diff options
Diffstat (limited to 'drivers/media/platform/davinci/vpif_display.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index f51b5bed23bf..f581e7a1c279 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -715,14 +715,26 @@ static int vpif_try_fmt_vid_out(struct file *file, void *priv, static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) { + struct vpif_display_config *config = vpif_dev->platform_data; struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - int ret = 0; + struct vpif_display_chan_config *chan_cfg; + struct v4l2_output output; + int ret; + + if (config->chan_config[ch->channel_id].outputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + if (output.capabilities != V4L2_OUT_CAP_STD) + return -ENODATA; if (vb2_is_busy(&common->buffer_queue)) return -EBUSY; + if (!(std_id & VPIF_V4L2_STD)) return -EINVAL; @@ -754,8 +766,19 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) { + struct vpif_display_config *config = vpif_dev->platform_data; struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); + struct vpif_display_chan_config *chan_cfg; + struct v4l2_output output; + + if (config->chan_config[ch->channel_id].outputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + if (output.capabilities != V4L2_OUT_CAP_STD) + return -ENODATA; *std = ch->video.stdid; return 0; |