]> git.karo-electronics.de Git - linux-beck.git/commitdiff
[media] rtl2832_sdr: fix logging
authorAntti Palosaari <crope@iki.fi>
Tue, 16 Dec 2014 15:18:01 +0000 (12:18 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 3 Feb 2015 18:17:24 +0000 (16:17 -0200)
Pass correct device, platform device, for logging system in order
to format printouts correctly.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/dvb-frontends/rtl2832_sdr.c

index 6c5b2944ecb2ba9763530e7e2483d8f3f5bfd98d..361b1eb7cbb7ff7177cc99db49f5ce02237f3858 100644 (file)
@@ -224,6 +224,7 @@ leave:
 static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_dev *dev,
                void *dst, const u8 *src, unsigned int src_len)
 {
+       struct platform_device *pdev = dev->pdev;
        unsigned int dst_len;
 
        if (dev->pixelformat ==  V4L2_SDR_FMT_CU8) {
@@ -251,10 +252,9 @@ static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_dev *dev,
 
                dev->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
                dev->sample_measured = dev->sample;
-               dev_dbg(&dev->udev->dev,
-                               "slen=%u samples=%u msecs=%u sample rate=%lu\n",
-                               src_len, samples, msecs,
-                               samples * 1000UL / msecs);
+               dev_dbg(&pdev->dev,
+                       "slen=%u samples=%u msecs=%u sample rate=%lu\n",
+                       src_len, samples, msecs, samples * 1000UL / msecs);
        }
 
        /* total number of I+Q pairs */
@@ -270,12 +270,12 @@ static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_dev *dev,
 static void rtl2832_sdr_urb_complete(struct urb *urb)
 {
        struct rtl2832_sdr_dev *dev = urb->context;
+       struct platform_device *pdev = dev->pdev;
        struct rtl2832_sdr_frame_buf *fbuf;
 
-       dev_dbg_ratelimited(&dev->udev->dev,
-                       "status=%d length=%d/%d errors=%d\n",
-                       urb->status, urb->actual_length,
-                       urb->transfer_buffer_length, urb->error_count);
+       dev_dbg_ratelimited(&pdev->dev, "status=%d length=%d/%d errors=%d\n",
+                           urb->status, urb->actual_length,
+                           urb->transfer_buffer_length, urb->error_count);
 
        switch (urb->status) {
        case 0:             /* success */
@@ -286,8 +286,7 @@ static void rtl2832_sdr_urb_complete(struct urb *urb)
        case -ESHUTDOWN:
                return;
        default:            /* error */
-               dev_err_ratelimited(&dev->udev->dev, "urb failed=%d\n",
-                               urb->status);
+               dev_err_ratelimited(&pdev->dev, "urb failed=%d\n", urb->status);
                break;
        }
 
@@ -298,9 +297,9 @@ static void rtl2832_sdr_urb_complete(struct urb *urb)
                fbuf = rtl2832_sdr_get_next_fill_buf(dev);
                if (unlikely(fbuf == NULL)) {
                        dev->vb_full++;
-                       dev_notice_ratelimited(&dev->udev->dev,
-                                       "videobuf is full, %d packets dropped\n",
-                                       dev->vb_full);
+                       dev_notice_ratelimited(&pdev->dev,
+                                              "videobuf is full, %d packets dropped\n",
+                                              dev->vb_full);
                        goto skip;
                }
 
@@ -319,10 +318,11 @@ skip:
 
 static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        int i;
 
        for (i = dev->urbs_submitted - 1; i >= 0; i--) {
-               dev_dbg(&dev->udev->dev, "kill urb=%d\n", i);
+               dev_dbg(&pdev->dev, "kill urb=%d\n", i);
                /* stop the URB */
                usb_kill_urb(dev->urb_list[i]);
        }
@@ -333,15 +333,16 @@ static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_dev *dev)
 
 static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        int i, ret;
 
        for (i = 0; i < dev->urbs_initialized; i++) {
-               dev_dbg(&dev->udev->dev, "submit urb=%d\n", i);
+               dev_dbg(&pdev->dev, "submit urb=%d\n", i);
                ret = usb_submit_urb(dev->urb_list[i], GFP_ATOMIC);
                if (ret) {
-                       dev_err(&dev->udev->dev,
-                                       "Could not submit urb no. %d - get them all back\n",
-                                       i);
+                       dev_err(&pdev->dev,
+                               "Could not submit urb no. %d - get them all back\n",
+                               i);
                        rtl2832_sdr_kill_urbs(dev);
                        return ret;
                }
@@ -353,10 +354,11 @@ static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_dev *dev)
 
 static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        if (dev->flags & USB_STATE_URB_BUF) {
                while (dev->buf_num) {
                        dev->buf_num--;
-                       dev_dbg(&dev->udev->dev, "free buf=%d\n", dev->buf_num);
+                       dev_dbg(&pdev->dev, "free buf=%d\n", dev->buf_num);
                        usb_free_coherent(dev->udev, dev->buf_size,
                                          dev->buf_list[dev->buf_num],
                                          dev->dma_addr[dev->buf_num]);
@@ -369,26 +371,27 @@ static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_dev *dev)
 
 static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        dev->buf_num = 0;
        dev->buf_size = BULK_BUFFER_SIZE;
 
