From 3b2aa383b3bc4e16ee15a145f8d9575a73779337 Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Thu, 16 Jun 2016 18:40:32 -0300 Subject: [PATCH] [media] s5p-jpeg: set capablity bus_info as required by VIDIOC_QUERYCAP The driver doesn't set the struct v4l2_capability cap_info field so the v4l2-compliance tool reports the following errors for VIDIOC_QUERYCAP: Required ioctls: VIDIOC_QUERYCAP returned 0 (Success) fail: v4l2-compliance.cpp(304): string empty fail: v4l2-compliance.cpp(528): check_ustring(vcap.bus_info, sizeof(vcap.bus_info)) test VIDIOC_QUERYCAP: FAIL This patch fixes by setting the field in VIDIOC_QUERYCAP ioctl handler: Required ioctls: VIDIOC_QUERYCAP returned 0 (Success) test VIDIOC_QUERYCAP: OK Signed-off-by: Javier Martinez Canillas Acked-by: Jacek Anaszewski Acked-by: Hans Verkuil Reviewed-by: Shuah Khan Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/s5p-jpeg/jpeg-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 785e6936c881..4e0b3c8f08d5 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -1256,7 +1256,8 @@ static int s5p_jpeg_querycap(struct file *file, void *priv, strlcpy(cap->card, S5P_JPEG_M2M_NAME " decoder", sizeof(cap->card)); } - cap->bus_info[0] = 0; + snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", + dev_name(ctx->jpeg->dev)); cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M; cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; -- 2.30.2