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| author | Marcin Bukat <marcin.bukat@gmail.com> | 2012-07-11 00:28:44 +0200 |
|---|---|---|
| committer | Marcin Bukat <marcin.bukat@gmail.com> | 2012-07-11 00:28:44 +0200 |
| commit | ad46064b833f355b3ba39c4941e041b2a85ac393 (patch) | |
| tree | 15315fe9702dfa5da8c3831832375c8a5a1c7f1d /firmware/drivers | |
| parent | 80ec94c4975ea8227b52c4cb0157e213ed9d757b (diff) | |
| download | rockbox-ad46064b833f355b3ba39c4941e041b2a85ac393.zip rockbox-ad46064b833f355b3ba39c4941e041b2a85ac393.tar.gz rockbox-ad46064b833f355b3ba39c4941e041b2a85ac393.tar.bz2 rockbox-ad46064b833f355b3ba39c4941e041b2a85ac393.tar.xz | |
rk27xx codec: simplify startup
Change-Id: I8b610363e67ec640664aa0d03488e430ec461244
Diffstat (limited to 'firmware/drivers')
| -rw-r--r-- | firmware/drivers/audio/rk27xx_codec.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/firmware/drivers/audio/rk27xx_codec.c b/firmware/drivers/audio/rk27xx_codec.c index c2b5980..cfb98a9 100644 --- a/firmware/drivers/audio/rk27xx_codec.c +++ b/firmware/drivers/audio/rk27xx_codec.c @@ -99,21 +99,19 @@ void audiohw_preinit(void) void audiohw_postinit(void) { + /* power up DAC */ codec_write(PMR1, SB_OUT|SB_MIX|SB_ADC|SB_IN1|SB_IN2|SB_MIC|SB_IND); - udelay(10000); + /* leave sleep mode */ + codec_write(PMR2, GIM|SB_MC); - codec_write(PMR2, GIM | SB_MC); - - udelay(10000); - - codec_write(PMR1, SB_OUT|SB_ADC|SB_IN1|SB_IN2|SB_MIC|SB_IND); - - udelay(10000); + /* 1ms delay */ + udelay(1000); + /* power up output stage */ codec_write(PMR1, SB_ADC|SB_IN1|SB_IN2|SB_MIC|SB_IND); - sleep(3*HZ); + sleep(HZ/10); GPIO_PDDR |= (1<<7); /* PD7 high */ sleep(HZ/10); |