From: Mauro Carvalho Chehab <[email protected]>
- Em28xx cleanups and fixes.
- Some cleanups and audio amux adjust.
- em28xx will allways try, by default, the biggest size alt.
- Fixes audio mux code.
- Fixes some logs.
- Adds support for digital output for WinTV USB2 board.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
-----------------
drivers/media/video/em28xx/em28xx-cards.c | 15 ++-
drivers/media/video/em28xx/em28xx-core.c | 17 ---
drivers/media/video/em28xx/em28xx-video.c | 107 ++++++++++++----------
drivers/media/video/msp3400.c | 142 +++++++++++++++++++++++++++---
include/linux/videodev2.h | 1
5 files changed, 201 insertions(+), 81 deletions(-)
--- hg.orig/drivers/media/video/em28xx/em28xx-cards.c
+++ hg/drivers/media/video/em28xx/em28xx-cards.c
@@ -128,7 +128,7 @@ struct em28xx_board em28xx_boards[] = {
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = 0,
- .amux = 0,
+ .amux = 6,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = 2,
@@ -261,9 +261,11 @@ void em28xx_card_setup(struct em28xx *de
/* request some modules */
if (dev->model == EM2820_BOARD_HAUPPAUGE_WINTV_USB_2) {
struct tveeprom tv;
+ struct v4l2_audioout ao;
#ifdef CONFIG_MODULES
request_module("tveeprom");
request_module("ir-kbd-i2c");
+ request_module("msp3400");
#endif
/* Call first TVeeprom */
@@ -273,10 +275,13 @@ void em28xx_card_setup(struct em28xx *de
dev->tuner_type= tv.tuner_type;
if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
dev->has_msp34xx=1;
- } else dev->has_msp34xx=0;
- em28xx_write_regs_req(dev,0x06,0x00,"\x40",1);// Serial Bus Frequency Select Register
- em28xx_write_regs_req(dev,0x0f,0x00,"\x87",1);// XCLK Frequency Select Register
- em28xx_write_regs_req(dev,0x88,0x0d,"\xd0",1);
+ memset (&ao,0,sizeof(ao));
+
+ ao.index=2;
+ ao.mode=V4L2_AUDMODE_32BITS;
+ em28xx_i2c_call_clients(dev, VIDIOC_S_AUDOUT, &ao);
+ } else
+ dev->has_msp34xx=0;
}
}
--- hg.orig/drivers/media/video/em28xx/em28xx-core.c
+++ hg/drivers/media/video/em28xx/em28xx-core.c
@@ -797,20 +797,9 @@ int em28xx_set_alternate(struct em28xx *
dev->alt = alt;
if (dev->alt == 0) {
int i;
- if(dev->is_em2800){ /* always use the max packet size for em2800 based devices */
- for(i=0;i< EM28XX_MAX_ALT; i++)
- if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->alt])
- dev->alt=i;
- }else{
- unsigned int min_pkt_size = dev->field_size / 137; /* FIXME: empiric magic number */
- em28xx_coredbg("minimum isoc packet size: %u", min_pkt_size);
- dev->alt = 7;
- for (i = 1; i < EM28XX_MAX_ALT; i += 2) /* FIXME: skip even alternate: why do they not work? */
- if (dev->alt_max_pkt_size[i] >= min_pkt_size) {
- dev->alt = i;
- break;
- }
- }
+ for(i=0;i< EM28XX_MAX_ALT; i++)
+ if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->alt])
+ dev->alt=i;
}
if (dev->alt != prev_alt) {
--- hg.orig/drivers/media/video/em28xx/em28xx-video.c
+++ hg/drivers/media/video/em28xx/em28xx-video.c
@@ -277,6 +277,35 @@ static void em28xx_empty_framequeues(str
}
}
+static void video_mux(struct em28xx *dev, int index)
+{
+ int input, ainput;
+
+ input = INPUT(index)->vmux;
+ dev->ctl_input = index;
+ dev->ctl_ainput = INPUT(index)->amux;
+
+ em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &input);
+
+
+ em28xx_videodbg("Setting input index=%d, vmux=%d, amux=%d\n",index,input,dev->ctl_ainput);
+
+ if (dev->has_msp34xx) {
+ em28xx_i2c_call_clients(dev, VIDIOC_S_AUDIO, &dev->ctl_ainput);
+ ainput = EM28XX_AUDIO_SRC_TUNER;
+ em28xx_audio_source(dev, ainput);
+ } else {
+ switch (dev->ctl_ainput) {
+ case 0:
+ ainput = EM28XX_AUDIO_SRC_TUNER;
+ break;
+ default:
+ ainput = EM28XX_AUDIO_SRC_LINE;
