users--;
- return -EIO;
+ retval = -EIO;
+ goto done;
}
if (radio->users == 1) {
retval = si470x_start(radio);
if (retval < 0)
usb_autopm_put_interface(radio->intf);
- return retval;
}
- return 0;
+done:
+ return retval;
}
@@ -1011,20 +1100,23 @@ static int si470x_fops_open(struct inode *inode, struct file *file)
static int si470x_fops_release(struct inode *inode, struct file *file)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
- int retval = 0;
+ int retval = 0;
- if (!radio)
- return -ENODEV;
+ /* safety check */
+ if (!radio) {
+ retval = -ENODEV;
+ goto done;
+ }
- mutex_lock(&open_close_lock);
+ mutex_lock(&radio->disconnect_lock);
radio->users--;
if (radio->users == 0) {
- if (radio->disconnected) {
- video_unregister_device(radio->videodev);
- kfree(radio->buffer);
- kfree(radio);
- goto done;
- }
+ if (radio->disconnected) {
+ video_unregister_device(radio->videodev);
+ kfree(radio->buffer);
+ kfree(radio);
+ goto unlock;
+ }
/* stop rds reception */
cancel_delayed_work_sync(&radio->work);
@@ -1036,9 +1128,11 @@ static int si470x_fops_release(struct inode *inode, struct file *file)
usb_autopm_put_interface(radio->intf);
}
+unlock:
+ mutex_unlock(&radio->disconnect_lock);
+
done:
- mutex_unlock(&open_close_lock);
- return retval;
+ return retval;
}
@@ -1116,7 +1210,8 @@ static int si470x_vidioc_querycap(struct file *file, void *priv,
strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
sprintf(capability->bus_info, "USB");
capability->version = DRIVER_KERNEL_VERSION;
- capability->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ capability->capabilities = V4L2_CAP_HW_FREQ_SEEK |
+ V4L2_CAP_TUNER | V4L2_CAP_RADIO;
return 0;
}
@@ -1125,7 +1220,7 @@ static int si470x_vidioc_querycap(struct file *file, void *priv,
/*
* si470x_vidioc_g_input - get input
*/
-static int si470x_vidioc_g_input(struct file *filp, void *priv,
+static int si470x_vidioc_g_input(struct file *file, void *priv,
unsigned int *i)
{
*i = 0;
@@ -1137,12 +1232,18 @@ static int si470x_vidioc_g_input(struct file *filp, void *priv,
/*
* si470x_vidioc_s_input - set input
*/
-static int si470x_vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+static int si470x_vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
+ int retval = 0;
+
+ /* safety checks */
if (i != 0)
- return -EINVAL;
+ retval = -EINVAL;
- return 0;
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": set input failed with %d\n", retval);
+ return retval;
}
@@ -1155,17 +1256,22 @@ static int si470x_vidioc_queryctrl(struct file *file, void *priv,
unsigned char i;
int retval = -EINVAL;
+ /* safety checks */
+ if (!qc->id)
+ goto done;
+
for (i = 0; i < ARRAY_SIZE(si470x_v4l2_queryctrl); i++) {
- if (qc->id && qc->id == si470x_v4l2_queryctrl[i].id) {
+ if (qc->id == si470x_v4l2_queryctrl[i].id) {
memcpy(qc, &(si470x_v4l2_queryctrl[i]), sizeof(*qc));
retval = 0;
break;
}
}
+
+done:
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME
- ": query control failed with %d\n", retval);
-
+ ": query controls failed with %d\n", retval);
return retval;
}
@@ -1177,9 +1283,13 @@ static int si470x_vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+ int retval = 0;
- if (radio->disconnected)
- return -EIO;
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
@@ -1190,9 +1300,15 @@ static int si470x_vidioc_g_ctrl(struct file *file, void *priv,
ctrl->value = ((radio->registers[POWERCFG] &
POWERCFG_DMUTE) == 0) ? 1 : 0;
break;
+ default:
+ retval = -EINVAL;
}
- return 0;
+done:
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": get control failed with %d\n", retval);
+ return retval;
}
@@ -1203,10 +1319,13 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
- int retval;
+ int retval = 0;
- if (radio->disconnected)
- return -EIO;
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
@@ -1224,10 +1343,11 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv,
default:
retval = -EINVAL;
}
+
+done:
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME
": set control failed with %d\n", retval);
