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path: root/drivers/media/video/cx25840/cx25840-audio.c
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Diffstat (limited to 'drivers/media/video/cx25840/cx25840-audio.c')
-rw-r--r--drivers/media/video/cx25840/cx25840-audio.c51
1 files changed, 15 insertions, 36 deletions
diff --git a/drivers/media/video/cx25840/cx25840-audio.c b/drivers/media/video/cx25840/cx25840-audio.c
index 6c44bd9c170..fe6bc411d71 100644
--- a/drivers/media/video/cx25840/cx25840-audio.c
+++ b/drivers/media/video/cx25840/cx25840-audio.c
@@ -37,8 +37,7 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */
cx25840_write(client, 0x127, 0x50);
- switch (state->audio_input) {
- case AUDIO_TUNER:
+ if (state->aud_input != CX25840_AUDIO_SERIAL) {
switch (freq) {
case 32000:
/* VID_PLL and AUX_PLL */
@@ -79,12 +78,7 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
cx25840_write4(client, 0x90c, 0xaa4f0108);
break;
}
- break;
-
- case AUDIO_EXTERN_1:
- case AUDIO_EXTERN_2:
- case AUDIO_INTERN:
- case AUDIO_RADIO:
+ } else {
switch (freq) {
case 32000:
/* VID_PLL and AUX_PLL */
@@ -137,7 +131,6 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
cx25840_write4(client, 0x90c, 0x55550108);
break;
}
- break;
}
/* deassert soft reset */
@@ -148,48 +141,33 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
return 0;
}
-static int set_input(struct i2c_client *client, int audio_input)
+void cx25840_audio_set_path(struct i2c_client *client)
{
struct cx25840_state *state = i2c_get_clientdata(client);
- cx25840_dbg("set audio input (%d)\n", audio_input);
-
/* stop microcontroller */
cx25840_and_or(client, 0x803, ~0x10, 0);
/* Mute everything to prevent the PFFT! */
cx25840_write(client, 0x8d3, 0x1f);
- switch (audio_input) {
- case AUDIO_TUNER:
- /* Set Path1 to Analog Demod Main Channel */
- cx25840_write4(client, 0x8d0, 0x7038061f);
-
- /* When the microcontroller detects the
- * audio format, it will unmute the lines */
- cx25840_and_or(client, 0x803, ~0x10, 0x10);
- break;
-
- case AUDIO_EXTERN_1:
- case AUDIO_EXTERN_2:
- case AUDIO_INTERN:
- case AUDIO_RADIO:
+ if (state->aud_input == CX25840_AUDIO_SERIAL) {
/* Set Path1 to Serial Audio Input */
cx25840_write4(client, 0x8d0, 0x12100101);
/* The microcontroller should not be started for the
* non-tuner inputs: autodetection is specific for
* TV audio. */
- break;
+ } else {
+ /* Set Path1 to Analog Demod Main Channel */
+ cx25840_write4(client, 0x8d0, 0x7038061f);
- default:
- cx25840_dbg("Invalid audio input selection %d\n", audio_input);
- return -EINVAL;
+ /* When the microcontroller detects the
+ * audio format, it will unmute the lines */
+ cx25840_and_or(client, 0x803, ~0x10, 0x10);
}
- state->audio_input = audio_input;
-
- return set_audclk_freq(client, state->audclk_freq);
+ set_audclk_freq(client, state->audclk_freq);
}
inline static int get_volume(struct i2c_client *client)
@@ -292,7 +270,7 @@ inline static void set_mute(struct i2c_client *client, int mute)
{
struct cx25840_state *state = i2c_get_clientdata(client);
- if (state->audio_input == AUDIO_TUNER) {
+ if (state->aud_input != CX25840_AUDIO_SERIAL) {
/* Must turn off microcontroller in order to mute sound.
* Not sure if this is the best method, but it does work.
* If the microcontroller is running, then it will undo any
@@ -316,10 +294,9 @@ int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg)
struct v4l2_control *ctrl = arg;
switch (cmd) {
- case AUDC_SET_INPUT:
- return set_input(client, *(int *)arg);
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
return set_audclk_freq(client, *(u32 *)arg);
+
case VIDIOC_G_CTRL:
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
@@ -341,6 +318,7 @@ int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg)
return -EINVAL;
}
break;
+
case VIDIOC_S_CTRL:
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
@@ -362,6 +340,7 @@ int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg)
return -EINVAL;
}
break;
+
default:
return -EINVAL;
}