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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.c54
1 files changed, 45 insertions, 9 deletions
diff --git a/drivers/media/video/cx25840/cx25840-audio.c b/drivers/media/video/cx25840/cx25840-audio.c
index 9a4b813152e..f897c1ebd5f 100644
--- a/drivers/media/video/cx25840/cx25840-audio.c
+++ b/drivers/media/video/cx25840/cx25840-audio.c
@@ -30,9 +30,6 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
if (freq != 32000 && freq != 44100 && freq != 48000)
return -EINVAL;
- /* assert soft reset */
- cx25840_and_or(client, 0x810, ~0x1, 0x01);
-
/* common for all inputs and rates */
/* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */
cx25840_write(client, 0x127, 0x50);
@@ -46,6 +43,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* AUX_PLL_FRAC */
cx25840_write4(client, 0x110, 0xee39bb01);
+ if (state->is_cx25836)
+ break;
+
/* src3/4/6_ctl = 0x0801f77f */
cx25840_write4(client, 0x900, 0x7ff70108);
cx25840_write4(client, 0x904, 0x7ff70108);
@@ -59,6 +59,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* AUX_PLL_FRAC */
cx25840_write4(client, 0x110, 0xd66bec00);
+ if (state->is_cx25836)
+ break;
+
/* src3/4/6_ctl = 0x08016d59 */
cx25840_write4(client, 0x900, 0x596d0108);
cx25840_write4(client, 0x904, 0x596d0108);
@@ -72,6 +75,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* AUX_PLL_FRAC */
cx25840_write4(client, 0x110, 0xe5d69800);
+ if (state->is_cx25836)
+ break;
+
/* src3/4/6_ctl = 0x08014faa */
cx25840_write4(client, 0x900, 0xaa4f0108);
cx25840_write4(client, 0x904, 0xaa4f0108);
@@ -87,6 +93,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* AUX_PLL_FRAC */
cx25840_write4(client, 0x110, 0x69082a01);
+ if (state->is_cx25836)
+ break;
+
/* src1_ctl = 0x08010000 */
cx25840_write4(client, 0x8f8, 0x00000108);
@@ -106,6 +115,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* AUX_PLL_FRAC */
cx25840_write4(client, 0x110, 0xd66bec00);
+ if (state->is_cx25836)
+ break;
+
/* src1_ctl = 0x08010000 */
cx25840_write4(client, 0x8f8, 0xcd600108);
@@ -122,6 +134,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
/* AUX_PLL_FRAC */
cx25840_write4(client, 0x110, 0xe5d69800);
+ if (state->is_cx25836)
+ break;
+
/* src1_ctl = 0x08010000 */
cx25840_write4(client, 0x8f8, 0x00800108);
@@ -133,9 +148,6 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
}
}
- /* deassert soft reset */
- cx25840_and_or(client, 0x810, ~0x1, 0x00);
-
state->audclk_freq = freq;
return 0;
@@ -148,6 +160,10 @@ void cx25840_audio_set_path(struct i2c_client *client)
/* stop microcontroller */
cx25840_and_or(client, 0x803, ~0x10, 0);
+ /* assert soft reset */
+ if (!state->is_cx25836)
+ cx25840_and_or(client, 0x810, ~0x1, 0x01);
+
/* Mute everything to prevent the PFFT! */
cx25840_write(client, 0x8d3, 0x1f);
@@ -161,13 +177,19 @@ void cx25840_audio_set_path(struct i2c_client *client)
} else {
/* Set Path1 to Analog Demod Main Channel */
cx25840_write4(client, 0x8d0, 0x7038061f);
+ }
+ set_audclk_freq(client, state->audclk_freq);
+
+ /* deassert soft reset */
+ if (!state->is_cx25836)
+ cx25840_and_or(client, 0x810, ~0x1, 0x00);
+
+ if (state->aud_input != CX25840_AUDIO_SERIAL) {
/* When the microcontroller detects the
* audio format, it will unmute the lines */
cx25840_and_or(client, 0x803, ~0x10, 0x10);
}
-
- set_audclk_freq(client, state->audclk_freq);
}
static int get_volume(struct i2c_client *client)
@@ -291,11 +313,25 @@ static void set_mute(struct i2c_client *client, int mute)
int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg)
{
+ struct cx25840_state *state = i2c_get_clientdata(client);
struct v4l2_control *ctrl = arg;
+ int retval;
switch (cmd) {
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- return set_audclk_freq(client, *(u32 *)arg);
+ if (state->aud_input != CX25840_AUDIO_SERIAL) {
+ cx25840_and_or(client, 0x803, ~0x10, 0);
+ cx25840_write(client, 0x8d3, 0x1f);
+ }
+ if (!state->is_cx25836)
+ cx25840_and_or(client, 0x810, ~0x1, 1);
+ retval = set_audclk_freq(client, *(u32 *)arg);
+ if (!state->is_cx25836)
+ cx25840_and_or(client, 0x810, ~0x1, 0);
+ if (state->aud_input != CX25840_AUDIO_SERIAL) {
+ cx25840_and_or(client, 0x803, ~0x10, 0x10);
+ }
+ return retval;
case VIDIOC_G_CTRL:
switch (ctrl->id) {