diff options
Diffstat (limited to 'drivers/media/v4l2-core/tuner-core.c')
| -rw-r--r-- | drivers/media/v4l2-core/tuner-core.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c index b5a819af2b8..b5a8aac2e12 100644 --- a/drivers/media/v4l2-core/tuner-core.c +++ b/drivers/media/v4l2-core/tuner-core.c @@ -1013,6 +1013,11 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq) t->standby = false; analog_ops->set_params(&t->fe, ¶ms); + /* + * The tuner driver might decide to change the audmode if it only + * supports stereo, so update t->audmode. + */ + t->audmode = params.audmode; } /* @@ -1235,8 +1240,18 @@ static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) if (set_mode(t, vt->type)) return 0; - if (t->mode == V4L2_TUNER_RADIO) + if (t->mode == V4L2_TUNER_RADIO) { t->audmode = vt->audmode; + /* + * For radio audmode can only be mono or stereo. Map any + * other values to stereo. The actual tuner driver that is + * called in set_radio_freq can decide to limit the audmode to + * mono if only mono is supported. + */ + if (t->audmode != V4L2_TUNER_MODE_MONO && + t->audmode != V4L2_TUNER_MODE_STEREO) + t->audmode = V4L2_TUNER_MODE_STEREO; + } set_freq(t, 0); return 0; |