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path: root/drivers/media/video/em28xx/em28xx-video.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-video.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c45
1 files changed, 26 insertions, 19 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 416b691c33c1..8e61b2ca9167 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -886,10 +886,10 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
if (0 == INPUT(i)->type)
return -EINVAL;
- mutex_lock(&dev->lock);
-
- video_mux(dev, i);
+ dev->ctl_input = i;
+ mutex_lock(&dev->lock);
+ video_mux(dev, dev->ctl_input);
mutex_unlock(&dev->lock);
return 0;
}
@@ -939,6 +939,12 @@ static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
+
+ if (a->index >= MAX_EM28XX_INPUT)
+ return -EINVAL;
+ if (0 == INPUT(a->index)->type)
+ return -EINVAL;
+
mutex_lock(&dev->lock);
dev->ctl_ainput = INPUT(a->index)->amux;
@@ -1950,6 +1956,7 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev,
int em28xx_register_analog_devices(struct em28xx *dev)
{
+ u8 val;
int ret;
printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n",
@@ -1957,34 +1964,34 @@ int em28xx_register_analog_devices(struct em28xx *dev)
(EM28XX_VERSION_CODE >> 16) & 0xff,
(EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff);
+ /* set default norm */
+ dev->norm = em28xx_video_template.current_norm;
+ dev->width = norm_maxw(dev);
+ dev->height = norm_maxh(dev);
+ dev->interlaced = EM28XX_INTERLACED_DEFAULT;
+ dev->hscale = 0;
+ dev->vscale = 0;
+ dev->ctl_input = 0;
+
/* Analog specific initialization */
dev->format = &format[0];
- video_mux(dev, 0);
+ video_mux(dev, dev->ctl_input);
+
+ /* Audio defaults */
+ dev->mute = 1;
+ dev->volume = 0x1f;
/* enable vbi capturing */
/* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */
-/* em28xx_write_reg(dev, EM28XX_R0F_XCLK, 0x80); clk register */
+ 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);
- dev->mute = 1; /* maybe not the right place... */
- dev->volume = 0x1f;
-
em28xx_set_outfmt(dev);
em28xx_colorlevels_set_default(dev);
em28xx_compression_disable(dev);
- /* set default norm */
- dev->norm = em28xx_video_template.current_norm;
- dev->width = norm_maxw(dev);
- dev->height = norm_maxh(dev);
- dev->interlaced = EM28XX_INTERLACED_DEFAULT;
- dev->hscale = 0;
- dev->vscale = 0;
-
- /* FIXME: This is a very bad hack! Not all devices have TV on input 2 */
- dev->ctl_input = 2;
-
/* allocate and fill video video_device struct */
dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video");
if (!dev->vdev) {