diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-15 06:10:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 06:47:00 -0300 |
| commit | 314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch) | |
| tree | 871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/platform/davinci/vpif_display.c | |
| parent | 2f73c7c582a685b3198b974cd6d964d0338f8ab5 (diff) | |
[media] v4l2: pass std by value to the write-only s_std ioctl
This ioctl is defined as IOW, so pass the argument by value instead of by
reference. I could have chosen to add const instead, but this is 1) easier
to handle in drivers and 2) consistent with the s_std subdev operation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/davinci/vpif_display.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 3bb187c9402..f1dff9ec1ea 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1059,14 +1059,14 @@ static int vpif_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) return vb2_qbuf(&common->buffer_queue, buf); } -static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id) +static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) { struct vpif_fh *fh = priv; struct channel_obj *ch = fh->channel; struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; int ret = 0; - if (!(*std_id & VPIF_V4L2_STD)) + if (!(std_id & VPIF_V4L2_STD)) return -EINVAL; if (common->started) { @@ -1075,7 +1075,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id) } /* Call encoder subdevice function to set the standard */ - ch->video.stdid = *std_id; + ch->video.stdid = std_id; memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); /* Get the information about the standard */ if (vpif_update_resolution(ch)) @@ -1093,14 +1093,14 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id) vpif_config_format(ch); ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, - s_std_output, *std_id); + s_std_output, std_id); if (ret < 0) { vpif_err("Failed to set output standard\n"); return ret; } ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core, - s_std, *std_id); + s_std, std_id); if (ret < 0) vpif_err("Failed to set standard for sub devices\n"); return ret; |