WM8753_ROUTM2 271 sound/soc/codecs/wm8753.c SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, WM8753_ROUTM2 273 sound/soc/codecs/wm8753.c SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, WM8753_ROUTM2 371 sound/soc/codecs/wm8753.c SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0), WM8753_ROUTM2 372 sound/soc/codecs/wm8753.c SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0),