+ }
+ em28xx_audio_source(dev, ainput);
+ }
+}
+
/*
* em28xx_v4l2_open()
* inits the device and starts isoc transfer
@@ -298,7 +327,7 @@ static int em28xx_v4l2_open(struct inode
filp->private_data=dev;
- em28xx_videodbg("users=%d", dev->users);
+ em28xx_videodbg("users=%d\n", dev->users);
if (!down_read_trylock(&em28xx_disconnect))
return -ERESTARTSYS;
@@ -352,6 +381,8 @@ static int em28xx_v4l2_open(struct inode
dev->state |= DEV_INITIALIZED;
+ video_mux(dev, 0);
+
err:
up(&dev->lock);
up_read(&em28xx_disconnect);
@@ -386,7 +417,7 @@ static int em28xx_v4l2_close(struct inod
int errCode;
struct em28xx *dev=filp->private_data;
- em28xx_videodbg("users=%d", dev->users);
+ em28xx_videodbg("users=%d\n", dev->users);
down(&dev->lock);
@@ -404,7 +435,7 @@ static int em28xx_v4l2_close(struct inod
/* set alternate 0 */
dev->alt = 0;
- em28xx_videodbg("setting alternate 0");
+ em28xx_videodbg("setting alternate 0\n");
errCode = usb_set_interface(dev->udev, 0, 0);
if (errCode < 0) {
em28xx_errdev ("cannot change alternate number to 0 (error=%i)\n",
@@ -434,20 +465,20 @@ em28xx_v4l2_read(struct file *filp, char
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
- em28xx_videodbg("device not present");
+ em28xx_videodbg("device not present\n");
up(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
- em28xx_videodbg("device misconfigured; close and open it again");
+ em28xx_videodbg("device misconfigured; close and open it again\n");
up(&dev->fileop_lock);
return -EIO;
}
if (dev->io == IO_MMAP) {
em28xx_videodbg ("IO method is set to mmap; close and open"
- " the device again to choose the read method");
+ " the device again to choose the read method\n");
up(&dev->fileop_lock);
return -EINVAL;
}
@@ -524,9 +555,9 @@ static unsigned int em28xx_v4l2_poll(str
return POLLERR;
if (dev->state & DEV_DISCONNECTED) {
- em28xx_videodbg("device not present");
+ em28xx_videodbg("device not present\n");
} else if (dev->state & DEV_MISCONFIGURED) {
- em28xx_videodbg("device is misconfigured; close and open it again");
+ em28xx_videodbg("device is misconfigured; close and open it again\n");
} else {
if (dev->io == IO_NONE) {
if (!em28xx_request_buffers
@@ -595,14 +626,14 @@ static int em28xx_v4l2_mmap(struct file
return -ERESTARTSYS;
if (dev->state & DEV_DISCONNECTED) {
- em28xx_videodbg("mmap: device not present");
+ em28xx_videodbg("mmap: device not present\n");
up(&dev->fileop_lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em28xx_videodbg ("mmap: Device is misconfigured; close and "
- "open it again");
+ "open it again\n");
up(&dev->fileop_lock);
return -EIO;
}
@@ -618,7 +649,7 @@ static int em28xx_v4l2_mmap(struct file
break;
}
if (i == dev->num_frames) {
- em28xx_videodbg("mmap: user supplied mapping address is out of range");
+ em28xx_videodbg("mmap: user supplied mapping address is out of range\n");
up(&dev->fileop_lock);
return -EINVAL;
}
@@ -632,7 +663,7 @@ static int em28xx_v4l2_mmap(struct file
page = vmalloc_to_pfn((void *)pos);
if (remap_pfn_range(vma, start, page, PAGE_SIZE,
vma->vm_page_prot)) {
- em28xx_videodbg("mmap: rename page map failed");
+ em28xx_videodbg("mmap: rename page map failed\n");
up(&dev->fileop_lock);
return -EAGAIN;
}
@@ -749,7 +780,7 @@ static int em28xx_stream_interrupt(struc
else if (ret) {
dev->state |= DEV_MISCONFIGURED;
em28xx_videodbg("device is misconfigured; close and "
- "open /dev/video%d again", dev->vdev->minor);
+ "open /dev/video%d again\n", dev->vdev->minor);
return ret;
}
@@ -800,28 +831,6 @@ static int em28xx_set_norm(struct em28xx
return 0;
}
-static void video_mux(struct em28xx *dev, int index)
