diff options
| author | Luca Risolia <luca.risolia@studio.unibo.it> | 2006-01-13 18:19:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-02-01 02:23:38 +0100 |
| commit | cd6fcc555fe278263880abdb93352ab205099db9 (patch) | |
| tree | de09c1d3183ed41c1eef653d90a29a03370b2128 /Documentation/usb/sn9c102.txt | |
| parent | [PATCH] USB: cp2101 Add new device IDs (diff) | |
| download | linux-cd6fcc555fe278263880abdb93352ab205099db9.tar.xz linux-cd6fcc555fe278263880abdb93352ab205099db9.zip | |
[PATCH] USB: SN9C10x driver updates
SN9C10x driver updates:
- Use kzalloc() instead of kmalloc()
- Move some macro definitions from sn9c102.h to sn9c102_core.c
- Use vfree() and vmalloc_32() instead of rvfree() and rvmalloc()
- Fix mmap() sys call
- Documentation updates
Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/usb/sn9c102.txt')
| -rw-r--r-- | Documentation/usb/sn9c102.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/usb/sn9c102.txt b/Documentation/usb/sn9c102.txt index 541b17fd27f6..c6b76414172c 100644 --- a/Documentation/usb/sn9c102.txt +++ b/Documentation/usb/sn9c102.txt @@ -111,6 +111,12 @@ corresponding modules must be compiled: # CONFIG_VIDEO_DEV=m +To enable advanced debugging functionality on the device through /sysfs: + + # Multimedia devices + # + CONFIG_VIDEO_ADV_DEBUG=y + # USB support # CONFIG_USB=m @@ -208,7 +214,8 @@ Default: 2 8. Optional device control through "sysfs" [1] ========================================== -It is possible to read and write both the SN9C10x and the image sensor +If the kernel has been compiled with the CONFIG_VIDEO_ADV_DEBUG option enabled, +it is possible to read and write both the SN9C10x and the image sensor registers by using the "sysfs" filesystem interface. Every time a supported device is recognized, a write-only file named "green" is |