219 static void wm8900_reset(struct snd_soc_codec *codec)  in wm8900_reset()  argument
221 	snd_soc_write(codec, WM8900_REG_RESET, 0);  in wm8900_reset()
227 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);  in wm8900_hp_event()  local
228 	u16 hpctl1 = snd_soc_read(codec, WM8900_REG_HPCTL1);  in wm8900_hp_event()
235 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
244 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
251 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
255 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
257 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
263 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
267 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
273 		snd_soc_write(codec, WM8900_REG_HPCTL1, hpctl1);  in wm8900_hp_event()
278 		snd_soc_write(codec, WM8900_REG_HPCTL1, 0);  in wm8900_hp_event()
638 	struct snd_soc_codec *codec = dai->codec;  in wm8900_hw_params()  local
641 	reg = snd_soc_read(codec, WM8900_REG_AUDIO1) & ~0x60;  in wm8900_hw_params()
659 	snd_soc_write(codec, WM8900_REG_AUDIO1, reg);  in wm8900_hw_params()
662 		reg = snd_soc_read(codec, WM8900_REG_DACCTRL);  in wm8900_hw_params()
669 		snd_soc_write(codec, WM8900_REG_DACCTRL, reg);  in wm8900_hw_params()
754 static int wm8900_set_fll(struct snd_soc_codec *codec,  in wm8900_set_fll()  argument
757 	struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);  in wm8900_set_fll()
764 	snd_soc_update_bits(codec, WM8900_REG_POWER1,  in wm8900_set_fll()
769 		snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,  in wm8900_set_fll()
771 		snd_soc_update_bits(codec, WM8900_REG_FLLCTL1,  in wm8900_set_fll()
787 	snd_soc_write(codec, WM8900_REG_FLLCTL1,  in wm8900_set_fll()
790 	snd_soc_write(codec, WM8900_REG_FLLCTL4, fll_div.n >> 5);  in wm8900_set_fll()
791 	snd_soc_write(codec, WM8900_REG_FLLCTL5,  in wm8900_set_fll()
795 		snd_soc_write(codec, WM8900_REG_FLLCTL2,  in wm8900_set_fll()
797 		snd_soc_write(codec, WM8900_REG_FLLCTL3, fll_div.k & 0xff);  in wm8900_set_fll()
799 		snd_soc_write(codec, WM8900_REG_FLLCTL2, 0);  in wm8900_set_fll()
802 		snd_soc_write(codec, WM8900_REG_FLLCTL6,  in wm8900_set_fll()
805 		snd_soc_write(codec, WM8900_REG_FLLCTL6, 0);  in wm8900_set_fll()
807 	snd_soc_update_bits(codec, WM8900_REG_POWER1,  in wm8900_set_fll()
812 	snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,  in wm8900_set_fll()
821 	return wm8900_set_fll(codec_dai->codec, pll_id, freq_in, freq_out);  in wm8900_set_dai_pll()
827 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8900_set_dai_clkdiv()  local
831 		snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,  in wm8900_set_dai_clkdiv()
835 		snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,  in wm8900_set_dai_clkdiv()
839 		snd_soc_update_bits(codec, WM8900_REG_AUDIO4,  in wm8900_set_dai_clkdiv()
843 		snd_soc_update_bits(codec, WM8900_REG_AUDIO3,  in wm8900_set_dai_clkdiv()
847 		snd_soc_update_bits(codec, WM8900_REG_CLOCKING2,  in wm8900_set_dai_clkdiv()
851 		snd_soc_update_bits(codec, WM8900_REG_CLOCKING2,  in wm8900_set_dai_clkdiv()
855 		snd_soc_update_bits(codec, WM8900_REG_DACCTRL,  in wm8900_set_dai_clkdiv()
869 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8900_set_dai_fmt()  local
872 	clocking1 = snd_soc_read(codec, WM8900_REG_CLOCKING1);  in wm8900_set_dai_fmt()
873 	aif1 = snd_soc_read(codec, WM8900_REG_AUDIO1);  in wm8900_set_dai_fmt()
874 	aif3 = snd_soc_read(codec, WM8900_REG_AUDIO3);  in wm8900_set_dai_fmt()
875 	aif4 = snd_soc_read(codec, WM8900_REG_AUDIO4);  in wm8900_set_dai_fmt()
971 	snd_soc_write(codec, WM8900_REG_CLOCKING1, clocking1);  in wm8900_set_dai_fmt()
972 	snd_soc_write(codec, WM8900_REG_AUDIO1, aif1);  in wm8900_set_dai_fmt()
973 	snd_soc_write(codec, WM8900_REG_AUDIO3, aif3);  in wm8900_set_dai_fmt()
974 	snd_soc_write(codec, WM8900_REG_AUDIO4, aif4);  in wm8900_set_dai_fmt()
981 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8900_digital_mute()  local
984 	reg = snd_soc_read(codec, WM8900_REG_DACCTRL);  in wm8900_digital_mute()
991 	snd_soc_write(codec, WM8900_REG_DACCTRL, reg);  in wm8900_digital_mute()
