[alsa-devel] [PATCH v2 10/10] ASoC: twl6040: Warn user in twl6040_put_volsw for error case

Peter Ujfalusi peter.ujfalusi at ti.com
Wed Oct 5 09:29:28 CEST 2011


Let the user know, that the callback has been called with unexpected
register parameter.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 sound/soc/codecs/twl6040.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 7450e1b..62edded 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -759,6 +759,8 @@ static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 		out = &twl6040_priv->handsfree;
 		break;
 	default:
+		dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
+					__func__, mc->reg);
 		return -EINVAL;
 	}
 
-- 
1.7.7



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