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/pci/saa7134/saa7134-video.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/pci/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 1e23547531b9..a6c69a4c7fbd 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -1828,7 +1828,7 @@ static int saa7134_querycap(struct file *file, void *priv, return 0; } -int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id) +int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id) { unsigned long flags; unsigned int i; @@ -1849,17 +1849,17 @@ int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_ } for (i = 0; i < TVNORMS; i++) - if (*id == tvnorms[i].id) + if (id == tvnorms[i].id) break; if (i == TVNORMS) for (i = 0; i < TVNORMS; i++) - if (*id & tvnorms[i].id) + if (id & tvnorms[i].id) break; if (i == TVNORMS) return -EINVAL; - if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) { + if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) { if (secam[0] == 'L' || secam[0] == 'l') { if (secam[1] == 'C' || secam[1] == 'c') fixup = V4L2_STD_SECAM_LC; @@ -1879,7 +1879,7 @@ int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_ return -EINVAL; } - *id = tvnorms[i].id; + id = tvnorms[i].id; mutex_lock(&dev->lock); if (fh && res_check(fh, RESOURCE_OVERLAY)) { @@ -1901,7 +1901,7 @@ int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_ } EXPORT_SYMBOL_GPL(saa7134_s_std_internal); -static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) +static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) { struct saa7134_fh *fh = priv; @@ -2396,7 +2396,7 @@ static int radio_s_input(struct file *filp, void *priv, unsigned int i) return 0; } -static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) +static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm) { return 0; } |