diff options
Diffstat (limited to 'drivers/media/platform/blackfin/bfin_capture.c')
| -rw-r--r-- | drivers/media/platform/blackfin/bfin_capture.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index f2b1a23..f97d94d 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -440,6 +440,11 @@ static irqreturn_t bcap_isr(int irq, void *dev_id) static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; + + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_STD)) + return -ENODATA; return v4l2_subdev_call(bcap_dev->sd, video, querystd, std); } @@ -447,6 +452,11 @@ static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std) static int bcap_g_std(struct file *file, void *priv, v4l2_std_id *std) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; + + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_STD)) + return -ENODATA; *std = bcap_dev->std; return 0; @@ -455,8 +465,13 @@ static int bcap_g_std(struct file *file, void *priv, v4l2_std_id *std) static int bcap_s_std(struct file *file, void *priv, v4l2_std_id std) { struct bcap_device *bcap_dev = video_drvdata(file); + struct v4l2_input input; int ret; + input = bcap_dev->cfg->inputs[bcap_dev->cur_input]; + if (!(input.capabilities & V4L2_IN_CAP_STD)) + return -ENODATA; + if (vb2_is_busy(&bcap_dev->buffer_queue)) return -EBUSY; |