1031 static int wm8900_set_bias_level(struct snd_soc_codec *codec,  in wm8900_set_bias_level()  argument
1039 		snd_soc_update_bits(codec, WM8900_REG_GPIO,  in wm8900_set_bias_level()
1042 		snd_soc_update_bits(codec, WM8900_REG_ADDCTL,  in wm8900_set_bias_level()
1052 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {  in wm8900_set_bias_level()
1054 			snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1058 			snd_soc_write(codec, WM8900_REG_ADDCTL,  in wm8900_set_bias_level()
1063 			snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1070 			snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1074 			snd_soc_write(codec, WM8900_REG_ADDCTL, 0);  in wm8900_set_bias_level()
1076 			snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1080 		reg = snd_soc_read(codec, WM8900_REG_POWER1);  in wm8900_set_bias_level()
1081 		snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1084 		snd_soc_write(codec, WM8900_REG_POWER2,  in wm8900_set_bias_level()
1086 		snd_soc_write(codec, WM8900_REG_POWER3, 0);  in wm8900_set_bias_level()
1091 		reg = snd_soc_read(codec, WM8900_REG_POWER1);  in wm8900_set_bias_level()
1092 		snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1094 		snd_soc_write(codec, WM8900_REG_ADDCTL,  in wm8900_set_bias_level()
1099 		snd_soc_write(codec, WM8900_REG_POWER1,  in wm8900_set_bias_level()
1104 		snd_soc_write(codec, WM8900_REG_HPCTL1, 0);  in wm8900_set_bias_level()
1107 		snd_soc_write(codec, WM8900_REG_ADDCTL, 0);  in wm8900_set_bias_level()
1108 		snd_soc_write(codec, WM8900_REG_POWER1, 0);  in wm8900_set_bias_level()
1109 		snd_soc_write(codec, WM8900_REG_POWER2, 0);  in wm8900_set_bias_level()
1110 		snd_soc_write(codec, WM8900_REG_POWER3, 0);  in wm8900_set_bias_level()
1116 		snd_soc_write(codec, WM8900_REG_POWER2,  in wm8900_set_bias_level()
1123 static int wm8900_suspend(struct snd_soc_codec *codec)  in wm8900_suspend()  argument
1125 	struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);  in wm8900_suspend()
1131 	ret = wm8900_set_fll(codec, 0, 0, 0);  in wm8900_suspend()
1133 		dev_err(codec->dev, "Failed to stop FLL\n");  in wm8900_suspend()
1140 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);  in wm8900_suspend()
1145 static int wm8900_resume(struct snd_soc_codec *codec)  in wm8900_resume()  argument
1147 	struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);  in wm8900_resume()
1150 	wm8900_reset(codec);  in wm8900_resume()
1154 		dev_err(codec->dev, "Failed to restore cache: %d\n", ret);  in wm8900_resume()
1158 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);  in wm8900_resume()
1168 		ret = wm8900_set_fll(codec, 0, fll_in, fll_out);  in wm8900_resume()
1170 			dev_err(codec->dev, "Failed to restart FLL\n");  in wm8900_resume()
1178 static int wm8900_probe(struct snd_soc_codec *codec)  in wm8900_probe()  argument
1182 	reg = snd_soc_read(codec, WM8900_REG_ID);  in wm8900_probe()
1184 		dev_err(codec->dev, "Device is not a WM8900 - ID %x\n", reg);  in wm8900_probe()
1188 	wm8900_reset(codec);  in wm8900_probe()
1191 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);  in wm8900_probe()
1194 	snd_soc_update_bits(codec, WM8900_REG_LINVOL, 0x100, 0x100);  in wm8900_probe()
1195 	snd_soc_update_bits(codec, WM8900_REG_RINVOL, 0x100, 0x100);  in wm8900_probe()
1196 	snd_soc_update_bits(codec, WM8900_REG_LOUT1CTL, 0x100, 0x100);  in wm8900_probe()
1197 	snd_soc_update_bits(codec, WM8900_REG_ROUT1CTL, 0x100, 0x100);  in wm8900_probe()
1198 	snd_soc_update_bits(codec, WM8900_REG_LOUT2CTL, 0x100, 0x100);  in wm8900_probe()
1199 	snd_soc_update_bits(codec, WM8900_REG_ROUT2CTL, 0x100, 0x100);  in wm8900_probe()
1200 	snd_soc_update_bits(codec, WM8900_REG_LDAC_DV, 0x100, 0x100);  in wm8900_probe()
1201 	snd_soc_update_bits(codec, WM8900_REG_RDAC_DV, 0x100, 0x100);  in wm8900_probe()
1202 	snd_soc_update_bits(codec, WM8900_REG_LADC_DV, 0x100, 0x100);  in wm8900_probe()
1203 	snd_soc_update_bits(codec, WM8900_REG_RADC_DV, 0x100, 0x100);  in wm8900_probe()
1206 	snd_soc_write(codec, WM8900_REG_OUTBIASCTL, 0x81);  in wm8900_probe()