ASoC: wm_hubs: Bomb out if we can't read back the DC servo result

Should have no practical impact but it's safer than trying to soldier on.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 82b7e9dece2c77789c56f840a4736af6f0e19911..7cffdd4b70fba455a408f848cab3e7dfdc40a2d6 100644 (file)
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -172,7 +172,7 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec)
                break;
        default:
                WARN(1, "Unknown DCS readback method\n");
-               break;
+               return;
        }
 
        dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);