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Subject: [media] media: davinci: vpif_capture: return -ENODATA for *dv_timings calls Author: Lad, Prabhakar <[email protected]> Date: Fri May 16 10:33:51 2014 -0300 this patch adds suppport to return -ENODATA for *dv_timings calls if the current output does not support it. Signed-off-by: Lad, Prabhakar <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/davinci/vpif_capture.c | 50 +++++++++++++++++++++++++ 1 files changed, 50 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=1e8852af358d2c7f01b8ca5b7af40716f0017e69 diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index ce53203..54343a3 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1134,13 +1134,25 @@ static int vpif_enum_dv_timings(struct file *file, void *priv, struct v4l2_enum_dv_timings *timings) { + struct vpif_capture_config *config = vpif_dev->platform_data; struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); + struct vpif_capture_chan_config *chan_cfg; + struct v4l2_input input; int ret; + if (config->chan_config[ch->channel_id].inputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + input = chan_cfg->inputs[ch->input_idx].input; + if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) + return -ENODATA; + ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); if (ret == -ENOIOCTLCMD || ret == -ENODEV) return -EINVAL; + return ret; } @@ -1154,13 +1166,25 @@ static int vpif_query_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { + struct vpif_capture_config *config = vpif_dev->platform_data; struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); + struct vpif_capture_chan_config *chan_cfg; + struct v4l2_input input; int ret; + if (config->chan_config[ch->channel_id].inputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + input = chan_cfg->inputs[ch->input_idx].input; + if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) + return -ENODATA; + ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings); if (ret == -ENOIOCTLCMD || ret == -ENODEV) return -ENODATA; + return ret; } @@ -1173,19 +1197,34 @@ vpif_query_dv_timings(struct file *file, void *priv, static int vpif_s_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { + struct vpif_capture_config *config = vpif_dev->platform_data; struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); struct vpif_params *vpifparams = &ch->vpifparams; struct vpif_channel_config_params *std_info = &vpifparams->std_info; + struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct video_obj *vid_ch = &ch->video; struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; + struct vpif_capture_chan_config *chan_cfg; + struct v4l2_input input; int ret; + if (config->chan_config[ch->channel_id].inputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + input = chan_cfg->inputs[ch->input_idx].input; + if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) + return -ENODATA; + if (timings->type != V4L2_DV_BT_656_1120) { vpif_dbg(2, debug, "Timing type not defined\n"); return -EINVAL; } + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; + /* Configure subdevice timings, if any */ ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); if (ret == -ENOIOCTLCMD || ret == -ENODEV) @@ -1261,9 +1300,20 @@ static int vpif_s_dv_timings(struct file *file, void *priv, static int vpif_g_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { + struct vpif_capture_config *config = vpif_dev->platform_data; struct video_device *vdev = video_devdata(file); struct channel_obj *ch = video_get_drvdata(vdev); struct video_obj *vid_ch = &ch->video; + struct vpif_capture_chan_config *chan_cfg; + struct v4l2_input input; + + if (config->chan_config[ch->channel_id].inputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + input = chan_cfg->inputs[ch->input_idx].input; + if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) + return -ENODATA; *timings = vid_ch->dv_timings; _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
