ASoC: Remove needless codec->bias_level assignment to SND_SOC_BIAS_OFF

This assignment is done by the snd_soc_register_codec so there is no need
to redo it in probe function of a codec driver.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8510.c

@@ -569,7 +569,6 @@ static int wm8510_probe(struct snd_soc_codec *codec)
 	wm8510_reset(codec);
 
 	/* power on device */
-	codec->bias_level = SND_SOC_BIAS_OFF;
 	wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 	snd_soc_add_controls(codec, wm8510_snd_controls,
 				ARRAY_SIZE(wm8510_snd_controls));