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V4L/DVB (10702): saa7115: add querystd and g_input_status support for zoran. 

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2009-02-18 12:35:33 -03:00 committed by Mauro Carvalho Chehab
parent 9040320a89
commit 17bdd9ddd1
1 changed files with 43 additions and 0 deletions
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43
drivers/media/video/saa7115.c
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@ -1373,6 +1373,47 @@ static int saa711x_g_vbi_data(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_dat
}
}
static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
{
struct saa711x_state *state = to_state(sd);
int reg1e;
*std = V4L2_STD_ALL;
if (state->ident != V4L2_IDENT_SAA7115)
return 0;
reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC);
switch (reg1e & 0x03) {
case 1:
*std = V4L2_STD_NTSC;
break;
case 2:
*std = V4L2_STD_PAL;
break;
case 3:
*std = V4L2_STD_SECAM;
break;
default:
break;
}
return 0;
}
static int saa711x_g_input_status(struct v4l2_subdev *sd, u32 *status)
{
struct saa711x_state *state = to_state(sd);
int reg1e = 0x80;
int reg1f;
*status = V4L2_IN_ST_NO_SIGNAL;
if (state->ident == V4L2_IDENT_SAA7115)
reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC);
reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);
if ((reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80)
*status = 0;
return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int saa711x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
@ -1496,6 +1537,8 @@ static const struct v4l2_subdev_video_ops saa711x_video_ops = {
.g_vbi_data = saa711x_g_vbi_data,
.decode_vbi_line = saa711x_decode_vbi_line,
.s_stream = saa711x_s_stream,
.querystd = saa711x_querystd,
.g_input_status = saa711x_g_input_status,
};
static const struct v4l2_subdev_ops saa711x_ops = {