-
return retval;
}
@@ -1238,13 +1358,22 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv,
static int si470x_vidioc_g_audio(struct file *file, void *priv,
struct v4l2_audio *audio)
{
- if (audio->index > 1)
- return -EINVAL;
+ int retval = 0;
+
+ /* safety checks */
+ if (audio->index != 0) {
+ retval = -EINVAL;
+ goto done;
+ }
strcpy(audio->name, "Radio");
audio->capability = V4L2_AUDCAP_STEREO;
- return 0;
+done:
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": get audio failed with %d\n", retval);
+ return retval;
}
@@ -1254,10 +1383,19 @@ static int si470x_vidioc_g_audio(struct file *file, void *priv,
static int si470x_vidioc_s_audio(struct file *file, void *priv,
struct v4l2_audio *audio)
{
- if (audio->index != 0)
- return -EINVAL;
+ int retval = 0;
- return 0;
+ /* safety checks */
+ if (audio->index != 0) {
+ retval = -EINVAL;
+ goto done;
+ }
+
+done:
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": set audio failed with %d\n", retval);
+ return retval;
}
@@ -1268,20 +1406,23 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *tuner)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
- int retval;
+ int retval = 0;
- if (radio->disconnected)
- return -EIO;
- if (tuner->index > 0)
- return -EINVAL;
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
+ if ((tuner->index != 0) && (tuner->type != V4L2_TUNER_RADIO)) {
+ retval = -EINVAL;
+ goto done;
+ }
- /* read status rssi */
retval = si470x_get_register(radio, STATUSRSSI);
if (retval < 0)
- return retval;
+ goto done;
strcpy(tuner->name, "FM");
- tuner->type = V4L2_TUNER_RADIO;
switch (band) {
/* 0: 87.5 - 108 MHz (USA, Europe, default) */
default:
@@ -1313,9 +1454,14 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
* 0x0101;
/* automatic frequency control: -1: freq to low, 1 freq to high */
- tuner->afc = 0;
+ /* AFCRL does only indicate that freq. differs, not if too low/high */
+ tuner->afc = (radio->registers[STATUSRSSI] & STATUSRSSI_AFCRL) ? 1 : 0;
- return 0;
+done:
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": get tuner failed with %d\n", retval);
+ return retval;
}
@@ -1326,12 +1472,17 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *tuner)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
- int retval;
+ int retval = 0;
- if (radio->disconnected)
- return -EIO;
- if (tuner->index > 0)
- return -EINVAL;
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
+ if ((tuner->index != 0) && (tuner->type != V4L2_TUNER_RADIO)) {
+ retval = -EINVAL;
+ goto done;
+ }
if (tuner->audmode == V4L2_TUNER_MODE_MONO)
radio->registers[POWERCFG] |= POWERCFG_MONO; /* force mono */
@@ -1339,10 +1490,11 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv,
radio->registers[POWERCFG] &= ~POWERCFG_MONO; /* try stereo */
retval = si470x_set_register(radio, POWERCFG);
+
+done:
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME
": set tuner failed with %d\n", retval);
-
return retval;
}
@@ -1354,14 +1506,25 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *freq)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+ int retval = 0;
- if (radio->disconnected)
- return -EIO;
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
+ if ((freq->tuner != 0) && (freq->type != V4L2_TUNER_RADIO)) {
+ retval = -EINVAL;
+ goto done;
+ }
- freq->type = V4L2_TUNER_RADIO;
- freq->frequency = si470x_get_freq(radio);
+ retval = si470x_get_freq(radio, &freq->frequency);
- return 0;
+done:
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": get frequency failed with %d\n", retval);
+ return retval;
}
@@ -1372,30 +1535,58 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *freq)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
- int retval;
+ int retval = 0;
- if (radio->disconnected)
- return -EIO;
- if (freq->type != V4L2_TUNER_RADIO)
- return -EINVAL;
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
+ if ((freq->tuner != 0) && (freq->type != V4L2_TUNER_RADIO)) {
+ retval = -EINVAL;
+ goto done;
+ }
