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Commit 9bbc5820 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] radio-miropcm20: fix signal and stereo indication 



Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent f5e7cc4a

drivers/media/radio/radio-miropcm20.c

+8 −2
Original line number Diff line number Diff line
@@ -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;