-DECLARE_TLV_DB_SCALE(wm8940_spk_vol_tlv, -5700, 100, 1);
-DECLARE_TLV_DB_SCALE(wm8940_att_tlv, -1000, 1000, 0);
-DECLARE_TLV_DB_SCALE(wm8940_pga_vol_tlv, -1200, 75, 0);
-DECLARE_TLV_DB_SCALE(wm8940_alc_min_tlv, -1200, 600, 0);
-DECLARE_TLV_DB_SCALE(wm8940_alc_max_tlv, 675, 600, 0);
-DECLARE_TLV_DB_SCALE(wm8940_alc_tar_tlv, -2250, 50, 0);
-DECLARE_TLV_DB_SCALE(wm8940_lim_boost_tlv, 0, 100, 0);
-DECLARE_TLV_DB_SCALE(wm8940_lim_thresh_tlv, -600, 100, 0);
-DECLARE_TLV_DB_SCALE(wm8940_adc_tlv, -12750, 50, 1);
-DECLARE_TLV_DB_SCALE(wm8940_capture_boost_vol_tlv, 0, 2000, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_spk_vol_tlv, -5700, 100, 1);
+static DECLARE_TLV_DB_SCALE(wm8940_att_tlv, -1000, 1000, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_pga_vol_tlv, -1200, 75, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_alc_min_tlv, -1200, 600, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_alc_max_tlv, 675, 600, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_alc_tar_tlv, -2250, 50, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_lim_boost_tlv, 0, 100, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_lim_thresh_tlv, -600, 100, 0);
+static DECLARE_TLV_DB_SCALE(wm8940_adc_tlv, -12750, 50, 1);
+static DECLARE_TLV_DB_SCALE(wm8940_capture_boost_vol_tlv, 0, 2000, 0);