summaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
authorBard Liao <bardliao@realtek.com>2014-05-06 15:56:06 +0800
committerMark Brown <broonie@linaro.org>2014-05-12 22:09:30 +0100
commit57f174f47e73b4e6f325c9374c17f5fe1602e496 (patch)
tree820737ff87e85dc429ad2f6e55312b6e45b5f15c /sound
parent4eefa0d850a834cf641892e10583f8081d3f8c60 (diff)
downloadop-kernel-dev-57f174f47e73b4e6f325c9374c17f5fe1602e496.zip
op-kernel-dev-57f174f47e73b4e6f325c9374c17f5fe1602e496.tar.gz
ASoC: rt5640: add default case for unexpected ID
We may read an unexpected value when detemining which codec is attached. In that case, either a unsupported codec is attached or something wrong with I2C. The driver will not work properly on both cases. So we return an error for that. Signed-off-by: Bard Liao <bardliao@realtek.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/rt5640.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 2133fa0..ddefd5a 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -2018,6 +2018,10 @@ static int rt5640_probe(struct snd_soc_codec *codec)
rt5639_specific_dapm_routes,
ARRAY_SIZE(rt5639_specific_dapm_routes));
break;
+ default:
+ dev_err(codec->dev,
+ "The driver is for RT5639 RT5640 or RT5642 only\n");
+ return -ENODEV;
}
return 0;
OpenPOWER on IntegriCloud