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-rw-r--r--drivers/media/usb/airspy/airspy.c172
1 files changed, 61 insertions, 111 deletions
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index dee1fe2669a6..de9fc52d3763 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -107,6 +107,7 @@ struct airspy {
#define USB_STATE_URB_BUF (1 << 3)
unsigned long flags;
+ struct device *dev;
struct usb_device *udev;
struct video_device vdev;
struct v4l2_device v4l2_dev;
@@ -154,16 +155,15 @@ struct airspy {
unsigned int sample_measured;
};
-#define airspy_dbg_usb_control_msg(_udev, _r, _t, _v, _i, _b, _l) { \
+#define airspy_dbg_usb_control_msg(_dev, _r, _t, _v, _i, _b, _l) { \
char *_direction; \
if (_t & USB_DIR_IN) \
_direction = "<<<"; \
else \
_direction = ">>>"; \
- dev_dbg(&_udev->dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x " \
- "%s %*ph\n", __func__, _t, _r, _v & 0xff, _v >> 8, \
- _i & 0xff, _i >> 8, _l & 0xff, _l >> 8, _direction, \
- _l, _b); \
+ dev_dbg(_dev, "%02x %02x %02x %02x %02x %02x %02x %02x %s %*ph\n", \
+ _t, _r, _v & 0xff, _v >> 8, _i & 0xff, _i >> 8, \
+ _l & 0xff, _l >> 8, _direction, _l, _b); \
}
/* execute firmware command */
@@ -192,7 +192,7 @@ static int airspy_ctrl_msg(struct airspy *s, u8 request, u16 value, u16 index,
requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
break;
default:
- dev_err(&s->udev->dev, "Unknown command %02x\n", request);
+ dev_err(s->dev, "Unknown command %02x\n", request);
ret = -EINVAL;
goto err;
}
@@ -203,11 +203,10 @@ static int airspy_ctrl_msg(struct airspy *s, u8 request, u16 value, u16 index,
ret = usb_control_msg(s->udev, pipe, request, requesttype, value,
index, s->buf, size, 1000);
- airspy_dbg_usb_control_msg(s->udev, request, requesttype, value,
+ airspy_dbg_usb_control_msg(s->dev, request, requesttype, value,
index, s->buf, size);
if (ret < 0) {
- dev_err(&s->udev->dev,
- "usb_control_msg() failed %d request %02x\n",
+ dev_err(s->dev, "usb_control_msg() failed %d request %02x\n",
ret, request);
goto err;
}
@@ -258,8 +257,7 @@ static unsigned int airspy_convert_stream(struct airspy *s,
s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
s->sample_measured = s->sample;
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sample rate=%lu\n",
+ dev_dbg(s->dev, "slen=%d samples=%u msecs=%lu sample rate=%lu\n",
src_len, samples, MSECS,
samples * 1000UL / MSECS);
}
@@ -279,9 +277,8 @@ static void airspy_urb_complete(struct urb *urb)
struct airspy *s = urb->context;
struct airspy_frame_buf *fbuf;
- dev_dbg_ratelimited(&s->udev->dev,
- "%s: status=%d length=%d/%d errors=%d\n",
- __func__, urb->status, urb->actual_length,
+ dev_dbg_ratelimited(s->dev, "status=%d length=%d/%d errors=%d\n",
+ urb->status, urb->actual_length,
urb->transfer_buffer_length, urb->error_count);
switch (urb->status) {
@@ -293,8 +290,7 @@ static void airspy_urb_complete(struct urb *urb)
case -ESHUTDOWN:
return;
default: /* error */
- dev_err_ratelimited(&s->udev->dev, "URB failed %d\n",
- urb->status);
+ dev_err_ratelimited(s->dev, "URB failed %d\n", urb->status);
break;
}
@@ -305,7 +301,7 @@ static void airspy_urb_complete(struct urb *urb)
fbuf = airspy_get_next_fill_buf(s);
if (unlikely(fbuf == NULL)) {
s->vb_full++;
- dev_notice_ratelimited(&s->udev->dev,
+ dev_notice_ratelimited(s->dev,
"videobuf is full, %d packets dropped\n",
s->vb_full);
goto skip;
@@ -329,7 +325,7 @@ static int airspy_kill_urbs(struct airspy *s)
int i;
