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V4L/DVB (8050): Add register get/set debug ioctls to saa7134 

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-06-16 12:31:57 -03:00
parent 11417daab6
commit c121ba1f40
1 changed files with 30 additions and 0 deletions
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30
drivers/media/video/saa7134/saa7134-video.c
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@ -2208,6 +2208,32 @@ static int saa7134_g_parm(struct file *file, void *fh,
return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register (struct file *file, void *priv,
struct v4l2_register *reg)
{
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
return -EINVAL;
reg->val = saa_readb(reg->reg);
return 0;
}
static int vidioc_s_register (struct file *file, void *priv,
struct v4l2_register *reg)
{
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
return -EINVAL;
saa_writeb(reg->reg&0xffffff, reg->val);
return 0;
}
#endif
static int radio_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
@ -2391,6 +2417,10 @@ struct video_device saa7134_video_template =
.vidioc_g_parm = saa7134_g_parm,
.vidioc_g_frequency = saa7134_g_frequency,
.vidioc_s_frequency = saa7134_s_frequency,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
.tvnorms = SAA7134_NORMS,
.current_norm = V4L2_STD_PAL,
};