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author | Hans de Goede <hdegoede@redhat.com> | 2012-01-10 17:14:46 +0100 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-16 14:08:57 +0100 |
commit | 938d5b9e7c2e20a7e609ad5874c6e7d8d391e6e9 (patch) | |
tree | ccd8b97d63894834c3ee7778ce10491ca27edffc /drivers/media/video/pwc/pwc.h | |
parent | [media] pwc: Fix pixfmt handling (diff) | |
download | linux-938d5b9e7c2e20a7e609ad5874c6e7d8d391e6e9.tar.xz linux-938d5b9e7c2e20a7e609ad5874c6e7d8d391e6e9.zip |
[media] pwc: Avoid sending mode info to the camera when it is not needed
Since we always do a set_video_mode on stream start, there is no need
to actually send the mode info to the device on a s_fmt / s_parm ioctl.
Not doing this saves us doing (slow) usb io.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to '')
-rw-r--r-- | drivers/media/video/pwc/pwc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h index 29b6d3dca83b..f441999e5bd1 100644 --- a/drivers/media/video/pwc/pwc.h +++ b/drivers/media/video/pwc/pwc.h @@ -369,7 +369,7 @@ void pwc_construct(struct pwc_device *pdev); /** Functions in pwc-ctrl.c */ /* Request a certain video mode. Returns < 0 if not possible */ extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, - int pixfmt, int frames, int *compression); + int pixfmt, int frames, int *compression, int send_to_cam); extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size); extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value); extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor); |