ASoC: 88pm860: Fix IO setup

The 88pm860 is a MFD device and the CODEC driver is using the regmap struct of
the parent device, hence automatic IO setup will not work and we need to
manually call snd_soc_codec_set_cache_io(). The issue was introduced in commit
f9ded3b2e7 ("ASoC: 88pm860x: Use regmap for I/O").

Fixes: f9ded3b2e7 ("ASoC: 88pm860x: Use regmap for I/O").
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org

diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c
index 75d0ad5d2dcb38107934536ba7ef93410025c2f6..647a72cda005a5cc4f8b362fefe8aa1ad3f68a76 100644 (file)
--- a/sound/soc/codecs/88pm860x-codec.c
+++ b/sound/soc/codecs/88pm860x-codec.c
@@ -1328,6 +1328,9 @@ static int pm860x_probe(struct snd_soc_codec *codec)
        pm860x->codec = codec;
 
        codec->control_data = pm860x->regmap;
+       ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
+       if (ret)
+               return ret;
 
        for (i = 0; i < 4; i++) {
                ret = request_threaded_irq(pm860x->irq[i], NULL,