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Reenable scaling on Sansa since a reasonable solution to clicks has been found.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13995 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-07-26 10:46:17 +00:00
parent 414dd752eb
commit 31cf7e95b4
5 changed files with 44 additions and 3 deletions
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31
firmware/target/arm/i2s-pp.c
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@ -25,6 +25,7 @@
****************************************************************************/
#include "system.h"
#include "cpu.h"
/* TODO: Add in PP5002 defs */
#if CONFIG_CPU == PP5002
@ -140,4 +141,34 @@ void i2s_reset(void)
/* Rx.CLR = 1, TX.CLR = 1 */
IISFIFO_CFG |= 0x1100;
}
#ifdef SANSA_E200
void i2s_scale_attn_level(long frequency)
{
unsigned int iisfifo_cfg = IISFIFO_CFG & ~0xff;
/* TODO: set this more appropriately for frequency */
if (frequency <= CPUFREQ_DEFAULT)
{
/* when 4 slots full */
/* when 4 slots empty */
iisfifo_cfg |= 0x11;
}
else if (frequency < CPUFREQ_MAX)
{
/* when 8 slots full */
/* when 8 slots empty */
iisfifo_cfg |= 0x22;
}
else
{
/* when 12 slots full */
/* when 12 slots empty */
iisfifo_cfg |= 0x33;
}
IISFIFO_CFG = iisfifo_cfg;
}
#endif /* SANSA_E200 */
#endif