From cf485da15a3b507c7dab42337639e4f4025d3373 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Tue, 2 Jun 2009 00:18:57 -0400 Subject: ASoC: Blackfin: document how anomaly 05000250 is handled Signed-off-by: Sonic Zhang Signed-off-by: Mike Frysinger Signed-off-by: Mark Brown --- sound/soc/blackfin/bf5xx-ac97.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'sound/soc') diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c index 8a935f2d176..b1ed423fabd 100644 --- a/sound/soc/blackfin/bf5xx-ac97.c +++ b/sound/soc/blackfin/bf5xx-ac97.c @@ -31,6 +31,15 @@ #include "bf5xx-sport.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 sport_num = CONFIG_SND_BF5XX_SPORT_NUM; -- cgit v1.2.3