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path: root/drivers/media/usb/siano/smsusb.c
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Diffstat (limited to 'drivers/media/usb/siano/smsusb.c')
-rw-r--r--drivers/media/usb/siano/smsusb.c43
1 files changed, 31 insertions, 12 deletions
diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c
index 03761c6f472f..05bd91a60c09 100644
--- a/drivers/media/usb/siano/smsusb.c
+++ b/drivers/media/usb/siano/smsusb.c
@@ -209,8 +209,10 @@ static int smsusb_sendrequest(void *context, void *buffer, size_t size)
struct sms_msg_hdr *phdr = (struct sms_msg_hdr *) buffer;
int dummy;
- if (dev->state != SMSUSB_ACTIVE)
+ if (dev->state != SMSUSB_ACTIVE) {
+ sms_debug("Device not active yet");
return -ENOENT;
+ }
sms_debug("sending %s(%d) size: %d",
smscore_translate_msg(phdr->msg_type), phdr->msg_type,
@@ -243,6 +245,9 @@ static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id)
int rc, dummy;
char *fw_filename;
+ if (id < 0)
+ id = sms_get_board(board_id)->default_mode;
+
if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
sms_err("invalid firmware id specified %d", id);
return -EINVAL;
@@ -445,14 +450,15 @@ static int smsusb_probe(struct usb_interface *intf,
char devpath[32];
int i, rc;
- sms_info("interface number %d",
+ sms_info("board id=%lu, interface number %d",
+ id->driver_info,
intf->cur_altsetting->desc.bInterfaceNumber);
if (sms_get_board(id->driver_info)->intf_num !=
intf->cur_altsetting->desc.bInterfaceNumber) {
- sms_err("interface number is %d expecting %d",
- sms_get_board(id->driver_info)->intf_num,
- intf->cur_altsetting->desc.bInterfaceNumber);
+ sms_debug("interface %d won't be used. Expecting interface %d to popup",
+ intf->cur_altsetting->desc.bInterfaceNumber,
+ sms_get_board(id->driver_info)->intf_num);
return -ENODEV;
}
@@ -483,22 +489,32 @@ static int smsusb_probe(struct usb_interface *intf,
}
if ((udev->actconfig->desc.bNumInterfaces == 2) &&
(intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
- sms_err("rom interface 0 is not used");
+ sms_debug("rom interface 0 is not used");
return -ENODEV;
}
if (id->driver_info == SMS1XXX_BOARD_SIANO_STELLAR_ROM) {
- sms_info("stellar device was found.");
+ /* Detected a Siano Stellar uninitialized */
+
snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
udev->bus->busnum, udev->devpath);
- sms_info("stellar device was found.");
- return smsusb1_load_firmware(
+ sms_info("stellar device in cold state was found at %s.", devpath);
+ rc = smsusb1_load_firmware(
udev, smscore_registry_getmode(devpath),
id->driver_info);
+
+ /* This device will reset and gain another USB ID */
+ if (!rc)
+ sms_info("stellar device now in warm state");
+ else
+ sms_err("Failed to put stellar in warm state. Error: %d", rc);
+
+ return rc;
+ } else {
+ rc = smsusb_init_device(intf, id->driver_info);
}
- rc = smsusb_init_device(intf, id->driver_info);
- sms_info("rc %d", rc);
+ sms_info("Device initialized with return code %d", rc);
sms_board_load_modules(id->driver_info);
return rc;
}
@@ -550,10 +566,13 @@ static int smsusb_resume(struct usb_interface *intf)
}
static const struct usb_device_id smsusb_id_table[] = {
+ /* This device is only present before firmware load */
{ USB_DEVICE(0x187f, 0x0010),
- .driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
+ .driver_info = SMS1XXX_BOARD_SIANO_STELLAR_ROM },
+ /* This device pops up after firmware load */
{ USB_DEVICE(0x187f, 0x0100),
.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
+
{ USB_DEVICE(0x187f, 0x0200),
.driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
{ USB_DEVICE(0x187f, 0x0201),