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@xxxxxxxxxxx>
---
sound/soc/codecs/rl6231.c | 2 ++
1 file changed, 2 insertions(+)
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 @@ int rl6231_calc_dmic_clk(int rate)
}
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;
--
1.8.1.1.439.g50a6b54
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