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synced 2024-12-25 05:34:00 +08:00
media: em28xx: stop rewriting device's struct
Writing at the device's struct is evil, as two em28xx devices may be using it. So, stop abusing it, storing the values inside struct em28xx_dev. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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6cda90b63e
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@ -2712,6 +2712,8 @@ static inline void em28xx_set_xclk_i2c_speed(struct em28xx *dev)
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static inline void em28xx_set_model(struct em28xx *dev)
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{
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dev->board = em28xx_boards[dev->model];
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dev->has_msp34xx = dev->board.has_msp34xx;
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dev->is_webcam = dev->board.is_webcam;
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em28xx_set_xclk_i2c_speed(dev);
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@ -2871,7 +2873,7 @@ static int em28xx_hint_board(struct em28xx *dev)
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{
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int i;
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if (dev->board.is_webcam) {
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if (dev->is_webcam) {
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if (dev->em28xx_sensor == EM28XX_MT9V011) {
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dev->model = EM2820_BOARD_SILVERCREST_WEBCAM;
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} else if (dev->em28xx_sensor == EM28XX_MT9M001 ||
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@ -2963,11 +2965,11 @@ static void em28xx_card_setup(struct em28xx *dev)
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* If the device can be a webcam, seek for a sensor.
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* If sensor is not found, then it isn't a webcam.
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*/
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if (dev->board.is_webcam) {
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if (dev->is_webcam) {
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em28xx_detect_sensor(dev);
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if (dev->em28xx_sensor == EM28XX_NOSENSOR)
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/* NOTE: error/unknown sensor/no sensor */
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dev->board.is_webcam = 0;
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dev->is_webcam = 0;
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}
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switch (dev->model) {
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@ -3029,7 +3031,7 @@ static void em28xx_card_setup(struct em28xx *dev)
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if (tv.audio_processor == TVEEPROM_AUDPROC_MSP) {
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dev->i2s_speed = 2048000;
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dev->board.has_msp34xx = 1;
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dev->has_msp34xx = 1;
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}
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break;
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}
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@ -3742,7 +3744,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
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}
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if (usb_xfer_mode < 0) {
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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try_bulk = 1;
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else
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try_bulk = 0;
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@ -3794,7 +3796,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
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dev->dev_next->board.has_ir_i2c = 0; /* No IR for 2nd tuner */
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if (usb_xfer_mode < 0) {
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if (dev->dev_next->board.is_webcam)
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if (dev->dev_next->is_webcam)
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try_bulk = 1;
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else
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try_bulk = 0;
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@ -378,7 +378,7 @@ static int em28xx_set_audio_source(struct em28xx *dev)
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return ret;
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}
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if (dev->board.has_msp34xx)
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if (dev->has_msp34xx)
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input = EM28XX_AUDIO_SRC_TUNER;
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else {
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switch (dev->ctl_ainput) {
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@ -672,7 +672,7 @@ int em28xx_capture_start(struct em28xx *dev, int start)
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return rc;
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if (start) {
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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rc = em28xx_write_reg(dev, 0x13, 0x0c);
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/* Enable video capture */
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@ -148,7 +148,7 @@ static inline unsigned int norm_maxw(struct em28xx *dev)
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{
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struct em28xx_v4l2 *v4l2 = dev->v4l2;
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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return v4l2->sensor_xres;
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if (dev->board.max_range_640_480)
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@ -161,7 +161,7 @@ static inline unsigned int norm_maxh(struct em28xx *dev)
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{
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struct em28xx_v4l2 *v4l2 = dev->v4l2;
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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return v4l2->sensor_yres;
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if (dev->board.max_range_640_480)
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@ -176,7 +176,7 @@ static int em28xx_vbi_supported(struct em28xx *dev)
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if (disable_vbi == 1)
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return 0;
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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return 0;
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/* FIXME: check subdevices for VBI support */
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@ -976,7 +976,7 @@ static void em28xx_v4l2_create_entities(struct em28xx *dev)
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}
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/* Webcams don't have input connectors */
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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return;
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/* Create entities for each input connector */
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@ -1277,7 +1277,7 @@ static void video_mux(struct em28xx *dev, int index)
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v4l2_device_call_all(v4l2_dev, 0, video, s_routing,
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INPUT(index)->vmux, 0, 0);
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if (dev->board.has_msp34xx) {
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if (dev->has_msp34xx) {
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if (dev->i2s_speed) {
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v4l2_device_call_all(v4l2_dev, 0, audio,
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s_i2s_clock_freq, dev->i2s_speed);
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@ -1593,7 +1593,7 @@ static int vidioc_g_parm(struct file *file, void *priv,
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p->parm.capture.readbuffers = EM28XX_MIN_BUF;
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p->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
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if (dev->board.is_webcam) {
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if (dev->is_webcam) {
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rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0,
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video, g_frame_interval, &ival);
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if (!rc)
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@ -1616,7 +1616,7 @@ static int vidioc_s_parm(struct file *file, void *priv,
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};
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int rc = 0;
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if (!dev->board.is_webcam)
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if (!dev->is_webcam)
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return -ENOTTY;
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if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
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@ -1655,7 +1655,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
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i->std = dev->v4l2->vdev.tvnorms;
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/* webcams do not have the STD API */
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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i->capabilities = 0;
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return 0;
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@ -2369,7 +2369,7 @@ static void em28xx_vdev_init(struct em28xx *dev,
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*vfd = *template;
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vfd->v4l2_dev = &dev->v4l2->v4l2_dev;
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vfd->lock = &dev->lock;
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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vfd->tvnorms = 0;
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snprintf(vfd->name, sizeof(vfd->name), "%s %s",
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@ -2484,7 +2484,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
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v4l2_ctrl_handler_init(hdl, 8);
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v4l2->v4l2_dev.ctrl_handler = hdl;
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if (dev->board.is_webcam)
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if (dev->is_webcam)
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v4l2->progressive = true;
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/*
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@ -2496,7 +2496,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
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/* request some modules */
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if (dev->board.has_msp34xx)
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if (dev->has_msp34xx)
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v4l2_i2c_new_subdev(&v4l2->v4l2_dev,
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&dev->i2c_adap[dev->def_i2c_bus],
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"msp3400", 0, msp3400_addrs);
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@ -2585,7 +2585,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
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INIT_LIST_HEAD(&dev->vidq.active);
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INIT_LIST_HEAD(&dev->vbiq.active);
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if (dev->board.has_msp34xx) {
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if (dev->has_msp34xx) {
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/* Send a reset to other chips via gpio */
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ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7);
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if (ret < 0) {
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@ -2679,7 +2679,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
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v4l2->vdev.queue->lock = &v4l2->vb_queue_lock;
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/* disable inapplicable ioctls */
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if (dev->board.is_webcam) {
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if (dev->is_webcam) {
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v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_QUERYSTD);
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v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_STD);
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v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_STD);
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@ -623,6 +623,8 @@ struct em28xx {
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unsigned char disconnected:1; /* device has been diconnected */
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unsigned int has_video:1;
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unsigned int is_audio_only:1;
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unsigned int is_webcam:1;
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unsigned int has_msp34xx:1;
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enum em28xx_int_audio_type int_audio_type;
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enum em28xx_usb_audio_type usb_audio_type;
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unsigned char name[32];
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