for (i = s->urbs_submitted - 1; i >= 0; i--) {
- dev_dbg(&s->udev->dev, "%s: kill urb=%d\n", __func__, i);
+ dev_dbg(s->dev, "kill urb=%d\n", i);
/* stop the URB */
usb_kill_urb(s->urb_list[i]);
}
@@ -343,11 +339,10 @@ static int airspy_submit_urbs(struct airspy *s)
int i, ret;
for (i = 0; i < s->urbs_initialized; i++) {
- dev_dbg(&s->udev->dev, "%s: submit urb=%d\n", __func__, i);
+ dev_dbg(s->dev, "submit urb=%d\n", i);
ret = usb_submit_urb(s->urb_list[i], GFP_ATOMIC);
if (ret) {
- dev_err(&s->udev->dev,
- "Could not submit URB no. %d - get them all back\n",
+ dev_err(s->dev, "Could not submit URB no. %d - get them all back\n",
i);
airspy_kill_urbs(s);
return ret;
@@ -363,8 +358,7 @@ static int airspy_free_stream_bufs(struct airspy *s)
if (s->flags & USB_STATE_URB_BUF) {
while (s->buf_num) {
s->buf_num--;
- dev_dbg(&s->udev->dev, "%s: free buf=%d\n",
- __func__, s->buf_num);
+ dev_dbg(s->dev, "free buf=%d\n", s->buf_num);
usb_free_coherent(s->udev, s->buf_size,
s->buf_list[s->buf_num],
s->dma_addr[s->buf_num]);
@@ -380,23 +374,20 @@ static int airspy_alloc_stream_bufs(struct airspy *s)
s->buf_num = 0;
s->buf_size = BULK_BUFFER_SIZE;
- dev_dbg(&s->udev->dev,
- "%s: all in all I will use %u bytes for streaming\n",
- __func__, MAX_BULK_BUFS * BULK_BUFFER_SIZE);
+ dev_dbg(s->dev, "all in all I will use %u bytes for streaming\n",
+ MAX_BULK_BUFS * BULK_BUFFER_SIZE);
for (s->buf_num = 0; s->buf_num < MAX_BULK_BUFS; s->buf_num++) {
s->buf_list[s->buf_num] = usb_alloc_coherent(s->udev,
BULK_BUFFER_SIZE, GFP_ATOMIC,
&s->dma_addr[s->buf_num]);
if (!s->buf_list[s->buf_num]) {
- dev_dbg(&s->udev->dev, "%s: alloc buf=%d failed\n",
- __func__, s->buf_num);
+ dev_dbg(s->dev, "alloc buf=%d failed\n", s->buf_num);
airspy_free_stream_bufs(s);
return -ENOMEM;
}
- dev_dbg(&s->udev->dev, "%s: alloc buf=%d %p (dma %llu)\n",
- __func__, s->buf_num,
+ dev_dbg(s->dev, "alloc buf=%d %p (dma %llu)\n", s->buf_num,
s->buf_list[s->buf_num],
(long long)s->dma_addr[s->buf_num]);
s->flags |= USB_STATE_URB_BUF;
@@ -413,8 +404,7 @@ static int airspy_free_urbs(struct airspy *s)
for (i = s->urbs_initialized - 1; i >= 0; i--) {
if (s->urb_list[i]) {
- dev_dbg(&s->udev->dev, "%s: free urb=%d\n",
- __func__, i);
+ dev_dbg(s->dev, "free urb=%d\n", i);
/* free the URBs */
usb_free_urb(s->urb_list[i]);
}
@@ -430,10 +420,10 @@ static int airspy_alloc_urbs(struct airspy *s)
/* allocate the URBs */
for (i = 0; i < MAX_BULK_BUFS; i++) {
- dev_dbg(&s->udev->dev, "%s: alloc urb=%d\n", __func__, i);
+ dev_dbg(s->dev, "alloc urb=%d\n", i);
s->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
if (!s->urb_list[i]) {
- dev_dbg(&s->udev->dev, "%s: failed\n", __func__);
+ dev_dbg(s->dev, "failed\n");
for (j = 0; j < i; j++)
usb_free_urb(s->urb_list[j]);
return -ENOMEM;
@@ -458,7 +448,7 @@ static void airspy_cleanup_queued_bufs(struct airspy *s)
{
unsigned long flags = 0;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
+ dev_dbg(s->dev, "\n");
spin_lock_irqsave(&s->queued_bufs_lock, flags);
while (!list_empty(&s->queued_bufs)) {
@@ -478,7 +468,7 @@ static void airspy_disconnect(struct usb_interface *intf)
struct v4l2_device *v = usb_get_intfdata(intf);
struct airspy *s = container_of(v, struct airspy, v4l2_dev);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
+ dev_dbg(s->dev, "\n");
mutex_lock(&s->vb_queue_lock);
mutex_lock(&s->v4l2_lock);
@@ -499,7 +489,7 @@ static int airspy_queue_setup(struct vb2_queue *vq,
{
struct airspy *s = vb2_get_drv_priv(vq);
- dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers);
+ dev_dbg(s->dev, "nbuffers=%d\n", *nbuffers);
/* Need at least 8 buffers */
if (vq->num_buffers + *nbuffers < 8)
@@ -507,8 +497,7 @@ static int airspy_queue_setup(struct vb2_queue *vq,
*nplanes = 1;
sizes[0] = PAGE_ALIGN(s->buffersize);
- dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n",
- __func__, *nbuffers, sizes[0]);
+ dev_dbg(s->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]);
return 0;
}
@@ -535,7 +524,7 @@ static int airspy_start_streaming(struct vb2_queue *vq, unsigned int count)
struct airspy *s = vb2_get_drv_priv(vq);
int ret;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
+ dev_dbg(s->dev, "\n");
if (!s->udev)
return -ENODEV;
@@ -594,7 +583,7 @@ static void airspy_stop_streaming(struct vb2_queue *vq)
{
struct airspy *s = vb2_get_drv_priv(vq);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
+ dev_dbg(s->dev, "\n");
mutex_lock(&s->v4l2_lock);
@@ -626,8 +615,6 @@ static int airspy_querycap(struct file *file, void *fh,
{
struct airspy *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
strlcpy(cap->card, s->vdev.name, sizeof(cap->card));
usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info));
@@ -641,10 +628,6 @@ static int airspy_querycap(struct file *file, void *fh,
static int airspy_enum_fmt_sdr_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
- struct airspy *s = video_drvdata(file);
-
- dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, f->index);
-
if (f->index >= NUM_FORMATS)
return -EINVAL;
@@ -659,9 +642,6 @@ static int airspy_g_fmt_sdr_cap(struct file *file, void *priv,
{
struct airspy *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&s->pixelformat);
-
f->fmt.sdr.pixelformat = s->pixelformat;
f->fmt.sdr.buffersize = s->buffersize;
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
@@ -676,9 +656,6 @@ static int airspy_s_fmt_sdr_cap(struct file *file, void *priv,
struct vb2_queue *q = &s->vb_queue;
int i;
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&f->fmt.sdr.pixelformat);
-
if (vb2_is_busy(q))
return -EBUSY;
@@ -703,12 +680,8 @@ static int airspy_s_fmt_sdr_cap(struct file *file, void *priv,
static int airspy_try_fmt_sdr_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct airspy *s = video_drvdata(file);
int i;
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&f->fmt.sdr.pixelformat);
-
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
for (i = 0; i < NUM_FORMATS; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
@@ -726,11 +699,8 @@ static int airspy_try_fmt_sdr_cap(struct file *file, void *priv,
static int airspy_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *v)
{
- struct airspy *s = video_drvdata(file);
int ret;
- dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index);
-
if (v->index == 0)
ret = 0;
else if (v->index == 1)
@@ -743,11 +713,8 @@ static int airspy_s_tuner(struct file *file, void *priv,
static int airspy_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
{
- struct airspy *s = video_drvdata(file);
int ret;
- dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index);
-
if (v->index == 0) {
strlcpy(v->name, "AirSpy ADC", sizeof(v->name));
v->type = V4L2_TUNER_ADC;
@@ -773,18 +740,18 @@ static int airspy_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct airspy *s = video_drvdata(file);
- int ret = 0;
-
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n",
- __func__, f->tuner, f->type);