-{
- int input, ainput;
-
- input = INPUT(index)->vmux;
- dev->ctl_input = index;
-
- em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &input);
-
- dev->ctl_ainput = INPUT(index)->amux;
-
- switch (dev->ctl_ainput) {
- case 0:
- ainput = EM28XX_AUDIO_SRC_TUNER;
- break;
- default:
- ainput = EM28XX_AUDIO_SRC_LINE;
- }
-
- em28xx_audio_source(dev, ainput);
-}
-
/*
* em28xx_v4l2_do_ioctl()
* This function is _not_ called directly, but from
@@ -1062,7 +1071,7 @@ static int em28xx_do_ioctl(struct inode
t->signal =
(status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
- em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x", t->signal,
+ em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x\n", t->signal,
t->afc);
return 0;
}
@@ -1146,7 +1155,7 @@ static int em28xx_do_ioctl(struct inode
dev->stream = STREAM_ON; /* FIXME: Start video capture here? */
- em28xx_videodbg("VIDIOC_STREAMON: starting stream");
+ em28xx_videodbg("VIDIOC_STREAMON: starting stream\n");
return 0;
}
@@ -1160,7 +1169,7 @@ static int em28xx_do_ioctl(struct inode
return -EINVAL;
if (dev->stream == STREAM_ON) {
- em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream");
+ em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream\n");
if ((ret = em28xx_stream_interrupt(dev)))
return ret;
}
@@ -1234,7 +1243,7 @@ static int em28xx_video_do_ioctl(struct
{
struct v4l2_format *format = arg;
- em28xx_videodbg("VIDIOC_G_FMT: type=%s",
+ em28xx_videodbg("VIDIOC_G_FMT: type=%s\n",
format->type ==
V4L2_BUF_TYPE_VIDEO_CAPTURE ?
"V4L2_BUF_TYPE_VIDEO_CAPTURE" : format->type ==
@@ -1253,7 +1262,7 @@ static int em28xx_video_do_ioctl(struct
format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
format->fmt.pix.field = dev->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
- em28xx_videodbg("VIDIOC_G_FMT: %dx%d", dev->width,
+ em28xx_videodbg("VIDIOC_G_FMT: %dx%d\n", dev->width,
dev->height);
return 0;
}
@@ -1274,7 +1283,7 @@ static int em28xx_video_do_ioctl(struct
/* int both_fields; */
- em28xx_videodbg("%s: type=%s",
+ em28xx_videodbg("%s: type=%s\n",
cmd ==
VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
"VIDIOC_S_FMT",
@@ -1288,7 +1297,7 @@ static int em28xx_video_do_ioctl(struct
if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- em28xx_videodbg("%s: requested %dx%d",
+ em28xx_videodbg("%s: requested %dx%d\n",
cmd ==
VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
"VIDIOC_S_FMT", format->fmt.pix.width,
@@ -1347,7 +1356,7 @@ static int em28xx_video_do_ioctl(struct
format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
format->fmt.pix.field = V4L2_FIELD_INTERLACED;
- em28xx_videodbg("%s: returned %dx%d (%d, %d)",
+ em28xx_videodbg("%s: returned %dx%d (%d, %d)\n",
cmd ==
VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
"VIDIOC_S_FMT", format->fmt.pix.width,
@@ -1359,13 +1368,13 @@ static int em28xx_video_do_ioctl(struct
for (i = 0; i < dev->num_frames; i++)
if (dev->frame[i].vma_use_count) {
em28xx_videodbg("VIDIOC_S_FMT failed. "
- "Unmap the buffers first.");
+ "Unmap the buffers first.\n");
return -EINVAL;
}
/* stop io in case it is already in progress */
if (dev->stream == STREAM_ON) {
- em28xx_videodbg("VIDIOC_SET_FMT: interupting stream");
+ em28xx_videodbg("VIDIOC_SET_FMT: interupting stream\n");
if ((ret = em28xx_stream_interrupt(dev)))
return ret;
}
@@ -1405,18 +1414,18 @@ static int em28xx_video_do_ioctl(struct
if (dev->io == IO_READ) {
em28xx_videodbg ("method is set to read;"
" close and open the device again to"
- " choose the mmap I/O method");
+ " choose the mmap I/O method\n");
return -EINVAL;
