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path: root/drivers/media/video/cx88/cx88-video.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
-rw-r--r--drivers/media/video/cx88/cx88-video.c67
1 files changed, 42 insertions, 25 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index ef4d56ea0027..3904b73f52ee 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -426,24 +426,7 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
/* if there are audioroutes defined, we have an external
ADC to deal with audio */
-
if (INPUT(input).audioroute) {
-
- /* cx2388's C-ADC is connected to the tuner only.
- When used with S-Video, that ADC is busy dealing with
- chroma, so an external must be used for baseband audio */
-
- if (INPUT(input).type != CX88_VMUX_TELEVISION &&
- INPUT(input).type != CX88_RADIO) {
- /* "ADC mode" */
- cx_write(AUD_I2SCNTL, 0x1);
- cx_set(AUD_CTL, EN_I2SIN_ENABLE);
- } else {
- /* Normal mode */
- cx_write(AUD_I2SCNTL, 0x0);
- cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
- }
-
/* The wm8775 module has the "2" route hardwired into
the initialization. Some boards may use different
routes for different inputs. HVR-1300 surely does */
@@ -454,9 +437,19 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
route.input = INPUT(input).audioroute;
cx88_call_i2c_clients(core,
VIDIOC_INT_S_AUDIO_ROUTING, &route);
-
}
-
+ /* cx2388's C-ADC is connected to the tuner only.
+ When used with S-Video, that ADC is busy dealing with
+ chroma, so an external must be used for baseband audio */
+ if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
+ /* "I2S ADC mode" */
+ core->tvaudio = WW_I2SADC;
+ cx88_set_tvaudio(core);
+ } else {
+ /* Normal mode */
+ cx_write(AUD_I2SCNTL, 0x0);
+ cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
+ }
}
return 0;
@@ -773,6 +766,7 @@ static int video_open(struct inode *inode, struct file *file)
enum v4l2_buf_type type = 0;
int radio = 0;
+ lock_kernel();
list_for_each_entry(h, &cx8800_devlist, devlist) {
if (h->video_dev->minor == minor) {
dev = h;
@@ -788,8 +782,10 @@ static int video_open(struct inode *inode, struct file *file)
dev = h;
}
}
- if (NULL == dev)
+ if (NULL == dev) {
+ unlock_kernel();
return -ENODEV;
+ }
core = dev->core;
@@ -798,8 +794,10 @@ static int video_open(struct inode *inode, struct file *file)
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh),GFP_KERNEL);
- if (NULL == fh)
+ if (NULL == fh) {
+ unlock_kernel();
return -ENOMEM;
+ }
file->private_data = fh;
fh->dev = dev;
fh->radio = radio;
@@ -827,11 +825,29 @@ static int video_open(struct inode *inode, struct file *file)
cx_write(MO_GP0_IO, core->board.radio.gpio0);
cx_write(MO_GP1_IO, core->board.radio.gpio1);
cx_write(MO_GP2_IO, core->board.radio.gpio2);
- core->tvaudio = WW_FM;
- cx88_set_tvaudio(core);
- cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
+ if (core->board.radio.audioroute) {
+ if(core->board.audio_chip &&
+ core->board.audio_chip == V4L2_IDENT_WM8775) {
+ struct v4l2_routing route;
+
+ route.input = core->board.radio.audioroute;
+ cx88_call_i2c_clients(core,
+ VIDIOC_INT_S_AUDIO_ROUTING, &route);
+ }
+ /* "I2S ADC mode" */
+ core->tvaudio = WW_I2SADC;
+ cx88_set_tvaudio(core);
+ } else {
+ /* FM Mode */
+ core->tvaudio = WW_FM;
+ cx88_set_tvaudio(core);
+ cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
+ }
cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
}
+ unlock_kernel();
+
+ atomic_inc(&core->users);
return 0;
}
@@ -920,7 +936,8 @@ static int video_release(struct inode *inode, struct file *file)
file->private_data = NULL;
kfree(fh);
- cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
+ if(atomic_dec_and_test(&dev->core->users))
+ cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
return 0;
}