aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/cx23885
diff options
context:
space:
mode:
authorSteven Toth <stoth@kernellabs.com>2011-10-10 11:09:56 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-10-14 17:20:12 -0300
commitfc1a889df78dea08e522310c9eb6110448dc61f0 (patch)
tree20884d0587cd3fe17da3c8e0456a6c89c7b43a3f /drivers/media/video/cx23885
parente92bcf8d8abb654cb916f3e615697320bc6bf1e1 (diff)
[media] cx23885: add generic functions for dealing with audio input selection
Signed-off-by: Steven Toth <stoth@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx23885')
-rw-r--r--drivers/media/video/cx23885/cx23885-video.c81
-rw-r--r--drivers/media/video/cx23885/cx23885.h1
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;