}
for (i = 0; i < dev->num_frames; i++)
if (dev->frame[i].vma_use_count) {
- em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped");
+ em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped\n");
return -EINVAL;
}
if (dev->stream == STREAM_ON) {
- em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream");
+ em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n");
if ((ret = em28xx_stream_interrupt(dev)))
return ret;
}
@@ -1430,7 +1439,7 @@ static int em28xx_video_do_ioctl(struct
dev->frame_current = NULL;
- em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i",
+ em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i\n",
rb->count);
dev->io = rb->count ? IO_MMAP : IO_NONE;
return 0;
--- hg.orig/drivers/media/video/msp3400.c
+++ hg/drivers/media/video/msp3400.c
@@ -90,6 +90,8 @@ struct msp3400c {
int stereo;
int nicam_on;
int acb;
+ int in_scart;
+ int i2s_mode;
int main, second; /* sound carrier */
int input;
int source; /* see msp34xxg_set_source */
@@ -364,12 +366,40 @@ static struct CARRIER_DETECT carrier_det
#define CARRIER_COUNT(x) (sizeof(x)/sizeof(struct CARRIER_DETECT))
-/* ----------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- *
+ * bits 9 8 5 - SCART DSP input Select:
+ * 0 0 0 - SCART 1 to DSP input (reset position)
+ * 0 1 0 - MONO to DSP input
+ * 1 0 0 - SCART 2 to DSP input
+ * 1 1 1 - Mute DSP input
+ *
+ * bits 11 10 6 - SCART 1 Output Select:
+ * 0 0 0 - undefined (reset position)
+ * 0 1 0 - SCART 2 Input to SCART 1 Output (for devices with 2 SCARTS)
+ * 1 0 0 - MONO input to SCART 1 Output
+ * 1 1 0 - SCART 1 DA to SCART 1 Output
+ * 0 0 1 - SCART 2 DA to SCART 1 Output
+ * 0 1 1 - SCART 1 Input to SCART 1 Output
+ * 1 1 1 - Mute SCART 1 Output
+ *
+ * bits 13 12 7 - SCART 2 Output Select (for devices with 2 Output SCART):
+ * 0 0 0 - SCART 1 DA to SCART 2 Output (reset position)
+ * 0 1 0 - SCART 1 Input to SCART 2 Output
+ * 1 0 0 - MONO input to SCART 2 Output
+ * 0 0 1 - SCART 2 DA to SCART 2 Output
+ * 0 1 1 - SCART 2 Input to SCART 2 Output
+ * 1 1 0 - Mute SCART 2 Output
+ *
+ * Bits 4 to 0 should be zero.
+ * ----------------------------------------------------------------------- */
static int scarts[3][9] = {
/* MASK IN1 IN2 IN1_DA IN2_DA IN3 IN4 MONO MUTE */
+ /* SCART DSP Input select */
{ 0x0320, 0x0000, 0x0200, -1, -1, 0x0300, 0x0020, 0x0100, 0x0320 },
+ /* SCART1 Output select */
{ 0x0c40, 0x0440, 0x0400, 0x0c00, 0x0040, 0x0000, 0x0840, 0x0800, 0x0c40 },
+ /* SCART2 Output select */
{ 0x3080, 0x1000, 0x1080, 0x0000, 0x0080, 0x2080, 0x3080, 0x2000, 0x3000 },
};
@@ -381,13 +411,23 @@ static void msp3400c_set_scart(struct i2
{
struct msp3400c *msp = i2c_get_clientdata(client);
- if (-1 == scarts[out][in])
- return;
+ msp->in_scart=in;
+
+ if (in<=2) {
+ if (-1 == scarts[out][in])
+ return;
+
+ msp->acb &= ~scarts[out][SCART_MASK];
+ msp->acb |= scarts[out][in];
+ } else
+ msp->acb = 0xf60; /* Mute Input and SCART 1 Output */
+
+ dprintk("msp34xx: scart switch: %s => %d (ACB=0x%04x)\n",
+ scart_names[in], out, msp->acb);
+ msp3400c_write(client,I2C_MSP3400C_DFP, 0x13, msp->acb);
- dprintk("msp34xx: scart switch: %s => %d\n", scart_names[in], out);
- msp->acb &= ~scarts[out][SCART_MASK];
- msp->acb |= scarts[out][in];
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0013, msp->acb);
+ /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
+ msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
}
/* ------------------------------------------------------------------------ */
@@ -1235,7 +1275,8 @@ static int msp3410d_thread(void *data)
msp3400c_setbass(client, msp->bass);
