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Fix high power consumption at powerup.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17445 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2008-05-10 19:43:23 +00:00
parent 1ec35841d6
commit 66010b9f30
1 changed files with 10 additions and 7 deletions
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17
firmware/target/arm/s3c2440/gigabeat-fx/pcm-meg-fx.c
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@ -89,12 +89,19 @@ void pcm_play_dma_init(void)
{ {
pcm_set_frequency(SAMPR_44); pcm_set_frequency(SAMPR_44);
/* slave */ /* There seem to be problems when changing the IIS interface configuration
IISMOD |= (1<<8); * when a clock is not present.
*/
s3c_regset(&CLKCON, 1<<17);
/* slave, transmit mode, 16 bit samples - MCLK 384fs - use 16.9344Mhz -
BCLK 32fs */
IISMOD = (1<<9) | (1<<8) | (2<<6) | (1<<3) | (1<<2) | (1<<0);
/* RX,TX off,idle */ /* RX,TX off,on */
IISCON |= (1<<3) | (1<<2); IISCON |= (1<<3) | (1<<2);
s3c_regclr(&CLKCON, 1<<17);
audiohw_init(); audiohw_init();
/* init GPIO */ /* init GPIO */
@ -183,10 +190,6 @@ void pcm_play_dma_start(const void *addr, size_t size)
/* stop any DMA in progress - idle IIS */ /* stop any DMA in progress - idle IIS */
play_stop_pcm(); play_stop_pcm();
/* slave, transmit mode, 16 bit samples - MCLK 384fs - use 16.9344Mhz -
BCLK 32fs */
IISMOD = (1<<9) | (1<<8) | (2<<6) | (1<<3) | (1<<2) | (1<<0);
/* connect DMA to the FIFO and enable the FIFO */ /* connect DMA to the FIFO and enable the FIFO */
IISFCON = (1<<15) | (1<<13); IISFCON = (1<<15) | (1<<13);