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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-02-18 16:35:33 +0100 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2009-02-18 16:35:33 +0100 |
| commit | d508d21a881363ed8a29131a5d766a17562d9596 (patch) | |
| tree | 65baca8008efbc69c07713f7348baac5720bf5fd /linux/drivers | |
| parent | 6fdf67ebdaa0672d9f580433d4331b451ada01bd (diff) | |
| download | mediapointer-dvb-s2-d508d21a881363ed8a29131a5d766a17562d9596.tar.gz mediapointer-dvb-s2-d508d21a881363ed8a29131a5d766a17562d9596.tar.bz2 | |
saa7115: add querystd and g_input_status support for zoran.
From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/video/saa7115.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/linux/drivers/media/video/saa7115.c b/linux/drivers/media/video/saa7115.c index 2e868fade..169b01f6d 100644 --- a/linux/drivers/media/video/saa7115.c +++ b/linux/drivers/media/video/saa7115.c @@ -1372,6 +1372,47 @@ 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) { @@ -1495,6 +1536,8 @@ 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 = { |