WM_HP_ATTEN_L      29 sound/pci/ice1712/pontis.c #define WM_HP_ATTEN_L		0x00	/* headphone left attenuation */
WM_HP_ATTEN_L      37 sound/pci/ice1712/prodigy_hifi.c #define WM_HP_ATTEN_L		0x00	/* headphone left attenuation */