diff options
| -rw-r--r-- | drivers/media/pci/bt8xx/bttv-driver.c | 23 | ||||
| -rw-r--r-- | drivers/media/pci/bt8xx/bttvp.h | 1 |
2 files changed, 21 insertions, 3 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index b5100da854c0..265263a47a13 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -1004,7 +1004,7 @@ audio_mux(struct bttv *btv, int input, int mute) /* automute */ mute = mute || (btv->opt_automute && (!signal || !btv->users) - && !btv->radio_user); + && !btv->has_radio_tuner); if (mute) gpio_val = bttv_tvcards[btv->c.type].gpiomute; @@ -1701,6 +1701,16 @@ static struct videobuf_queue_ops bttv_video_qops = { .buf_release = buffer_release, }; +static void radio_enable(struct bttv *btv) +{ + /* Switch to the radio tuner */ + if (!btv->has_radio_tuner) { + btv->has_radio_tuner = 1; + bttv_call_all(btv, tuner, s_radio); + audio_input(btv, TVAUDIO_INPUT_RADIO); + } +} + static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) { struct bttv_fh *fh = priv; @@ -1832,6 +1842,8 @@ static int bttv_g_frequency(struct file *file, void *priv, if (f->tuner) return -EINVAL; + if (f->type == V4L2_TUNER_RADIO) + radio_enable(btv); f->frequency = f->type == V4L2_TUNER_RADIO ? btv->radio_freq : btv->tv_freq; @@ -1845,6 +1857,7 @@ static void bttv_set_frequency(struct bttv *btv, struct v4l2_frequency *f) frequency before assigning radio/tv_freq. */ bttv_call_all(btv, tuner, g_frequency, f); if (f->type == V4L2_TUNER_RADIO) { + radio_enable(btv); btv->radio_freq = f->frequency; if (btv->has_matchbox) tea5757_set_freq(btv, btv->radio_freq); @@ -3235,8 +3248,6 @@ static int radio_open(struct file *file) btv->radio_user++; - bttv_call_all(btv, tuner, s_radio); - audio_input(btv,TVAUDIO_INPUT_RADIO); v4l2_fh_add(&fh->fh); return 0; @@ -3257,6 +3268,8 @@ static int radio_release(struct file *file) bttv_call_all(btv, core, ioctl, SAA6588_CMD_CLOSE, &cmd); + if (btv->radio_user == 0) + btv->has_radio_tuner = 0; return 0; } @@ -3269,6 +3282,7 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) return -EINVAL; strcpy(t->name, "Radio"); t->type = V4L2_TUNER_RADIO; + radio_enable(btv); bttv_call_all(btv, tuner, g_tuner, t); @@ -3287,6 +3301,7 @@ static int radio_s_tuner(struct file *file, void *priv, if (0 != t->index) return -EINVAL; + radio_enable(btv); bttv_call_all(btv, tuner, s_tuner, t); return 0; } @@ -3301,6 +3316,7 @@ static ssize_t radio_read(struct file *file, char __user *data, cmd.buffer = data; cmd.instance = file; cmd.result = -ENODEV; + radio_enable(btv); bttv_call_all(btv, core, ioctl, SAA6588_CMD_READ, &cmd); @@ -3319,6 +3335,7 @@ static unsigned int radio_poll(struct file *file, poll_table *wait) res = POLLPRI; else if (req_events & POLLPRI) poll_wait(file, &fh->fh.wait, wait); + radio_enable(btv); cmd.instance = file; cmd.event_list = wait; cmd.result = res; diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h index 86d67bb5adec..eb13be7ae3f4 100644 --- a/drivers/media/pci/bt8xx/bttvp.h +++ b/drivers/media/pci/bt8xx/bttvp.h @@ -437,6 +437,7 @@ struct bttv { /* radio data/state */ int has_radio; + int has_radio_tuner; int radio_user; int radio_uses_msp_demodulator; unsigned long radio_freq; |