diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-05-28 18:10:01 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-02-06 00:17:03 +0400 |
| commit | 9bbc5820ffe1675c923ed0b82952cc64a610bd5d (patch) | |
| tree | d2ffbd89d995a308431523a49846b5fed6f70857 /drivers/media/radio | |
| parent | f5e7cc4af36c631edf7dc73111d80af975f526a6 (diff) | |
| download | linux-9bbc5820ffe1675c923ed0b82952cc64a610bd5d.tar.xz | |
[media] radio-miropcm20: fix signal and stereo indication
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/radio-miropcm20.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/radio/radio-miropcm20.c b/drivers/media/radio/radio-miropcm20.c index eb6cd86337a8..3d0ff4404d12 100644 --- a/drivers/media/radio/radio-miropcm20.c +++ b/drivers/media/radio/radio-miropcm20.c @@ -82,6 +82,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct pcm20 *dev = video_drvdata(file); + int res; if (v->index) return -EINVAL; @@ -89,8 +90,13 @@ static int vidioc_g_tuner(struct file *file, void *priv, v->type = V4L2_TUNER_RADIO; v->rangelow = 87*16000; v->rangehigh = 108*16000; - v->signal = 0xffff; - v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; + res = snd_aci_cmd(dev->aci, ACI_READ_TUNERSTATION, -1, -1); + v->signal = (res & 0x80) ? 0 : 0xffff; + /* Note: stereo detection does not work if the audio is muted, + it will default to mono in that case. */ + res = snd_aci_cmd(dev->aci, ACI_READ_TUNERSTEREO, -1, -1); + v->rxsubchans = (res & 0x40) ? V4L2_TUNER_SUB_MONO : + V4L2_TUNER_SUB_STEREO; v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; v->audmode = dev->audmode; return 0; |