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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-video.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c61
1 files changed, 40 insertions, 21 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 8e61b2ca9167..575472f1e702 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -186,7 +186,8 @@ static void em28xx_copy_video(struct em28xx *dev,
em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n",
((char *)startwrite + lencopy) -
((char *)outp + buf->vb.size));
- lencopy = remain = (char *)outp + buf->vb.size - (char *)startwrite;
+ remain = (char *)outp + buf->vb.size - (char *)startwrite;
+ lencopy = remain;
}
if (lencopy <= 0)
return;
@@ -202,7 +203,8 @@ static void em28xx_copy_video(struct em28xx *dev,
else
lencopy = bytesperline;
- if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) {
+ if ((char *)startwrite + lencopy > (char *)outp +
+ buf->vb.size) {
em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n",
((char *)startwrite + lencopy) -
((char *)outp + buf->vb.size));
@@ -347,7 +349,7 @@ static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb)
}
if (p[0] == 0x22 && p[1] == 0x5a) {
em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2],
- len, (p[2] & 1)? "odd" : "even");
+ len, (p[2] & 1) ? "odd" : "even");
if (!(p[2] & 1)) {
if (buf != NULL)
@@ -476,7 +478,9 @@ fail:
static void
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
- struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
+ struct em28xx_buffer *buf = container_of(vb,
+ struct em28xx_buffer,
+ vb);
struct em28xx_fh *fh = vq->priv_data;
struct em28xx *dev = fh->dev;
struct em28xx_dmaqueue *vidq = &dev->vidq;
@@ -489,7 +493,9 @@ buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{
- struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
+ struct em28xx_buffer *buf = container_of(vb,
+ struct em28xx_buffer,
+ vb);
struct em28xx_fh *fh = vq->priv_data;
struct em28xx *dev = (struct em28xx *)fh->dev;
@@ -534,6 +540,13 @@ static void video_mux(struct em28xx *dev, int index)
&route);
}
+ if (dev->board.adecoder != EM28XX_NOADECODER) {
+ route.input = dev->ctl_ainput;
+ route.output = dev->ctl_aoutput;
+ em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING,
+ &route);
+ }
+
em28xx_audio_analog_set(dev);
}
@@ -557,7 +570,7 @@ static int res_get(struct em28xx_fh *fh)
static int res_check(struct em28xx_fh *fh)
{
- return (fh->stream_on);
+ return fh->stream_on;
}
static void res_free(struct em28xx_fh *fh)
@@ -791,7 +804,7 @@ out:
return rc;
}
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm)
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
@@ -1008,8 +1021,13 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
if (dev->board.has_msp34xx)
em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
- else
+ else {
rc = em28xx_get_ctrl(dev, ctrl);
+ if (rc < 0) {
+ em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
+ rc = 0;
+ }
+ }
mutex_unlock(&dev->lock);
return rc;
@@ -1345,7 +1363,7 @@ static int vidioc_querycap(struct file *file, void *priv,
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
- strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
+ usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->version = EM28XX_VERSION_CODE;
@@ -1431,7 +1449,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
if (rc < 0)
return rc;
- return (videobuf_reqbufs(&fh->vb_vidq, rb));
+ return videobuf_reqbufs(&fh->vb_vidq, rb);
}
static int vidioc_querybuf(struct file *file, void *priv,
@@ -1445,7 +1463,7 @@ static int vidioc_querybuf(struct file *file, void *priv,
if (rc < 0)
return rc;
- return (videobuf_querybuf(&fh->vb_vidq, b));
+ return videobuf_querybuf(&fh->vb_vidq, b);
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
@@ -1458,7 +1476,7 @@ static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
if (rc < 0)
return rc;
- return (videobuf_qbuf(&fh->vb_vidq, b));
+ return videobuf_qbuf(&fh->vb_vidq, b);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
@@ -1471,8 +1489,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
if (rc < 0)
return rc;
- return (videobuf_dqbuf(&fh->vb_vidq, b,
- file->f_flags & O_NONBLOCK));
+ return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
}
#ifdef CONFIG_VIDEO_V4L1_COMPAT
@@ -1496,7 +1513,7 @@ static int radio_querycap(struct file *file, void *priv,
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
- strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
+ usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->version = EM28XX_VERSION_CODE;
cap->capabilities = V4L2_CAP_TUNER;
@@ -1781,7 +1798,7 @@ em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
* em28xx_v4l2_poll()
* will allocate buffers when called for the first time
*/
-static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
+static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait)
{
struct em28xx_fh *fh = filp->private_data;
struct em28xx *dev = fh->dev;
@@ -1934,8 +1951,8 @@ static struct video_device em28xx_radio_template = {
static struct video_device *em28xx_vdev_init(struct em28xx *dev,
- const struct video_device *template,
- const char *type_name)
+ const struct video_device *template,
+ const char *type_name)
{
struct video_device *vfd;
@@ -1984,8 +2001,9 @@ int em28xx_register_analog_devices(struct em28xx *dev)
/* enable vbi capturing */
/* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */
- val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK);
- em28xx_write_reg(dev, EM28XX_R0F_XCLK, (EM28XX_XCLK_AUDIO_UNMUTE | val));
+ val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ (EM28XX_XCLK_AUDIO_UNMUTE | val));
em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51);
em28xx_set_outfmt(dev);
@@ -2020,7 +2038,8 @@ int em28xx_register_analog_devices(struct em28xx *dev)
}
if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) {
- dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio");
+ dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template,
+ "radio");
if (!dev->radio_dev) {
em28xx_errdev("cannot allocate video_device.\n");
return -ENODEV;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.