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authorHans Verkuil <hverkuil@xs4all.nl>2009-02-18 12:35:33 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:42:54 -0300
commit17bdd9ddd14dc4d15277aacb277272f7a6c4eb2a (patch)
treec8e526126905feb52cf7e2f5600ef537a79780d7 /drivers
parent9040320a899f41cc1978bdd4b6867b172da9b021 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/saa7115.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index b1c5f63bb77..591f7f98aa3 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -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 = {