diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-09-17 05:05:25 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-26 10:43:04 -0300 |
commit | d88aab53bd267c9fb0b0451e9acae68091703eab (patch) | |
tree | 5da9b54e8fe4173a0a25b87bc350884d277f9bac /drivers/media/usb/gspca/zc3xx.c | |
parent | e6eb28c2207b9397d0ab56e238865a4ee95b7ef9 (diff) | |
download | talos-obmc-linux-d88aab53bd267c9fb0b0451e9acae68091703eab.tar.gz talos-obmc-linux-d88aab53bd267c9fb0b0451e9acae68091703eab.zip |
[media] v4l2: make vidioc_s_jpegcomp const
Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_jpegcomp.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/gspca/zc3xx.c')
-rw-r--r-- | drivers/media/usb/gspca/zc3xx.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/media/usb/gspca/zc3xx.c b/drivers/media/usb/gspca/zc3xx.c index c47ba14c7619..77c57755e7b4 100644 --- a/drivers/media/usb/gspca/zc3xx.c +++ b/drivers/media/usb/gspca/zc3xx.c @@ -6883,16 +6883,11 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, } static int sd_set_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) + const struct v4l2_jpegcompression *jcomp) { struct sd *sd = (struct sd *) gspca_dev; - int ret; - ret = v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality); - if (ret) - return ret; - jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual); - return 0; + return v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality); } static int sd_get_jcomp(struct gspca_dev *gspca_dev, |