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[media] sta2x11_vip: fix s_std 

The s_std ioctl was broken in this driver, partially due to the
changes to the adv7180 driver (this affected the handling of
V4L2_STD_ALL) and partially because the new standard was never
stored in vip->std.

The handling of V4L2_STD_ALL has been rewritten to just call querystd
and the new standard is now stored correctly.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2016-04-22 10:03:38 -03:00 committed by Mauro Carvalho Chehab
parent 937feeed3f
commit 7b9f31f3b3
1 changed files with 10 additions and 16 deletions
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26
drivers/media/pci/sta2x11/sta2x11_vip.c
View File

@ -444,27 +444,21 @@ static int vidioc_querycap(struct file *file, void *priv,
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id std)
{
struct sta2x11_vip *vip = video_drvdata(file);
v4l2_std_id oldstd = vip->std, newstd;
v4l2_std_id oldstd = vip->std;
int status;
if (V4L2_STD_ALL == std) {
v4l2_subdev_call(vip->decoder, video, s_std, std);
ssleep(2);
v4l2_subdev_call(vip->decoder, video, querystd, &newstd);
v4l2_subdev_call(vip->decoder, video, g_input_status, &status);
if (status & V4L2_IN_ST_NO_SIGNAL)
/*
* This is here for backwards compatibility only.
* The use of V4L2_STD_ALL to trigger a querystd is non-standard.
*/
if (std == V4L2_STD_ALL) {
v4l2_subdev_call(vip->decoder, video, querystd, &std);
if (std == V4L2_STD_UNKNOWN)
return -EIO;
std = vip->std = newstd;
if (oldstd != std) {
if (V4L2_STD_525_60 & std)
vip->format = formats_60[0];
else
vip->format = formats_50[0];
}
return 0;
}
if (oldstd != std) {
if (vip->std != std) {
vip->std = std;
if (V4L2_STD_525_60 & std)
vip->format = formats_60[0];
else