+ int ret;
if (f->tuner == 0) {
f->type = V4L2_TUNER_ADC;
f->frequency = s->f_adc;
+ dev_dbg(s->dev, "ADC frequency=%u Hz\n", s->f_adc);
ret = 0;
} else if (f->tuner == 1) {
f->type = V4L2_TUNER_RF;
f->frequency = s->f_rf;
+ dev_dbg(s->dev, "RF frequency=%u Hz\n", s->f_rf);
+ ret = 0;
} else {
ret = -EINVAL;
}
@@ -799,22 +766,17 @@ static int airspy_s_frequency(struct file *file, void *priv,
int ret;
u8 buf[4];
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n",
- __func__, f->tuner, f->type, f->frequency);
-
if (f->tuner == 0) {
s->f_adc = clamp_t(unsigned int, f->frequency,
bands[0].rangelow,
bands[0].rangehigh);
- dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n",
- __func__, s->f_adc);
+ dev_dbg(s->dev, "ADC frequency=%u Hz\n", s->f_adc);
ret = 0;
} else if (f->tuner == 1) {
s->f_rf = clamp_t(unsigned int, f->frequency,
bands_rf[0].rangelow,
bands_rf[0].rangehigh);
- dev_dbg(&s->udev->dev, "%s: RF frequency=%u Hz\n",
- __func__, s->f_rf);
+ dev_dbg(s->dev, "RF frequency=%u Hz\n", s->f_rf);
buf[0] = (s->f_rf >> 0) & 0xff;
buf[1] = (s->f_rf >> 8) & 0xff;
buf[2] = (s->f_rf >> 16) & 0xff;
@@ -830,12 +792,8 @@ static int airspy_s_frequency(struct file *file, void *priv,
static int airspy_enum_freq_bands(struct file *file, void *priv,
struct v4l2_frequency_band *band)
{
- struct airspy *s = video_drvdata(file);
int ret;
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n",
- __func__, band->tuner, band->type, band->index);
-
if (band->tuner == 0) {
if (band->index >= ARRAY_SIZE(bands)) {
ret = -EINVAL;
@@ -918,10 +876,9 @@ static int airspy_set_lna_gain(struct airspy *s)
int ret;
u8 u8tmp;
- dev_dbg(&s->udev->dev, "%s: lna auto=%d->%d val=%d->%d\n",
- __func__, s->lna_gain_auto->cur.val,
- s->lna_gain_auto->val, s->lna_gain->cur.val,
- s->lna_gain->val);
+ dev_dbg(s->dev, "lna auto=%d->%d val=%d->%d\n",
+ s->lna_gain_auto->cur.val, s->lna_gain_auto->val,
+ s->lna_gain->cur.val, s->lna_gain->val);
ret = airspy_ctrl_msg(s, CMD_SET_LNA_AGC, 0, s->lna_gain_auto->val,
&u8tmp, 1);
@@ -936,7 +893,7 @@ static int airspy_set_lna_gain(struct airspy *s)
}
err:
if (ret)
- dev_dbg(&s->udev->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(s->dev, "failed=%d\n", ret);
return ret;
}
@@ -946,10 +903,9 @@ static int airspy_set_mixer_gain(struct airspy *s)
int ret;
u8 u8tmp;
- dev_dbg(&s->udev->dev, "%s: mixer auto=%d->%d val=%d->%d\n",
- __func__, s->mixer_gain_auto->cur.val,
- s->mixer_gain_auto->val, s->mixer_gain->cur.val,
- s->mixer_gain->val);
+ dev_dbg(s->dev, "mixer auto=%d->%d val=%d->%d\n",
+ s->mixer_gain_auto->cur.val, s->mixer_gain_auto->val,
+ s->mixer_gain->cur.val, s->mixer_gain->val);
ret = airspy_ctrl_msg(s, CMD_SET_MIXER_AGC, 0, s->mixer_gain_auto->val,
&u8tmp, 1);
@@ -964,7 +920,7 @@ static int airspy_set_mixer_gain(struct airspy *s)
}
err:
if (ret)
- dev_dbg(&s->udev->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(s->dev, "failed=%d\n", ret);
return ret;
}
@@ -974,8 +930,7 @@ static int airspy_set_if_gain(struct airspy *s)
int ret;
u8 u8tmp;
- dev_dbg(&s->udev->dev, "%s: val=%d->%d\n",
- __func__, s->if_gain->cur.val, s->if_gain->val);
+ dev_dbg(s->dev, "val=%d->%d\n", s->if_gain->cur.val, s->if_gain->val);
ret = airspy_ctrl_msg(s, CMD_SET_VGA_GAIN, 0, s->if_gain->val,
&u8tmp, 1);
@@ -983,7 +938,7 @@ static int airspy_set_if_gain(struct airspy *s)
goto err;
err:
if (ret)
- dev_dbg(&s->udev->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(s->dev, "failed=%d\n", ret);
