ASoC: rl6231: avoid using divisible by 3 for DMIC clk
Few codecs will meet no DMIC clock output issue when select a divided
number which is divisible by 3. To prevent this issue, the patch ignore
the numbers when calculating the DMIC clock divider.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/rl6231.c b/sound/soc/codecs/rl6231.c
index aca479f..18b4292 100644
--- a/sound/soc/codecs/rl6231.c
+++ b/sound/soc/codecs/rl6231.c
@@ -80,6 +80,8 @@
}
for (i = 0; i < ARRAY_SIZE(div); i++) {
+ if ((div[i] % 3) == 0)
+ continue;
/* find divider that gives DMIC frequency below 3MHz */
if (3000000 * div[i] >= rate)
return i;