From ad46064b833f355b3ba39c4941e041b2a85ac393 Mon Sep 17 00:00:00 2001 From: Marcin Bukat Date: Wed, 11 Jul 2012 00:28:44 +0200 Subject: rk27xx codec: simplify startup Change-Id: I8b610363e67ec640664aa0d03488e430ec461244 --- firmware/drivers/audio/rk27xx_codec.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) (limited to 'firmware/drivers') diff --git a/firmware/drivers/audio/rk27xx_codec.c b/firmware/drivers/audio/rk27xx_codec.c index c2b5980021..cfb98a9227 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); -- cgit v1.2.3