diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-video.c | 81 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 1 |
2 files changed, 82 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 596b46e7bc5..9726f2a0ef6 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -517,6 +517,22 @@ static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) return 0; } +static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) +{ + dprintk(1, "%s(input=%d)\n", __func__, input); + + if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || + (dev->board == CX23885_BOARD_MPX885)) { + + if (INPUT(input)->amux == CX25840_AUDIO7) + cx23885_flatiron_mux(dev, 1); + else if (INPUT(input)->amux == CX25840_AUDIO6) + cx23885_flatiron_mux(dev, 2); + } + + return 0; +} + /* ------------------------------------------------------------------ */ static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, unsigned int height, enum v4l2_field field) @@ -1308,6 +1324,68 @@ static int vidioc_log_status(struct file *file, void *priv) return 0; } +static int cx23885_query_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + static const char *iname[] = { + [0] = "Baseband L/R 1", + [1] = "Baseband L/R 2", + }; + unsigned int n; + dprintk(1, "%s()\n", __func__); + + n = i->index; + if (n >= 2) + return -EINVAL; + + memset(i, 0, sizeof(*i)); + i->index = n; + strcpy(i->name, iname[n]); + i->capability = V4L2_AUDCAP_STEREO; + i->mode = V4L2_AUDMODE_AVL; + return 0; + +} + +static int vidioc_enum_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + return cx23885_query_audinput(file, priv, i); +} + +static int vidioc_g_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + i->index = dev->audinput; + dprintk(1, "%s(input=%d)\n", __func__, i->index); + + return cx23885_query_audinput(file, priv, i); +} + +static int vidioc_s_audinput(struct file *file, void *priv, + struct v4l2_audio *i) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + /* cx23885 offers 2 different audio inputs on the A/V core, LR1 and LR2. + * By default the driver has always used LR1 and we need support for + * switching. This isn't board specific, is part of the base silicon. + */ + if (i->index >= 2) + return -EINVAL; + + dprintk(1, "%s(%d)\n", __func__, i->index); + + mutex_lock(&dev->lock); + dev->audinput = i->index; + cx23885_audio_mux(dev, dev->audinput); + mutex_unlock(&dev->lock); + return 0; +} + static int vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qctrl) { @@ -1548,6 +1626,9 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_g_register = cx23885_g_register, .vidioc_s_register = cx23885_s_register, #endif + .vidioc_enumaudio = vidioc_enum_audinput, + .vidioc_g_audio = vidioc_g_audinput, + .vidioc_s_audio = vidioc_s_audinput, }; static struct video_device cx23885_vbi_template; diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index b205e3263b4..b49036fe3ff 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -392,6 +392,7 @@ struct cx23885_dev { /* Analog video */ u32 resources; unsigned int input; + unsigned int audinput; /* Selectable audio input */ u32 tvaudio; v4l2_std_id tvnorm; unsigned int tuner_type; |