On 06/16/2016 11:40 PM, Javier Martinez Canillas wrote:
> The driver doesn't set the device in the struct v4l2_capability bus_info
> field so v4l2-compliance reports the following error for VIDIOC_QUERYCAP:
>
> Required ioctls:
> fail: v4l2-compliance.cpp(537): missing bus_info prefix
> ('platform')
> test VIDIOC_QUERYCAP: FAIL
>
> This patch fixes this by filling also the device besides the bus.
>
> Signed-off-by: Javier Martinez Canillas <jav...@osg.samsung.com>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
Thanks!
Hans
> ---
>
> drivers/media/platform/exynos-gsc/gsc-m2m.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c
> b/drivers/media/platform/exynos-gsc/gsc-m2m.c
> index a600e32e2543..af81383086b8 100644
> --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
> +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
> @@ -281,7 +281,8 @@ static int gsc_m2m_querycap(struct file *file, void *fh,
>
> strlcpy(cap->driver, gsc->pdev->name, sizeof(cap->driver));
> strlcpy(cap->card, gsc->pdev->name, sizeof(cap->card));
> - strlcpy(cap->bus_info, "platform", sizeof(cap->bus_info));
> + snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
> + dev_name(&gsc->pdev->dev));
> cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE |
> V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE;
>
>
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