retval = si470x_set_freq(radio, freq->frequency);
+
+done:
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME
": set frequency failed with %d\n", retval);
-
- return 0;
+ return retval;
}
/*
- * si470x_viddev_tamples - video device interface
+ * si470x_vidioc_s_hw_freq_seek - set hardware frequency seek
*/
-static struct video_device si470x_viddev_template = {
- .fops = &si470x_fops,
- .name = DRIVER_NAME,
- .type = VID_TYPE_TUNER,
- .release = video_device_release,
+static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
+ struct v4l2_hw_freq_seek *seek)
+{
+ struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+ int retval = 0;
+
+ /* safety checks */
+ if (radio->disconnected) {
+ retval = -EIO;
+ goto done;
+ }
+ if ((seek->tuner != 0) && (seek->type != V4L2_TUNER_RADIO)) {
+ retval = -EINVAL;
+ goto done;
+ }
+
+ retval = si470x_set_seek(radio, seek->wrap_around, seek->seek_upward);
+
+done:
+ if (retval < 0)
+ printk(KERN_WARNING DRIVER_NAME
+ ": set hardware frequency seek failed with %d\n",
+ retval);
+ return retval;
+}
+
+static const struct v4l2_ioctl_ops si470x_ioctl_ops = {
.vidioc_querycap = si470x_vidioc_querycap,
.vidioc_g_input = si470x_vidioc_g_input,
.vidioc_s_input = si470x_vidioc_s_input,
@@ -1408,7 +1599,17 @@ static struct video_device si470x_viddev_template = {
.vidioc_s_tuner = si470x_vidioc_s_tuner,
.vidioc_g_frequency = si470x_vidioc_g_frequency,
.vidioc_s_frequency = si470x_vidioc_s_frequency,
- .owner = THIS_MODULE,
+ .vidioc_s_hw_freq_seek = si470x_vidioc_s_hw_freq_seek,
+};
+
+/*
+ * si470x_viddev_tamples - video device interface
+ */
+static struct video_device si470x_viddev_template = {
+ .fops = &si470x_fops,
+ .ioctl_ops = &si470x_ioctl_ops,
+ .name = DRIVER_NAME,
+ .release = video_device_release,
};
@@ -1424,31 +1625,36 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct si470x_device *radio;
- int retval = -ENOMEM;
+ int retval = 0;
- /* private data allocation */
+ /* private data allocation and initialization */
radio = kzalloc(sizeof(struct si470x_device), GFP_KERNEL);
- if (!radio)
+ if (!radio) {
+ retval = -ENOMEM;
goto err_initial;
+ }
+ radio->users = 0;
+ radio->disconnected = 0;
+ radio->usbdev = interface_to_usbdev(intf);
+ radio->intf = intf;
+ mutex_init(&radio->disconnect_lock);
+ mutex_init(&radio->lock);
- /* video device allocation */
+ /* video device allocation and initialization */
radio->videodev = video_device_alloc();
- if (!radio->videodev)
+ if (!radio->videodev) {
+ retval = -ENOMEM;
goto err_radio;
-
- /* initial configuration */
+ }
memcpy(radio->videodev, &si470x_viddev_template,
sizeof(si470x_viddev_template));
- radio->users = 0;
- radio->usbdev = interface_to_usbdev(intf);
- radio->intf = intf;
- mutex_init(&radio->lock);
video_set_drvdata(radio->videodev, radio);
/* show some infos about the specific device */
- retval = -EIO;
- if (si470x_get_all_registers(radio) < 0)
+ if (si470x_get_all_registers(radio) < 0) {
+ retval = -EIO;
goto err_all;
+ }
printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4hx ChipID=0x%4.4hx\n",
radio->registers[DEVICEID], radio->registers[CHIPID]);
@@ -1474,8 +1680,10 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
/* rds buffer allocation */
radio->buf_size = rds_buf * 3;
radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
- if (!radio->buffer)
+ if (!radio->buffer) {
+ retval = -EIO;
goto err_all;
+ }
/* rds buffer configuration */
radio->wr_index = 0;
@@ -1487,6 +1695,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
/* register video device */
if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) {
+ retval = -EIO;
printk(KERN_WARNING DRIVER_NAME
": Could not register video device\n");
goto err_all;
@@ -1546,16 +1755,16 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf)
{
struct si470x_device *radio = usb_get_intfdata(intf);
- mutex_lock(&open_close_lock);
- radio->disconnected = 1;
+ mutex_lock(&radio->disconnect_lock);
+ radio->disconnected = 1;
cancel_delayed_work_sync(&radio->work);
usb_set_intfdata(intf, NULL);
