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path: root/drivers/media/video/cx23885/cx23885-video.c
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Diffstat (limited to 'drivers/media/video/cx23885/cx23885-video.c')
-rw-r--r--drivers/media/video/cx23885/cx23885-video.c359
1 files changed, 311 insertions, 48 deletions
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index ee57f6b..e730b92 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -37,6 +37,8 @@
#include "cx23885-ioctl.h"
#include "tuner-xc2028.h"
+#include <media/cx25840.h>
+
MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
MODULE_LICENSE("GPL");
@@ -69,14 +71,14 @@ MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
#define dprintk(level, fmt, arg...)\
do { if (video_debug >= level)\
- printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+ printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
} while (0)
/* ------------------------------------------------------------------- */
/* static data */
#define FORMAT_FLAGS_PACKED 0x01
-
+#if 0
static struct cx23885_fmt formats[] = {
{
.name = "8 bpp, gray",
@@ -130,6 +132,23 @@ static struct cx23885_fmt formats[] = {
.flags = FORMAT_FLAGS_PACKED,
},
};
+#else
+static struct cx23885_fmt formats[] = {
+ {
+#if 0
+ .name = "4:2:2, packed, UYVY",
+ .fourcc = V4L2_PIX_FMT_UYVY,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }, {
+#endif
+ .name = "4:2:2, packed, YUYV",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }
+};
+#endif
static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
{
@@ -139,7 +158,12 @@ static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
if (formats[i].fourcc == fourcc)
return formats+i;
- printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc);
+ printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__,
+ (fourcc & 0xff),
+ ((fourcc >> 8) & 0xff),
+ ((fourcc >> 16) & 0xff),
+ ((fourcc >> 24) & 0xff)
+ );
return NULL;
}
@@ -171,7 +195,7 @@ static struct cx23885_ctrl cx23885_ctls[] = {
.id = V4L2_CID_CONTRAST,
.name = "Contrast",
.minimum = 0,
- .maximum = 0xff,
+ .maximum = 0x7f,
.step = 1,
.default_value = 0x3f,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -184,10 +208,10 @@ static struct cx23885_ctrl cx23885_ctls[] = {
.v = {
.id = V4L2_CID_HUE,
.name = "Hue",
- .minimum = 0,
- .maximum = 0xff,
+ .minimum = -127,
+ .maximum = 128,
.step = 1,
- .default_value = 0x7f,
+ .default_value = 0x0,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.off = 128,
@@ -202,9 +226,9 @@ static struct cx23885_ctrl cx23885_ctls[] = {
.id = V4L2_CID_SATURATION,
.name = "Saturation",
.minimum = 0,
- .maximum = 0xff,
+ .maximum = 0x7f,
.step = 1,
- .default_value = 0x7f,
+ .default_value = 0x3f,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.off = 0,
@@ -258,8 +282,8 @@ static const u32 *ctrl_classes[] = {
NULL
};
-static void cx23885_video_wakeup(struct cx23885_dev *dev,
- struct cx23885_dmaqueue *q, u32 count)
+void cx23885_video_wakeup(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q, u32 count)
{
struct cx23885_buffer *buf;
int bc;
@@ -393,6 +417,71 @@ static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
mutex_unlock(&dev->lock);
}
+static int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
+{
+ /* 8 bit registers, 8 bit values */
+ u8 buf[] = { reg, data };
+
+ struct i2c_msg msg = { .addr = 0x98 >> 1,
+ .flags = 0, .buf = buf, .len = 2 };
+
+ return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
+}
+
+static u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
+{
+ /* 8 bit registers, 8 bit values */
+ int ret;
+ u8 b0[] = { reg };
+ u8 b1[] = { 0 };
+
+ struct i2c_msg msg[] = {
+ { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
+ { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
+ };
+
+ ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
+ if (ret != 2)
+ printk(KERN_ERR "%s() error\n", __func__);
+
+ return b1[0];
+}
+
+static void cx23885_flatiron_dump(struct cx23885_dev *dev)
+{
+ int i;
+ dprintk(1, "Flatiron dump\n");
+ for (i = 0; i < 0x24; i++) {
+ dprintk(1, "FI[%02x] = %02x\n", i,
+ cx23885_flatiron_read(dev, i));
+ }
+}
+
+static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
+{
+ u8 val;
+ dprintk(1, "%s(input = %d)\n", __func__, input);
+
+ if (input == 1)
+ val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
+ else if (input == 2)
+ val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
+ else
+ return -EINVAL;
+
+ val |= 0x20; /* Enable clock to delta-sigma and dec filter */
+
+ cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
+
+ /* Wake up */
+ cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
+
+ if (video_debug)
+ cx23885_flatiron_dump(dev);
+
+ return 0;
+}
+
static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
{
dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
@@ -413,27 +502,59 @@ static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
INPUT(input)->vmux, 0, 0);
+ if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
+ (dev->board == CX23885_BOARD_MPX885)) {
+ /* Configure audio routing */
+ v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
+ INPUT(input)->amux, 0, 0);
+
+ 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)
+static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
{
- dprintk(1, "%s()\n", __func__);
+ dprintk(1, "%s(input=%d)\n", __func__, input);
+
+ /* The baseband video core of the cx23885 has two audio inputs.
