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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-15 06:10:40 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-24 06:47:00 -0300
commit314527acbbb3f33f72c2ef19d8cfabcada9912a5 (patch)
tree871021b9e888444f9f71f5c12ecf0272d77fdf8d /drivers/media/platform/davinci/vpfe_capture.c
parent2f73c7c582a685b3198b974cd6d964d0338f8ab5 (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/vpfe_capture.c')
-rw-r--r--drivers/media/platform/davinci/vpfe_capture.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 3d1af6704822..20db8a077990 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -376,7 +376,7 @@ static int vpfe_config_ccdc_image_format(struct vpfe_device *vpfe_dev)
* values in ccdc
*/
static int vpfe_config_image_format(struct vpfe_device *vpfe_dev,
- const v4l2_std_id *std_id)
+ v4l2_std_id std_id)
{
struct vpfe_subdev_info *sdinfo = vpfe_dev->current_subdev;
struct v4l2_mbus_framefmt mbus_fmt;
@@ -384,7 +384,7 @@ static int vpfe_config_image_format(struct vpfe_device *vpfe_dev,
int i, ret = 0;
for (i = 0; i < ARRAY_SIZE(vpfe_standards); i++) {
- if (vpfe_standards[i].std_id & *std_id) {
+ if (vpfe_standards[i].std_id & std_id) {
vpfe_dev->std_info.active_pixels =
vpfe_standards[i].width;
vpfe_dev->std_info.active_lines =
@@ -461,7 +461,7 @@ static int vpfe_initialize_device(struct vpfe_device *vpfe_dev)
/* Configure the default format information */
ret = vpfe_config_image_format(vpfe_dev,
- &vpfe_standards[vpfe_dev->std_index].std_id);
+ vpfe_standards[vpfe_dev->std_index].std_id);
if (ret)
return ret;
@@ -1168,7 +1168,7 @@ static int vpfe_s_input(struct file *file, void *priv, unsigned int index)
/* set the default image parameters in the device */
ret = vpfe_config_image_format(vpfe_dev,
- &vpfe_standards[vpfe_dev->std_index].std_id);
+ vpfe_standards[vpfe_dev->std_index].std_id);
unlock_out:
mutex_unlock(&vpfe_dev->lock);
return ret;
@@ -1193,7 +1193,7 @@ static int vpfe_querystd(struct file *file, void *priv, v4l2_std_id *std_id)
return ret;
}
-static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
+static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id std_id)
{
struct vpfe_device *vpfe_dev = video_drvdata(file);
struct vpfe_subdev_info *sdinfo;
@@ -1215,7 +1215,7 @@ static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
}
ret = v4l2_device_call_until_err(&vpfe_dev->v4l2_dev, sdinfo->grp_id,
- core, s_std, *std_id);
+ core, s_std, std_id);
if (ret < 0) {
v4l2_err(&vpfe_dev->v4l2_dev, "Failed to set standard\n");
goto unlock_out;

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