- if (radio->users == 0) {
- video_unregister_device(radio->videodev);
- kfree(radio->buffer);
- kfree(radio);
- }
- mutex_unlock(&open_close_lock);
+ if (radio->users == 0) {
+ video_unregister_device(radio->videodev);
+ kfree(radio->buffer);
+ kfree(radio);
+ }
+ mutex_unlock(&radio->disconnect_lock);
}
diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c
index acc32080e9bd..cefa44fc5aed 100644
--- a/drivers/media/radio/radio-terratec.c
+++ b/drivers/media/radio/radio-terratec.c
@@ -32,6 +32,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/spinlock.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
@@ -366,12 +367,7 @@ static const struct file_operations terratec_fops = {
.llseek = no_llseek,
};
-static struct video_device terratec_radio=
-{
- .owner = THIS_MODULE,
- .name = "TerraTec ActiveRadio",
- .type = VID_TYPE_TUNER,
- .fops = &terratec_fops,
+static const struct v4l2_ioctl_ops terratec_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -386,6 +382,12 @@ static struct video_device terratec_radio=
.vidioc_s_input = vidioc_s_input,
};
+static struct video_device terratec_radio = {
+ .name = "TerraTec ActiveRadio",
+ .fops = &terratec_fops,
+ .ioctl_ops = &terratec_ioctl_ops,
+};
+
static int __init terratec_init(void)
{
if(io==-1)
diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c
index 4ebdfbadeb9c..d70172d23edb 100644
--- a/drivers/media/radio/radio-trust.c
+++ b/drivers/media/radio/radio-trust.c
@@ -23,6 +23,7 @@
#include <asm/uaccess.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,0,2)
@@ -346,12 +347,7 @@ static const struct file_operations trust_fops = {
.llseek = no_llseek,
};
-static struct video_device trust_radio=
-{
- .owner = THIS_MODULE,
- .name = "Trust FM Radio",
- .type = VID_TYPE_TUNER,
- .fops = &trust_fops,
+static const struct v4l2_ioctl_ops trust_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -366,6 +362,12 @@ static struct video_device trust_radio=
.vidioc_s_input = vidioc_s_input,
};
+static struct video_device trust_radio = {
+ .name = "Trust FM Radio",
+ .fops = &trust_fops,
+ .ioctl_ops = &trust_ioctl_ops,
+};
+
static int __init trust_init(void)
{
if(io == -1) {
diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c
index 18f2abd7e255..f8d62cfea774 100644
--- a/drivers/media/radio/radio-typhoon.c
+++ b/drivers/media/radio/radio-typhoon.c
@@ -40,6 +40,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,1,1)
@@ -344,12 +345,7 @@ static const struct file_operations typhoon_fops = {
.llseek = no_llseek,
};
-static struct video_device typhoon_radio =
-{
- .owner = THIS_MODULE,
- .name = "Typhoon Radio",
- .type = VID_TYPE_TUNER,
- .fops = &typhoon_fops,
+static const struct v4l2_ioctl_ops typhoon_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -364,6 +360,12 @@ static struct video_device typhoon_radio =
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device typhoon_radio = {
+ .name = "Typhoon Radio",
+ .fops = &typhoon_fops,
+ .ioctl_ops = &typhoon_ioctl_ops,
+};
+
#ifdef CONFIG_RADIO_TYPHOON_PROC_FS
static int typhoon_proc_show(struct seq_file *m, void *v)
diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c
index 43773c56c62f..9f17a332fa11 100644
--- a/drivers/media/radio/radio-zoltrix.c
+++ b/drivers/media/radio/radio-zoltrix.c
@@ -37,6 +37,7 @@
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,0,2)
@@ -407,12 +408,7 @@ static const struct file_operations zoltrix_fops =
.llseek = no_llseek,
};
-static struct video_device zoltrix_radio =
-{
- .owner = THIS_MODULE,
- .name = "Zoltrix Radio Plus",
- .type = VID_TYPE_TUNER,
- .fops = &zoltrix_fops,
+static const struct v4l2_ioctl_ops zoltrix_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
@@ -427,6 +423,12 @@ static struct video_device zoltrix_radio =
.vidioc_s_ctrl = vidioc_s_ctrl,
};
+static struct video_device zoltrix_radio = {
+ .name = "Zoltrix Radio Plus",
+ .fops = &zoltrix_fops,
+ .ioctl_ops = &zoltrix_ioctl_ops,
+};
+
static int __init zoltrix_init(void)
{
if (io == -1) {