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[media] v4l2: make vidioc_s_jpegcomp const

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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>
This commit is contained in:
Hans Verkuil
2012-09-17 05:05:25 -03:00
committed by Mauro Carvalho Chehab
parent e6eb28c220
commit d88aab53bd
11 changed files with 18 additions and 22 deletions
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4
drivers/media/pci/zoran/zoran_driver.c
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@@ -2674,7 +2674,7 @@ static int zoran_g_jpegcomp(struct file *file, void *__fh,
}
static int zoran_s_jpegcomp(struct file *file, void *__fh,
struct v4l2_jpegcompression *params)
const struct v4l2_jpegcompression *params)
{
struct zoran_fh *fh = __fh;
struct zoran *zr = fh->zr;
@@ -2701,7 +2701,7 @@ static int zoran_s_jpegcomp(struct file *file, void *__fh,
if (!fh->buffers.allocated)
fh->buffers.buffer_size =
zoran_v4l2_calc_bufsize(&fh->jpg_settings);
fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
fh->jpg_settings.jpg_comp = settings.jpg_comp;
sjpegc_unlock_and_return:
mutex_unlock(&zr->resource_lock);