diff options
| author |   Hans Verkuil <hverkuil@xs4all.nl> | 2006-04-29 12:26:46 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-06-25 02:00:18 -0300 |
| commit | 2e2aef7d5a8ac9d1c9b2c07a9fc96a7908d51d72 (patch) | |
| tree | d47a4f56440fff50e9b4f719328fb9502a5d2736 /drivers/media/video/cx25840 | |
| parent | V4L/DVB (4006): Stop/start microcontroller when changing sampling frequency (diff) | |
| download | linux-dev-2e2aef7d5a8ac9d1c9b2c07a9fc96a7908d51d72.tar.xz linux-dev-2e2aef7d5a8ac9d1c9b2c07a9fc96a7908d51d72.zip | |
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.c | 20 |
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 b67ad4deff8a..f897c1ebd5f3 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); } |