WM5100_DEVICE_REVISION 16 sound/soc/codecs/wm5100-tables.c case WM5100_DEVICE_REVISION: WM5100_DEVICE_REVISION 50 sound/soc/codecs/wm5100-tables.c case WM5100_DEVICE_REVISION: WM5100_DEVICE_REVISION 2502 sound/soc/codecs/wm5100.c ret = regmap_read(wm5100->regmap, WM5100_DEVICE_REVISION, ®);