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path: root/drivers/media/video/tvaudio.c
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Diffstat (limited to 'drivers/media/video/tvaudio.c')
-rw-r--r--drivers/media/video/tvaudio.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
index 15fd55ff69c..4e6d030d83c 100644
--- a/drivers/media/video/tvaudio.c
+++ b/drivers/media/video/tvaudio.c
@@ -1682,6 +1682,30 @@ static int chip_command(struct i2c_client *client,
case VIDIOC_S_CTRL:
return tvaudio_set_ctrl(chip, arg);
+ case VIDIOC_INT_G_AUDIO_ROUTING:
+ {
+ struct v4l2_routing *rt = arg;
+
+ rt->input = chip->input;
+ rt->output = 0;
+ break;
+ }
+
+ case VIDIOC_INT_S_AUDIO_ROUTING:
+ {
+ struct v4l2_routing *rt = arg;
+
+ if (!(desc->flags & CHIP_HAS_INPUTSEL) || rt->input >= 4)
+ return -EINVAL;
+ /* There are four inputs: tuner, radio, extern and intern. */
+ chip->input = rt->input;
+ if (chip->muted)
+ break;
+ chip_write_masked(chip, desc->inputreg,
+ desc->inputmap[chip->input], desc->inputmask);
+ break;
+ }
+
case VIDIOC_S_AUDIO:
{
struct v4l2_audio *sarg = arg;