return ret;
}
@@ -1006,8 +961,8 @@ static int airspy_s_ctrl(struct v4l2_ctrl *ctrl)
ret = airspy_set_if_gain(s);
break;
default:
- dev_dbg(&s->udev->dev, "%s: unknown ctrl: id=%d name=%s\n",
- __func__, ctrl->id, ctrl->name);
+ dev_dbg(s->dev, "unknown ctrl: id=%d name=%s\n",
+ ctrl->id, ctrl->name);
ret = -EINVAL;
}
@@ -1021,15 +976,13 @@ static const struct v4l2_ctrl_ops airspy_ctrl_ops = {
static int airspy_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct airspy *s = NULL;
+ struct airspy *s;
int ret;
u8 u8tmp, buf[BUF_SIZE];
s = kzalloc(sizeof(struct airspy), GFP_KERNEL);
if (s == NULL) {
- dev_err(&udev->dev,
- "Could not allocate memory for airspy state\n");
+ dev_err(&intf->dev, "Could not allocate memory for state\n");
return -ENOMEM;
}
@@ -1037,7 +990,8 @@ static int airspy_probe(struct usb_interface *intf,
mutex_init(&s->vb_queue_lock);
spin_lock_init(&s->queued_bufs_lock);
INIT_LIST_HEAD(&s->queued_bufs);
- s->udev = udev;
+ s->dev = &intf->dev;
+ s->udev = interface_to_usbdev(intf);
s->f_adc = bands[0].rangelow;
s->f_rf = bands_rf[0].rangelow;
s->pixelformat = formats[0].pixelformat;
@@ -1049,14 +1003,14 @@ static int airspy_probe(struct usb_interface *intf,
ret = airspy_ctrl_msg(s, CMD_VERSION_STRING_READ, 0, 0,
buf, BUF_SIZE);
if (ret) {
- dev_err(&s->udev->dev, "Could not detect board\n");
+ dev_err(s->dev, "Could not detect board\n");
goto err_free_mem;
}
buf[BUF_SIZE - 1] = '\0';
- dev_info(&s->udev->dev, "Board ID: %02x\n", u8tmp);
- dev_info(&s->udev->dev, "Firmware version: %s\n", buf);
+ dev_info(s->dev, "Board ID: %02x\n", u8tmp);
+ dev_info(s->dev, "Firmware version: %s\n", buf);
/* Init videobuf2 queue structure */
s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
@@ -1068,7 +1022,7 @@ static int airspy_probe(struct usb_interface *intf,
s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
ret = vb2_queue_init(&s->vb_queue);
if (ret) {
- dev_err(&s->udev->dev, "Could not initialize vb2 queue\n");
+ dev_err(s->dev, "Could not initialize vb2 queue\n");
goto err_free_mem;
}
@@ -1082,8 +1036,7 @@ static int airspy_probe(struct usb_interface *intf,
s->v4l2_dev.release = airspy_video_release;
ret = v4l2_device_register(&intf->dev, &s->v4l2_dev);
if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register v4l2-device (%d)\n", ret);
+ dev_err(s->dev, "Failed to register v4l2-device (%d)\n", ret);
goto err_free_mem;
}
@@ -1103,7 +1056,7 @@ static int airspy_probe(struct usb_interface *intf,
V4L2_CID_RF_TUNER_IF_GAIN, 0, 15, 1, 0);
if (s->hdl.error) {
ret = s->hdl.error;
- dev_err(&s->udev->dev, "Could not initialize controls\n");
+ dev_err(s->dev, "Could not initialize controls\n");
goto err_free_controls;
}
@@ -1115,16 +1068,13 @@ static int airspy_probe(struct usb_interface *intf,
ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1);
if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register as video device (%d)\n",
+ dev_err(s->dev, "Failed to register as video device (%d)\n",
ret);
goto err_unregister_v4l2_dev;
}
- dev_info(&s->udev->dev, "Registered as %s\n",
+ dev_info(s->dev, "Registered as %s\n",
video_device_node_name(&s->vdev));
- dev_notice(&s->udev->dev,
- "%s: SDR API is still slightly experimental and functionality changes may follow\n",
- KBUILD_MODNAME);
+ dev_notice(s->dev, "SDR API is still slightly experimental and functionality changes may follow\n");
return 0;
err_free_controls:

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