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authorJames Morris <jmorris@namei.org>2009-02-06 01:01:45 +0100
committerJames Morris <jmorris@namei.org>2009-02-06 01:01:45 +0100
commitcb5629b10d64a8006622ce3a52bc887d91057d69 (patch)
tree7c06d8f30783115e3384721046258ce615b129c5 /Documentation/video4linux
parentTPM: integrity fix (diff)
parentseq_file: fix big-enough lseek() + read() (diff)
downloadlinux-cb5629b10d64a8006622ce3a52bc887d91057d69.tar.xz
linux-cb5629b10d64a8006622ce3a52bc887d91057d69.zip
Merge branch 'master' into next
Conflicts: fs/namei.c Manually merged per: diff --cc fs/namei.c index 734f2b5,bbc15c2..0000000 --- a/fs/namei.c +++ b/fs/namei.c @@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char nd->flags |= LOOKUP_CONTINUE; err = exec_permission_lite(inode); if (err == -EAGAIN) - err = vfs_permission(nd, MAY_EXEC); + err = inode_permission(nd->path.dentry->d_inode, + MAY_EXEC); + if (!err) + err = ima_path_check(&nd->path, MAY_EXEC); if (err) break; @@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc flag &= ~O_TRUNC; } - error = vfs_permission(nd, acc_mode); + error = inode_permission(inode, acc_mode); if (error) return error; + - error = ima_path_check(&nd->path, ++ error = ima_path_check(path, + acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC)); + if (error) + return error; /* * An append-only file must be opened in append mode for writing. */ Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'Documentation/video4linux')
-rw-r--r--Documentation/video4linux/CARDLIST.saa71341
-rw-r--r--Documentation/video4linux/si470x.txt1
-rw-r--r--Documentation/video4linux/v4l2-framework.txt19
-rw-r--r--Documentation/video4linux/v4lgrab.c25
4 files changed, 29 insertions, 17 deletions
diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134
index 335aef4dcaeb..b8d470596b0c 100644
--- a/Documentation/video4linux/CARDLIST.saa7134
+++ b/Documentation/video4linux/CARDLIST.saa7134
@@ -152,3 +152,4 @@
151 -> ADS Tech Instant HDTV [1421:0380]
152 -> Asus Tiger Rev:1.00 [1043:4857]
153 -> Kworld Plus TV Analog Lite PCI [17de:7128]
+154 -> Avermedia AVerTV GO 007 FM Plus [1461:f31d]
diff --git a/Documentation/video4linux/si470x.txt b/Documentation/video4linux/si470x.txt
index 11c5fd22a332..49679e6aaa76 100644
--- a/Documentation/video4linux/si470x.txt
+++ b/Documentation/video4linux/si470x.txt
@@ -41,6 +41,7 @@ chips are known to work:
- 10c4:818a: Silicon Labs USB FM Radio Reference Design
- 06e1:a155: ADS/Tech FM Radio Receiver (formerly Instant FM Music) (RDX-155-EF)
- 1b80:d700: KWorld USB FM Radio SnapMusic Mobile 700 (FM700)
+- 10c5:819a: DealExtreme USB Radio
Software
diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
index eeae76c22a93..ff124374e9ba 100644
--- a/Documentation/video4linux/v4l2-framework.txt
+++ b/Documentation/video4linux/v4l2-framework.txt
@@ -184,7 +184,7 @@ may be NULL if the subdev driver does not support anything from that category.
It looks like this:
struct v4l2_subdev_core_ops {
- int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip);
+ int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
int (*log_status)(struct v4l2_subdev *sd);
int (*init)(struct v4l2_subdev *sd, u32 val);
...
@@ -390,16 +390,18 @@ allocated memory.
You should also set these fields:
-- parent: set to the parent device (same device as was used to register
- v4l2_device).
+- v4l2_dev: set to the v4l2_device parent device.
- name: set to something descriptive and unique.
-- fops: set to the file_operations struct.
+- fops: set to the v4l2_file_operations struct.
- ioctl_ops: if you use the v4l2_ioctl_ops to simplify ioctl maintenance
(highly recommended to use this and it might become compulsory in the
future!), then set this to your v4l2_ioctl_ops struct.
-If you use v4l2_ioctl_ops, then you should set .unlocked_ioctl to
-__video_ioctl2 or .ioctl to video_ioctl2 in your file_operations struct.
+If you use v4l2_ioctl_ops, then you should set either .unlocked_ioctl or
+.ioctl to video_ioctl2 in your v4l2_file_operations struct.
+
+The v4l2_file_operations struct is a subset of file_operations. The main
+difference is that the inode argument is omitted since it is never used.
video_device registration
@@ -410,7 +412,7 @@ for you.
err = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
if (err) {
- video_device_release(vdev); // or kfree(my_vdev);
+ video_device_release(vdev); /* or kfree(my_vdev); */
return err;
}
@@ -516,5 +518,4 @@ void *video_drvdata(struct file *file);
You can go from a video_device struct to the v4l2_device struct using:
-struct v4l2_device *v4l2_dev = dev_get_drvdata(vdev->parent);
-
+struct v4l2_device *v4l2_dev = vdev->v4l2_dev;
diff --git a/Documentation/video4linux/v4lgrab.c b/Documentation/video4linux/v4lgrab.c
index 079b628481cf..d6e70bef8ad0 100644
--- a/Documentation/video4linux/v4lgrab.c
+++ b/Documentation/video4linux/v4lgrab.c
@@ -4,12 +4,21 @@
*
* Compile with:
* gcc -s -Wall -Wstrict-prototypes v4lgrab.c -o v4lgrab
- * Use as:
- * v4lgrab >image.ppm
+ * Use as:
+ * v4lgrab >image.ppm
*
* Copyright (C) 1998-05-03, Phil Blundell <philb@gnu.org>
- * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c
- * with minor modifications (Dave Forrest, drf5n@virginia.edu).
+ * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c
+ * with minor modifications (Dave Forrest, drf5n@virginia.edu).
+ *
+ *
+ * For some cameras you may need to pre-load libv4l to perform
+ * the necessary decompression, e.g.:
+ *
+ * export LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so
+ * ./v4lgrab >image.ppm
+ *
+ * see http://hansdegoede.livejournal.com/3636.html for details.
*
*/
@@ -24,7 +33,7 @@
#include <linux/types.h>
#include <linux/videodev.h>
-#define FILE "/dev/video0"
+#define VIDEO_DEV "/dev/video0"
/* Stole this from tvset.c */
@@ -90,7 +99,7 @@ int get_brightness_adj(unsigned char *image, long size, int *brightness) {
int main(int argc, char ** argv)
{
- int fd = open(FILE, O_RDONLY), f;
+ int fd = open(VIDEO_DEV, O_RDONLY), f;
struct video_capability cap;
struct video_window win;
struct video_picture vpic;
@@ -100,13 +109,13 @@ int main(int argc, char ** argv)
unsigned int i, src_depth;
if (fd < 0) {
- perror(FILE);
+ perror(VIDEO_DEV);
exit(1);
}
if (ioctl(fd, VIDIOCGCAP, &cap) < 0) {
perror("VIDIOGCAP");
- fprintf(stderr, "(" FILE " not a video4linux device?)\n");
+ fprintf(stderr, "(" VIDEO_DEV " not a video4linux device?)\n");
close(fd);
exit(1);
}