From ba533e95b929c577d69237692ee588001347be8a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 17 Nov 2008 16:59:24 +0000 Subject: [PATCH] ASoC: Allow writes to uncached registers in WM8990 Only fully documented registers are cached in the WM8990 but additional registers exist. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8990.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index 572d22b..5c84f02 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -106,6 +106,7 @@ static const u16 wm8990_reg[] = { 0x0008, /* R60 - PLL1 */ 0x0031, /* R61 - PLL2 */ 0x0026, /* R62 - PLL3 */ + 0x0000, /* R63 - Driver internal */ }; /* @@ -126,10 +127,9 @@ static inline void wm8990_write_reg_cache(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { u16 *cache = codec->reg_cache; - BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1); - /* Reset register is uncached */ - if (reg == 0) + /* Reset register and reserved registers are uncached */ + if (reg == 0 || reg > ARRAY_SIZE(wm8990_reg) - 1) return; cache[reg] = value; -- 2.7.4