-       dev_dbg(&dev->udev->dev, "all in all I will use %u bytes for streaming\n",
-                       MAX_BULK_BUFS * BULK_BUFFER_SIZE);
+       dev_dbg(&pdev->dev, "all in all I will use %u bytes for streaming\n",
+               MAX_BULK_BUFS * BULK_BUFFER_SIZE);
 
        for (dev->buf_num = 0; dev->buf_num < MAX_BULK_BUFS; dev->buf_num++) {
                dev->buf_list[dev->buf_num] = usb_alloc_coherent(dev->udev,
                                BULK_BUFFER_SIZE, GFP_ATOMIC,
                                &dev->dma_addr[dev->buf_num]);
                if (!dev->buf_list[dev->buf_num]) {
-                       dev_dbg(&dev->udev->dev, "alloc buf=%d failed\n",
-                                       dev->buf_num);
+                       dev_dbg(&pdev->dev, "alloc buf=%d failed\n",
+                               dev->buf_num);
                        rtl2832_sdr_free_stream_bufs(dev);
                        return -ENOMEM;
                }
 
-               dev_dbg(&dev->udev->dev, "alloc buf=%d %p (dma %llu)\n",
-                               dev->buf_num, dev->buf_list[dev->buf_num],
-                               (long long)dev->dma_addr[dev->buf_num]);
+               dev_dbg(&pdev->dev, "alloc buf=%d %p (dma %llu)\n",
+                       dev->buf_num, dev->buf_list[dev->buf_num],
+                       (long long)dev->dma_addr[dev->buf_num]);
                dev->flags |= USB_STATE_URB_BUF;
        }
 
@@ -397,13 +400,14 @@ static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_dev *dev)
 
 static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        int i;
 
        rtl2832_sdr_kill_urbs(dev);
 
        for (i = dev->urbs_initialized - 1; i >= 0; i--) {
                if (dev->urb_list[i]) {
-                       dev_dbg(&dev->udev->dev, "free urb=%d\n", i);
+                       dev_dbg(&pdev->dev, "free urb=%d\n", i);
                        /* free the URBs */
                        usb_free_urb(dev->urb_list[i]);
                }
@@ -415,14 +419,15 @@ static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_dev *dev)
 
 static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        int i, j;
 
        /* allocate the URBs */
        for (i = 0; i < MAX_BULK_BUFS; i++) {
-               dev_dbg(&dev->udev->dev, "alloc urb=%d\n", i);
+               dev_dbg(&pdev->dev, "alloc urb=%d\n", i);
                dev->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
                if (!dev->urb_list[i]) {
-                       dev_dbg(&dev->udev->dev, "failed\n");
+                       dev_dbg(&pdev->dev, "failed\n");
                        for (j = 0; j < i; j++)
                                usb_free_urb(dev->urb_list[j]);
                        return -ENOMEM;
@@ -445,9 +450,10 @@ static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_dev *dev)
 /* Must be called with vb_queue_lock hold */
 static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        unsigned long flags;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        spin_lock_irqsave(&dev->queued_bufs_lock, flags);
        while (!list_empty(&dev->queued_bufs)) {
@@ -465,8 +471,9 @@ static int rtl2832_sdr_querycap(struct file *file, void *fh,
                struct v4l2_capability *cap)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
        strlcpy(cap->card, dev->vdev.name, sizeof(cap->card));
@@ -483,16 +490,16 @@ static int rtl2832_sdr_queue_setup(struct vb2_queue *vq,
                unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
 {
        struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "nbuffers=%d\n", *nbuffers);
+       dev_dbg(&pdev->dev, "nbuffers=%d\n", *nbuffers);
 
        /* Need at least 8 buffers */
        if (vq->num_buffers + *nbuffers < 8)
                *nbuffers = 8 - vq->num_buffers;
        *nplanes = 1;
        sizes[0] = PAGE_ALIGN(dev->buffersize);
-       dev_dbg(&dev->udev->dev, "nbuffers=%d sizes[0]=%d\n",
-                       *nbuffers, sizes[0]);
+       dev_dbg(&pdev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]);
        return 0;
 }
 
