ASoC: rt5640: Do not allow regmap to use bulk read-write operations

commit f4821e8e8e957fe4c601a49b9a97b7399d5f7ab1 upstream.

Debugging showed Realtek RT5642 doesn't support autoincrementing writes so
driver should set the use_single_rw flag for regmap.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index de80e89b5fd8899d35c6de2b2f20c579cebd9de9..70679cf14c83ed9384a166557dfb1d88e8d8ad70 100644 (file)
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -2059,6 +2059,7 @@ static struct snd_soc_codec_driver soc_codec_dev_rt5640 = {
 static const struct regmap_config rt5640_regmap = {
        .reg_bits = 8,
        .val_bits = 16,
+       .use_single_rw = true,
 
        .max_register = RT5640_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5640_ranges) *
                                               RT5640_PR_SPACING),