+ * LR1 and LR2. In almost every single case so far only HVR1xxx
+ * cards we've only ever supported LR1. Time to support LR2,
+ * which is available via the optional white breakout header on
+ * the board.
+ * We'll use a could of existing enums in the card struct to allow
+ * devs to specify which baseband input they need, or just default
+ * to what we've always used.
+ */
+ if (INPUT(input)->amux == CX25840_AUDIO7)
+ cx23885_flatiron_mux(dev, 1);
+ else if (INPUT(input)->amux == CX25840_AUDIO6)
+ cx23885_flatiron_mux(dev, 2);
+ else {
+ /* Not specifically defined, assume the default. */
+ cx23885_flatiron_mux(dev, 1);
+ }
+
return 0;
}
+/* ------------------------------------------------------------------ */
static int cx23885_start_video_dma(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q,
struct cx23885_buffer *buf)
{
dprintk(1, "%s()\n", __func__);
+ /* Stop the dma/fifo before we tamper with it's risc programs */
+ cx_clear(VID_A_DMA_CTL, 0x11);
+
/* setup fifo + format */
cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
buf->bpl, buf->risc.dma);
- cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field);
/* reset counter */
cx_write(VID_A_GPCNT_CTL, 3);
@@ -748,7 +869,7 @@ static int video_open(struct file *file)
fh->type = type;
fh->width = 320;
fh->height = 240;
- fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
+ fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
&dev->pci->dev, &dev->slock,
@@ -757,6 +878,14 @@ static int video_open(struct file *file)
sizeof(struct cx23885_buffer),
fh, NULL);
+ videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops,
+ &dev->pci->dev, &dev->slock,
+ V4L2_BUF_TYPE_VBI_CAPTURE,
+ V4L2_FIELD_SEQ_TB,
+ sizeof(struct cx23885_buffer),
+ fh, NULL);
+
+
dprintk(1, "post videobuf_queue_init()\n");
return 0;
@@ -884,8 +1013,9 @@ static int cx23885_get_control(struct cx23885_dev *dev,
static int cx23885_set_control(struct cx23885_dev *dev,
struct v4l2_control *ctl)
{
- dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
- " (disabled - no action)\n", __func__);
+ dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__);
+ call_all(dev, core, s_ctrl, ctl);
+
return 0;
}
@@ -1000,7 +1130,6 @@ static int vidioc_querycap(struct file *file, void *priv,
strlcpy(cap->card, cx23885_boards[dev->board].name,
sizeof(cap->card));
sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
- cap->version = CX23885_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_READWRITE |
@@ -1060,13 +1189,22 @@ static int vidioc_streamon(struct file *file, void *priv,
struct cx23885_dev *dev = fh->dev;
dprintk(1, "%s()\n", __func__);
- if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
+ if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
return -EINVAL;
if (unlikely(i != fh->type))
return -EINVAL;
if (unlikely(!res_get(dev, fh, get_resource(fh))))
return -EBUSY;
+
+ /* Don't start VBI streaming unless vida streaming
+ * has already started.