@@ -536,7 +543,7 @@ static int rtl2832_sdr_set_adc(struct rtl2832_sdr_dev *dev)
        u64 u64tmp;
        u32 u32tmp;
 
-       dev_dbg(&dev->udev->dev, "f_adc=%u\n", dev->f_adc);
+       dev_dbg(&pdev->dev, "f_adc=%u\n", dev->f_adc);
 
        if (!test_bit(POWER_ON, &dev->flags))
                return 0;
@@ -570,7 +577,7 @@ static int rtl2832_sdr_set_adc(struct rtl2832_sdr_dev *dev)
        u64tmp = -u64tmp;
        u32tmp = u64tmp & 0x3fffff;
 
-       dev_dbg(&dev->udev->dev, "f_if=%u if_ctl=%08x\n", f_if, u32tmp);
+       dev_dbg(&pdev->dev, "f_if=%u if_ctl=%08x\n", f_if, u32tmp);
 
        buf[0] = (u32tmp >> 16) & 0xff;
        buf[1] = (u32tmp >>  8) & 0xff;
@@ -739,7 +746,7 @@ static int rtl2832_sdr_set_adc(struct rtl2832_sdr_dev *dev)
                ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xf4", 1);
                break;
        default:
-               dev_notice(&dev->udev->dev, "Unsupported tuner\n");
+               dev_notice(&pdev->dev, "Unsupported tuner\n");
        }
 
        /* software reset */
@@ -756,9 +763,10 @@ err:
 
 static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        int ret;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        /* PID filter */
        ret = rtl2832_sdr_wr_regs(dev, 0x061, "\xe0", 1);
@@ -792,6 +800,7 @@ err:
 
 static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        struct dvb_frontend *fe = dev->fe;
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        struct v4l2_ctrl *bandwidth_auto;
@@ -819,8 +828,8 @@ static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_dev *dev)
        c->frequency = dev->f_tuner;
        c->delivery_system = SYS_DVBT;
 
-       dev_dbg(&dev->udev->dev, "frequency=%u bandwidth=%d\n",
-                       c->frequency, c->bandwidth_hz);
+       dev_dbg(&pdev->dev, "frequency=%u bandwidth=%d\n",
+               c->frequency, c->bandwidth_hz);
 
        if (!test_bit(POWER_ON, &dev->flags))
                return 0;
@@ -833,9 +842,10 @@ static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_dev *dev)
 
 static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        struct dvb_frontend *fe = dev->fe;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        if (fe->ops.tuner_ops.init)
                fe->ops.tuner_ops.init(fe);
@@ -845,9 +855,10 @@ static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_dev *dev)
 
 static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_dev *dev)
 {
+       struct platform_device *pdev = dev->pdev;
        struct dvb_frontend *fe = dev->fe;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        if (fe->ops.tuner_ops.sleep)
                fe->ops.tuner_ops.sleep(fe);
@@ -858,9 +869,10 @@ static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_dev *dev)
 static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count)
 {
        struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq);
+       struct platform_device *pdev = dev->pdev;
        int ret;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        if (!dev->udev)
                return -ENODEV;
@@ -912,8 +924,9 @@ err:
 static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq)
 {
        struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        mutex_lock(&dev->v4l2_lock);
 
@@ -950,8 +963,9 @@ static int rtl2832_sdr_g_tuner(struct file *file, void *priv,
                struct v4l2_tuner *v)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "index=%d type=%d\n", v->index, v->type);
+       dev_dbg(&pdev->dev, "index=%d type=%d\n", v->index, v->type);
 
        if (v->index == 0) {
                strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name));
@@ -976,8 +990,9 @@ static int rtl2832_sdr_s_tuner(struct file *file, void *priv,
                const struct v4l2_tuner *v)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        if (v->index > 1)
                return -EINVAL;
@@ -988,9 +1003,10 @@ static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv,
                struct v4l2_frequency_band *band)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "tuner=%d type=%d index=%d\n",
-                       band->tuner, band->type, band->index);
+       dev_dbg(&pdev->dev, "tuner=%d type=%d index=%d\n",
+               band->tuner, band->type, band->index);
 
        if (band->tuner == 0) {
                if (band->index >= ARRAY_SIZE(bands_adc))
@@ -1013,10 +1029,10 @@ static int rtl2832_sdr_g_frequency(struct file *file, void *priv,
                struct v4l2_frequency *f)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
        int ret  = 0;
 
-       dev_dbg(&dev->udev->dev, "tuner=%d type=%d\n",
-                       f->tuner, f->type);
+       dev_dbg(&pdev->dev, "tuner=%d type=%d\n", f->tuner, f->type);
 
        if (f->tuner == 0) {
                f->frequency = dev->f_adc;
@@ -1035,10 +1051,11 @@ static int rtl2832_sdr_s_frequency(struct file *file, void *priv,
                const struct v4l2_frequency *f)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
        int ret, band;
 
