The patch below does not apply to the 3.16-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 66d627d554a4284dad00b2039efd18e1c129cc2f Mon Sep 17 00:00:00 2001 From: Bard Liao <[email protected]> Date: Fri, 26 Sep 2014 11:06:40 +0800 Subject: [PATCH] ASoC: rt286: Fix sync function We try to write index registers into cache when we write an index register, but we change the reg value before updating the cache. As a result, the cache is never be updated. This patch will fix this issue. Signed-off-by: Bard Liao <[email protected]> Signed-off-by: Mark Brown <[email protected]> Cc: [email protected] diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index 7a6608404d04..b86b426f159d 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -191,7 +191,6 @@ static int rt286_hw_write(void *context, unsigned int reg, unsigned int value) /*handle index registers*/ if (reg <= 0xff) { rt286_hw_write(client, RT286_COEF_INDEX, reg); - reg = RT286_PROC_COEF; for (i = 0; i < INDEX_CACHE_SIZE; i++) { if (reg == rt286->index_cache[i].reg) { rt286->index_cache[i].def = value; @@ -199,6 +198,7 @@ static int rt286_hw_write(void *context, unsigned int reg, unsigned int value) } } + reg = RT286_PROC_COEF; } data[0] = (reg >> 24) & 0xff; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
