Em 13-12-2010 16:19, Anatolij Gustschin escreveu:
> VIDIOC_QUERYSTD and VIDIOC_G_STD ioctls are currently not
> supported in the FSL VIU driver. The decoder subdevice
> driver saa7115 extended by previous patch supports QUERYSTD
> for saa7113, so we add the appropriate ioctls to the VIU
> driver to be able to determine the video input's standard.
This patch looks ok, but as it is somewhat dependent on the
saa7113 patch, please re-send it together with the other patch
for me to pull both together.
>
> Signed-off-by: Anatolij Gustschin <ag...@denx.de>
>
> ---
> drivers/media/video/fsl-viu.c | 21 +++++++++++++++++++++
> 1 files changed, 21 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/video/fsl-viu.c b/drivers/media/video/fsl-viu.c
> index b8faff2..04be6eb 100644
> --- a/drivers/media/video/fsl-viu.c
> +++ b/drivers/media/video/fsl-viu.c
> @@ -194,6 +194,8 @@ struct viu_dev {
>
> /* decoder */
> struct v4l2_subdev *decoder;
> +
> + v4l2_std_id std;
> };
>
> struct viu_fh {
> @@ -933,14 +935,31 @@ static int vidioc_streamoff(struct file *file, void
> *priv, enum v4l2_buf_type i)
> #define decoder_call(viu, o, f, args...) \
> v4l2_subdev_call(viu->decoder, o, f, ##args)
>
> +static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id
> *std_id)
> +{
> + struct viu_fh *fh = priv;
> +
> + decoder_call(fh->dev, video, querystd, std_id);
> + return 0;
> +}
> +
> static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
> {
> struct viu_fh *fh = priv;
>
> + fh->dev->std = *id;
> decoder_call(fh->dev, core, s_std, *id);
> return 0;
> }
>
> +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std_id)
> +{
> + struct viu_fh *fh = priv;
> +
> + *std_id = fh->dev->std;
> + return 0;
> +}
> +
> /* only one input in this driver */
> static int vidioc_enum_input(struct file *file, void *priv,
> struct v4l2_input *inp)
> @@ -1397,7 +1416,9 @@ static const struct v4l2_ioctl_ops viu_ioctl_ops = {
> .vidioc_querybuf = vidioc_querybuf,
> .vidioc_qbuf = vidioc_qbuf,
> .vidioc_dqbuf = vidioc_dqbuf,
> + .vidioc_g_std = vidioc_g_std,
> .vidioc_s_std = vidioc_s_std,
> + .vidioc_querystd = vidioc_querystd,
> .vidioc_enum_input = vidioc_enum_input,
> .vidioc_g_input = vidioc_g_input,
> .vidioc_s_input = vidioc_s_input,
>
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