msp3400c_settreble(client, msp->treble);
msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
- msp3400c_write(client, I2C_MSP3400C_DFP, 0x0013, msp->acb);
+ msp3400c_write(client, I2C_MSP3400C_DFP, 0x13, msp->acb);
+ msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
msp3400c_restore_dfp(client);
/* monitor tv audio mode */
@@ -1275,6 +1316,8 @@ static int msp34xxg_reset(struct i2c_cli
0x0f20 /* mute DSP input, mute SCART 1 */))
return -1;
+ msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
+
/* step-by-step initialisation, as described in the manual */
modus = msp34xx_modus(msp->norm);
std = msp34xx_standard(msp->norm);
@@ -1371,6 +1414,8 @@ static int msp34xxg_thread(void *data)
0x13, /* ACB */
msp->acb))
return -1;
+
+ msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
}
dprintk("msp34xxg: thread: exit\n");
return 0;
@@ -1539,6 +1584,7 @@ static int msp_attach(struct i2c_adapter
msp->treble = 32768;
msp->input = -1;
msp->muted = 0;
+ msp->i2s_mode = 0;
for (i = 0; i < DFP_COUNT; i++)
msp->dfp_regs[i] = -1;
@@ -1735,6 +1781,7 @@ static void msp_any_set_audmode(struct i
}
}
+
static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct msp3400c *msp = i2c_get_clientdata(client);
@@ -1745,6 +1792,7 @@ static int msp_command(struct i2c_client
case AUDC_SET_INPUT:
dprintk("msp34xx: AUDC_SET_INPUT(%d)\n",*sarg);
+
if (*sarg == msp->input)
break;
msp->input = *sarg;
@@ -1923,6 +1971,16 @@ static int msp_command(struct i2c_client
break;
}
+ /* msp34xx specific */
+ case MSP_SET_MATRIX:
+ {
+ struct msp_matrix *mspm = arg;
+
+ dprintk("msp34xx: MSP_SET_MATRIX\n");
+ msp3400c_set_scart(client, mspm->input, mspm->output);
+ break;
+ }
+
/* --- v4l2 ioctls --- */
case VIDIOC_S_STD:
{
@@ -1941,6 +1999,33 @@ static int msp_command(struct i2c_client
return 0;
}
+ case VIDIOC_ENUMINPUT:
+ {
+ struct v4l2_input *i = arg;
+
+ if (i->index != 0)
+ return -EINVAL;
+
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ switch (i->index) {
+ case AUDIO_RADIO:
+ strcpy(i->name,"Radio");
+ break;
+ case AUDIO_EXTERN_1:
+ strcpy(i->name,"Extern 1");
+ break;
+ case AUDIO_EXTERN_2:
+ strcpy(i->name,"Extern 2");
+ break;
+ case AUDIO_TUNER:
+ strcpy(i->name,"Television");
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+ }
+
case VIDIOC_G_AUDIO:
{
struct v4l2_audio *a = arg;
@@ -2032,13 +2117,44 @@ static int msp_command(struct i2c_client
break;
}
- /* msp34xx specific */
- case MSP_SET_MATRIX:
+ case VIDIOC_G_AUDOUT:
{
- struct msp_matrix *mspm = arg;
+ struct v4l2_audioout *a=(struct v4l2_audioout *)arg;
+
+ memset(a,0,sizeof(*a));
+
+ switch (a->index) {
+ case 0:
+ strcpy(a->name,"Scart1 Out");
+ break;
+ case 1:
+ strcpy(a->name,"Scart2 Out");
+ break;
+ case 2:
+ strcpy(a->name,"I2S Out");
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+
+ }
+ case VIDIOC_S_AUDOUT:
+ {
+ struct v4l2_audioout *a=(struct v4l2_audioout *)arg;
+
+ if (a->index<0||a->index>2)
+ return -EINVAL;
+
+ if (a->index==2) {
+ if (a->mode == V4L2_AUDMODE_32BITS)
+ msp->i2s_mode=1;
+ else
+ msp->i2s_mode=0;
+ }
+printk("Setting audio out on msp34xx to input %i, mode %i\n",a->index,msp->i2s_mode);
+ msp3400c_set_scart(client,msp->in_scart,a->index);
- dprintk("msp34xx: MSP_SET_MATRIX\n");
- msp3400c_set_scart(client, mspm->input, mspm->output);
break;
}
--- hg.orig/include/linux/videodev2.h
+++ hg/include/linux/videodev2.h
@@ -885,6 +885,7 @@ struct v4l2_audio
/* Flags for the 'mode' field */
#define V4L2_AUDMODE_AVL 0x00001
+#define V4L2_AUDMODE_32BITS 0x00002
struct v4l2_audioout
{
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