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authorHans Verkuil <hverkuil@xs4all.nl>2006-04-29 12:26:46 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-06-25 02:00:18 -0300
commit2e2aef7d5a8ac9d1c9b2c07a9fc96a7908d51d72 (patch)
treed47a4f56440fff50e9b4f719328fb9502a5d2736 /drivers/media/video/cx25840
parentc0c044a71f3d0a0a73c954b389cbc4b55ed4c2ba (diff)
V4L/DVB (4008): Audio soft reset improvements
The soft reset (de)assert commands where not at the right place. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx25840')
-rw-r--r--drivers/media/video/cx25840/cx25840-audio.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/media/video/cx25840/cx25840-audio.c b/drivers/media/video/cx25840/cx25840-audio.c
index b67ad4deff8..f897c1ebd5f 100644
--- a/drivers/media/video/cx25840/cx25840-audio.c
+++ b/drivers/media/video/cx25840/cx25840-audio.c
@@ -30,10 +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 */
- if (!state->is_cx25836)
- 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);
@@ -152,10 +148,6 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
}
}
- /* deassert soft reset */
- if (!state->is_cx25836)
- cx25840_and_or(client, 0x810, ~0x1, 0x00);
-
state->audclk_freq = freq;
return 0;
@@ -168,6 +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);
@@ -185,6 +181,10 @@ void cx25840_audio_set_path(struct i2c_client *client)
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 */
@@ -323,7 +323,11 @@ int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg)
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);
}