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ASoC: Blackfin: document how anomaly 05000250 is handled

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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Sonic Zhang
2009-06-02 00:18:57 -04:00
committed by Mark Brown
parent 80d5bd9314
commit cf485da15a
1 changed files with 9 additions and 0 deletions
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9
sound/soc/blackfin/bf5xx-ac97.c
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@@ -31,6 +31,15 @@
#include "bf5xx-sport.h" #include "bf5xx-sport.h"
#include "bf5xx-ac97.h" #include "bf5xx-ac97.h"
/* Anomaly notes:
* 05000250 - AD1980 is running in TDM mode and RFS/TFS are generated by SPORT
* contrtoller. But, RFSDIV and TFSDIV are always set to 16*16-1,
* while the max AC97 data size is 13*16. The DIV is always larger
* than data size. AD73311 and ad2602 are not running in TDM mode.
* AD1836 and AD73322 depend on external RFS/TFS only. So, this
* anomaly does not affect blackfin sound drivers.
*/
static int *cmd_count; static int *cmd_count;
static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM; static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;