[alsa-devel] [PATCH 2/2] ASoC: rt286: Fix sync function

[Bard Liao]

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 <bardliao at realtek.com>
---
 sound/soc/codecs/rt286.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
index 7a66084..b86b426 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;
-- 
1.8.1.1.439.g50a6b54