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>
This commit is contained in:
Hans Verkuil 2006-04-29 12:26:46 -03:00 committed by Mauro Carvalho Chehab
parent c0c044a71f
commit 2e2aef7d5a

View File

@ -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);
}