WM8904_REVISION 188 sound/soc/codecs/wm8904.c case WM8904_REVISION: WM8904_REVISION 206 sound/soc/codecs/wm8904.c case WM8904_REVISION: WM8904_REVISION 2211 sound/soc/codecs/wm8904.c ret = regmap_read(wm8904->regmap, WM8904_REVISION, &val);