+ */
+ if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) &&
+ ((cx_read(VID_A_DMA_CTL) & 0x11) == 0))
+ return -EINVAL;
+
return videobuf_streamon(get_queue(fh));
}
@@ -1077,7 +1215,8 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
int err, res;
dprintk(1, "%s()\n", __func__);
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
return -EINVAL;
if (i != fh->type)
return -EINVAL;
@@ -1120,7 +1259,7 @@ static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
dprintk(1, "%s()\n", __func__);
n = i->index;
- if (n >= 4)
+ if (n >= MAX_CX23885_INPUT)
return -EINVAL;
if (0 == INPUT(n)->type)
@@ -1134,6 +1273,11 @@ static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
i->type = V4L2_INPUT_TYPE_TUNER;
i->std = CX23885_NORMS;
}
+
+ /* Two selectable audio inputs for non-tv inputs */
+ if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
+ i->audioset = 0x3;
+
return 0;
}
@@ -1160,13 +1304,20 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
dprintk(1, "%s(%d)\n", __func__, i);
- if (i >= 4) {
+ if (i >= MAX_CX23885_INPUT) {
dprintk(1, "%s() -EINVAL\n", __func__);
return -EINVAL;
}
+ if (INPUT(i)->type == 0)
+ return -EINVAL;
+
mutex_lock(&dev->lock);
cx23885_video_mux(dev, i);
+
+ /* By default establish the default audio input for the card also */
+ /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
+ cx23885_audio_mux(dev, i);
mutex_unlock(&dev->lock);
return 0;
}
@@ -1186,6 +1337,64 @@ 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;
+ if (i->index >= 2)
+ return -EINVAL;
+
+ dprintk(1, "%s(%d)\n", __func__, i->index);
+
+ dev->audinput = i->index;
+
+ /* Skip the audio defaults from the cards struct, caller wants
+ * directly touch the audio mux hardware. */
+ cx23885_flatiron_mux(dev, dev->audinput + 1);
+ return 0;
+}
+
static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qctrl)
{
@@ -1222,10 +1431,8 @@ static int vidioc_g_tuner(struct file *file, void *priv,
return -EINVAL;
strcpy(t->name, "Television");
- t->type = V4L2_TUNER_ANALOG_TV;
- t->capability = V4L2_TUNER_CAP_NORM;
- t->rangehigh = 0xffffffffUL;
- t->signal = 0xffff ; /* LOCKED */
+
+ call_all(dev, tuner, g_tuner, t);
return 0;
}
@@ -1238,6 +1445,9 @@ static int vidioc_s_tuner(struct file *file, void *priv,
return -EINVAL;
if (0 != t->index)
return -EINVAL;
+ /* Update the A/V core */
+ call_all(dev, tuner, s_tuner, t);
+
return 0;
}
@@ -1303,10 +1513,6 @@ static void cx23885_vid_timeout(unsigned long data)
struct cx23885_buffer *buf;
unsigned long flags;
- cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
-
- cx_clear(VID_A_DMA_CTL, 0x11);
-
spin_lock_irqsave(&dev->slock, flags);
while (!list_empty(&q->active)) {
buf = list_entry(q->active.next,
@@ -1314,7 +1520,7 @@ static void cx23885_vid_timeout(unsigned long data)
list_del(&buf->vb.queue);
buf->vb.state = VIDEOBUF_ERROR;
wake_up(&buf->vb.done);
- printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n",
+ printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n",
dev->name, buf, buf->vb.i,
(unsigned long)buf->risc.dma);
}
@@ -1330,27 +1536,43 @@ int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
mask = cx_read(VID_A_INT_MSK);
if (0 == (status & mask))
return handled;
+
cx_write(VID_A_INT_STAT, status);
- dprintk(2, "%s() status = 0x%08x\n", __func__, status);
- /* risc op code error */
- if (status & (1 << 16)) {
- printk(KERN_WARNING "%s/0: video risc op code error\n",
- dev->name);
- cx_clear(VID_A_DMA_CTL, 0x11);
- cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
+ /* risc op code error, fifo overflow or line sync detection error */
+ if ((status & VID_BC_MSK_OPC_ERR) ||
+ (status & VID_BC_MSK_SYNC) ||
+ (status & VID_BC_MSK_OF)) {
+
+ if (status & VID_BC_MSK_OPC_ERR) {
+ dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
+ VID_BC_MSK_OPC_ERR);
+ printk(KERN_WARNING "%s: video risc op code error\n",
+ dev->name);
+ cx23885_sram_channel_dump(dev,
+ &dev->sram_channels[SRAM_CH01]);
+ }
+
+ if (status & VID_BC_MSK_SYNC)
+ dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
+ "video lines miss-match\n",
+ VID_BC_MSK_SYNC);
+
+ if (status & VID_BC_MSK_OF)
+ dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
+ VID_BC_MSK_OF);
+
}
- /* risc1 y */
- if (status & 0x01) {
+ /* Video */
+ if (status & VID_BC_MSK_RISCI1) {
spin_lock(&dev->slock);
count = cx_read(VID_A_GPCNT);
cx23885_video_wakeup(dev, &dev->vidq, count);
spin_unlock(&dev->slock);
handled++;
}
- /* risc2 y */
- if (status & 0x10) {
+ if (status & VID_BC_MSK_RISCI2) {
dprintk(2, "stopper video\n");
spin_lock(&dev->slock);
cx23885_restart_video_queue(dev, &dev->vidq);
@@ -1358,6 +1580,9 @@ int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
handled++;
}
+ /* Allow the VBI framework to process it's payload */
+ handled += cx23885_vbi_irq(dev, status);
+
return handled;
}
@@ -1406,6 +1631,9 @@ 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;
@@ -1430,6 +1658,14 @@ void cx23885_video_unregister(struct cx23885_dev *dev)
dprintk(1, "%s()\n", __func__);
cx23885_irq_remove(dev, 0x01);
+ if (dev->vbi_dev) {
+ if (video_is_registered(dev->vbi_dev))
+ video_unregister_device(dev->vbi_dev);
+ else
+ video_device_release(dev->vbi_dev);
+ dev->vbi_dev = NULL;
+ btcx_riscmem_free(dev->pci, &dev->vbiq.stopper);
+ }
if (dev->video_dev) {
if (video_is_registered(dev->video_dev))
video_unregister_device(dev->video_dev);
@@ -1439,6 +1675,9 @@ void cx23885_video_unregister(struct cx23885_dev *dev)
btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
}
+
+ if (dev->audio_dev)
+ cx23885_audio_unregister(dev);
}
int cx23885_video_register(struct cx23885_dev *dev)
@@ -1464,7 +1703,14 @@ int cx23885_video_register(struct cx23885_dev *dev)
cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
VID_A_DMA_CTL, 0x11, 0x00);
- /* Don't enable VBI yet */
+ /* init vbi dma queues */
+ INIT_LIST_HEAD(&dev->vbiq.active);
+ INIT_LIST_HEAD(&dev->vbiq.queued);
+ dev->vbiq.timeout.function = cx23885_vbi_timeout;
+ dev->vbiq.timeout.data = (unsigned long)dev;
+ init_timer(&dev->vbiq.timeout);
+ cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper,
+ VID_A_DMA_CTL, 0x22, 0x00);
cx23885_irq_add_enable(dev, 0x01);
@@ -1505,8 +1751,7 @@ int cx23885_video_register(struct cx23885_dev *dev)
}
}
-
- /* register v4l devices */
+ /* register Video device */
dev->video_dev = cx23885_vdev_init(dev, dev->pci,
&cx23885_video_template, "video");
err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
@@ -1516,13 +1761,31 @@ int cx23885_video_register(struct cx23885_dev *dev)
dev->name);
goto fail_unreg;
}
- printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
+ printk(KERN_INFO "%s: registered device %s [v4l2]\n",
dev->name, video_device_node_name(dev->video_dev));
+
+ /* register VBI device */
+ dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
+ &cx23885_vbi_template, "vbi");
+ err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[dev->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s: can't register vbi device\n",
+ dev->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s: registered device %s\n",
+ dev->name, video_device_node_name(dev->vbi_dev));
+
+ /* Register ALSA audio device */
+ dev->audio_dev = cx23885_audio_register(dev);
+
/* initial device configuration */
mutex_lock(&dev->lock);
cx23885_set_tvnorm(dev, dev->tvnorm);
init_controls(dev);
cx23885_video_mux(dev, 0);
+ cx23885_audio_mux(dev, 0);
mutex_unlock(&dev->lock);
return 0;