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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2006-08-26 03:17:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-09-26 12:30:34 -0300 |
| commit | 784e8fe417d45b526eeb74794b7df43e11000f70 (patch) | |
| tree | d66c48b05d417eb9527a48601b1a86720feb60fb | |
| parent | 1739adea321788e380794c1072c810d445090bca (diff) | |
| download | lwn-784e8fe417d45b526eeb74794b7df43e11000f70.tar.gz lwn-784e8fe417d45b526eeb74794b7df43e11000f70.zip | |
V4L/DVB (4546): Add u32 argument to VIDIOC_INT_RESET.
The extra argument makes it possible to reset subsystems of a chip if
that is supported.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 1 | ||||
| -rw-r--r-- | include/media/v4l2-common.h | 5 |
4 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 2a461dde480c..20df657b70c8 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -174,7 +174,7 @@ static void em28xx_config_i2c(struct em28xx *dev) route.input = INPUT(dev->ctl_input)->vmux; route.output = 0; - em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, NULL); + em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, 0); em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL); diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c index c80c26be6e4d..df8feac16aee 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c +++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c @@ -221,7 +221,7 @@ static unsigned int decoder_describe(struct pvr2_v4l_cx2584x *ctxt, static void decoder_reset(struct pvr2_v4l_cx2584x *ctxt) { int ret; - ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,NULL); + ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,0); pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx25840 decoder_reset (ret=%d)",ret); } diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 8d972ffdaf98..78d28b03ec93 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -938,6 +938,7 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg) case VIDIOC_INT_AUDIO_CLOCK_FREQ: case VIDIOC_INT_I2S_CLOCK_FREQ: case VIDIOC_INT_S_STANDBY: + case VIDIOC_INT_RESET: { u32 *p=arg; diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 5564db13c0d5..8721ac4a45a7 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -169,8 +169,9 @@ enum v4l2_chip_ident { #define VIDIOC_INT_S_REGISTER _IOR ('d', 100, struct v4l2_register) #define VIDIOC_INT_G_REGISTER _IOWR('d', 101, struct v4l2_register) -/* Reset the I2C chip */ -#define VIDIOC_INT_RESET _IO ('d', 102) +/* Generic reset command. The argument selects which subsystems to reset. + Passing 0 will always reset the whole chip. */ +#define VIDIOC_INT_RESET _IOW ('d', 102, u32) /* Set the frequency (in Hz) of the audio clock output. Used to slave an audio processor to the video decoder, ensuring that audio |