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Apply FS#11729 - Remove unneeded I2SIN clock configuration for AS3525 and AS3525v2

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28541 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2010-11-09 21:53:44 +00:00
parent ebcfb13a86
commit 19c048344d
1 changed files with 4 additions and 9 deletions
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13
firmware/target/arm/as3525/pcm-as3525.c
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@ -177,6 +177,8 @@ void pcm_dma_apply_settings(void)
cgu_audio |= (AS3525_MCLK_SEL << 0); /* set i2sout MCLK_SEL */
cgu_audio &= ~(0x1ff << 2); /* clear i2sout divider */
cgu_audio |= mclk_divider() << 2; /* set new i2sout divider */
cgu_audio &= ~(1 << 23); /* clear I2SI_MCLK_EN */
cgu_audio &= ~(1 << 24); /* clear I2SI_MCLK2PAD_EN */
CGU_AUDIO = cgu_audio; /* write back register */
}
@ -338,7 +340,7 @@ void pcm_rec_dma_stop(void)
I2SIN_CONTROL &= ~(1<<11); /* disable dma */
CGU_AUDIO &= ~((1<<23)|(1<<11));
CGU_AUDIO &= ~(1<<11);
bitclr32(&CGU_PERI, CGU_I2SIN_APB_CLOCK_ENABLE |
CGU_I2SOUT_APB_CLOCK_ENABLE);
}
@ -357,7 +359,7 @@ void pcm_rec_dma_start(void *addr, size_t size)
bitset32(&CGU_PERI, CGU_I2SIN_APB_CLOCK_ENABLE |
CGU_I2SOUT_APB_CLOCK_ENABLE);
CGU_AUDIO |= ((1<<23)|(1<<11));
CGU_AUDIO |= (1<<11);
I2SIN_CONTROL |= (1<<11)|(1<<5); /* enable dma, 14bits samples */
@ -374,13 +376,6 @@ void pcm_rec_dma_close(void)
void pcm_rec_dma_init(void)
{
int cgu_audio = CGU_AUDIO; /* read register */
cgu_audio &= ~(3 << 12); /* clear i2sin MCLK_SEL */
cgu_audio |= (AS3525_MCLK_SEL << 12); /* set i2sin MCLK_SEL */
cgu_audio &= ~(0x1ff << 14); /* clear i2sin divider */
cgu_audio |= mclk_divider() << 14; /* set new i2sin divider */
CGU_AUDIO = cgu_audio; /* write back register */
/* i2c clk src = I2SOUTIF, sdata src = AFE,
* data valid at positive edge of SCLK */
I2SIN_CONTROL = (1<<2);