-       dev_dbg(&dev->udev->dev, "tuner=%d type=%d frequency=%u\n",
-                       f->tuner, f->type, f->frequency);
+       dev_dbg(&pdev->dev, "tuner=%d type=%d frequency=%u\n",
+               f->tuner, f->type, f->frequency);
 
        /* ADC band midpoints */
        #define BAND_ADC_0 ((bands_adc[0].rangehigh + bands_adc[1].rangelow) / 2)
@@ -1056,13 +1073,13 @@ static int rtl2832_sdr_s_frequency(struct file *file, void *priv,
                                bands_adc[band].rangelow,
                                bands_adc[band].rangehigh);
 
-               dev_dbg(&dev->udev->dev, "ADC frequency=%u Hz\n", dev->f_adc);
+               dev_dbg(&pdev->dev, "ADC frequency=%u Hz\n", dev->f_adc);
                ret = rtl2832_sdr_set_adc(dev);
        } else if (f->tuner == 1) {
                dev->f_tuner = clamp_t(unsigned int, f->frequency,
                                bands_fm[0].rangelow,
                                bands_fm[0].rangehigh);
-               dev_dbg(&dev->udev->dev, "RF frequency=%u Hz\n", f->frequency);
+               dev_dbg(&pdev->dev, "RF frequency=%u Hz\n", f->frequency);
 
                ret = rtl2832_sdr_set_tuner_freq(dev);
        } else {
@@ -1076,8 +1093,9 @@ static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv,
                struct v4l2_fmtdesc *f)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        if (f->index >= dev->num_formats)
                return -EINVAL;
@@ -1092,8 +1110,9 @@ static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv,
                struct v4l2_format *f)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
 
-       dev_dbg(&dev->udev->dev, "\n");
+       dev_dbg(&pdev->dev, "\n");
 
        f->fmt.sdr.pixelformat = dev->pixelformat;
        f->fmt.sdr.buffersize = dev->buffersize;
@@ -1107,11 +1126,12 @@ static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
                struct v4l2_format *f)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
        struct vb2_queue *q = &dev->vb_queue;
        int i;
 
-       dev_dbg(&dev->udev->dev, "pixelformat fourcc %4.4s\n",
-                       (char *)&f->fmt.sdr.pixelformat);
+       dev_dbg(&pdev->dev, "pixelformat fourcc %4.4s\n",
+               (char *)&f->fmt.sdr.pixelformat);
 
        if (vb2_is_busy(q))
                return -EBUSY;
@@ -1138,10 +1158,11 @@ static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
                struct v4l2_format *f)
 {
        struct rtl2832_sdr_dev *dev = video_drvdata(file);
+       struct platform_device *pdev = dev->pdev;
        int i;
 
-       dev_dbg(&dev->udev->dev, "pixelformat fourcc %4.4s\n",
-                       (char *)&f->fmt.sdr.pixelformat);
+       dev_dbg(&pdev->dev, "pixelformat fourcc %4.4s\n",
+               (char *)&f->fmt.sdr.pixelformat);
 
        memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
        for (i = 0; i < dev->num_formats; i++) {
@@ -1210,13 +1231,13 @@ static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl)
                        container_of(ctrl->handler, struct rtl2832_sdr_dev,
                                        hdl);
        struct dvb_frontend *fe = dev->fe;
+       struct platform_device *pdev = dev->pdev;
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        int ret;
 
-       dev_dbg(&dev->udev->dev,
-                       "id=%d name=%s val=%d min=%lld max=%lld step=%lld\n",
-                       ctrl->id, ctrl->name, ctrl->val,
-                       ctrl->minimum, ctrl->maximum, ctrl->step);
+       dev_dbg(&pdev->dev, "id=%d name=%s val=%d min=%lld max=%lld step=%lld\n",
+               ctrl->id, ctrl->name, ctrl->val, ctrl->minimum, ctrl->maximum,
+               ctrl->step);
 
        switch (ctrl->id) {
        case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
@@ -1375,7 +1396,7 @@ static int rtl2832_sdr_probe(struct platform_device *pdev)
 
        /* Register the v4l2_device structure */
        dev->v4l2_dev.release = rtl2832_sdr_video_release;
-       ret = v4l2_device_register(&dev->udev->dev, &dev->v4l2_dev);
+       ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
        if (ret) {
                dev_err(&pdev->dev, "Failed to register v4l2-device %d\n", ret);
                goto err_v4l2_ctrl_handler_free;