ASoC: wm8962: Implement DSP2 configuration initialisation

We can simply use the register cache code to synchronise the current
configuration down to the device when bringing up the DSP.

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

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 15d467f..640001c 100644 (file)
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -1478,7 +1478,8 @@ static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
 
 static int wm8962_dsp2_write_config(struct snd_soc_codec *codec)
 {
-       return 0;
+       return regcache_sync_region(codec->control_data,
+                                   WM8962_HDBASS_AI_1, WM8962_MAX_REGISTER);
 }
 
 static int wm8962_dsp2_set_enable(struct snd_soc_codec *codec, u16 val)