Commit 57f174f4 authored May 06, 2014 by Bard Liao Committed by Mark Brown May 12, 2014

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>

parent 4eefa0d8

sound/soc/codecs/rt5640.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;