BT_HWPDN_EN      2380 drivers/net/wireless/realtek/rtlwifi/rtl8821ae/reg.h #define	BT_HWPDN_EN			BIT(16)
BT_HWPDN_EN      1266 drivers/staging/rtl8188eu/include/rtl8188e_spec.h #define	BT_HWPDN_EN				BIT(16)
BT_HWPDN_EN      1674 drivers/staging/rtl8723bs/include/hal_com_reg.h #define BT_HWPDN_EN			BIT16	/*  Enable GPIO[11] as BT HW PDn source */