Attempting to use this codec driver triggers a BUG() in regcache_sync() since no cache type is set. The register map of this device is fairly small and has few holes so a flat cache is suitable.
Signed-off-by: Mans Rullgard mans@mansr.com --- sound/soc/codecs/wm8974.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c index 45ba828..c284c7b 100644 --- a/sound/soc/codecs/wm8974.c +++ b/sound/soc/codecs/wm8974.c @@ -574,6 +574,7 @@ static const struct regmap_config wm8974_regmap = { .max_register = WM8974_MONOMIX, .reg_defaults = wm8974_reg_defaults, .num_reg_defaults = ARRAY_SIZE(wm8974_reg_defaults), + .cache_type = REGCACHE_FLAT, };
static int wm8974_probe(struct snd_soc_codec *codec)