ASoC: ssm4567: Keep TDM_BCLKS in ssm4567_set_dai_fmt

The regmap_write in ssm4567_set_dai_fmt accidentally clears the
TDM_BCLKS field which was set earlier by ssm4567_set_tdm_slot.

This patch fixes it by using regmap_update_bits with proper mask.

Signed-off-by: Ben Zhang <benzh@chromium.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org

diff --git a/sound/soc/codecs/ssm4567.c b/sound/soc/codecs/ssm4567.c
index 938d2cb..84a4f5a 100644 (file)
--- a/sound/soc/codecs/ssm4567.c
+++ b/sound/soc/codecs/ssm4567.c
@@ -315,7 +315,13 @@ static int ssm4567_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
        if (invert_fclk)
                ctrl1 |= SSM4567_SAI_CTRL_1_FSYNC;
 
-       return regmap_write(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, ctrl1);
+       return regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1,
+                       SSM4567_SAI_CTRL_1_BCLK |
+                       SSM4567_SAI_CTRL_1_FSYNC |
+                       SSM4567_SAI_CTRL_1_LJ |
+                       SSM4567_SAI_CTRL_1_TDM |
+                       SSM4567_SAI_CTRL_1_PDM,
+                       ctrl1);
 }
 
 static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable)