139 static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg,  in stac9766_ac97_write()  argument
142 	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);  in stac9766_ac97_write()
143 	u16 *cache = codec->reg_cache;  in stac9766_ac97_write()
146 		stac9766_ac97_write(codec, AC97_INT_PAGING, 0);  in stac9766_ac97_write()
148 		stac9766_ac97_write(codec, AC97_INT_PAGING, 1);  in stac9766_ac97_write()
159 static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec,  in stac9766_ac97_read()  argument
162 	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);  in stac9766_ac97_read()
163 	u16 val = 0, *cache = codec->reg_cache;  in stac9766_ac97_read()
166 		stac9766_ac97_write(codec, AC97_INT_PAGING, 0);  in stac9766_ac97_read()
168 		stac9766_ac97_write(codec, AC97_INT_PAGING, 1);  in stac9766_ac97_read()
187 	struct snd_soc_codec *codec = dai->codec;  in ac97_analog_prepare()  local
191 	vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS);  in ac97_analog_prepare()
196 	stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra);  in ac97_analog_prepare()
203 	return stac9766_ac97_write(codec, reg, runtime->rate);  in ac97_analog_prepare()
209 	struct snd_soc_codec *codec = dai->codec;  in ac97_digital_prepare()  local
213 	stac9766_ac97_write(codec, AC97_SPDIF, 0x2002);  in ac97_digital_prepare()
215 	vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS);  in ac97_digital_prepare()
218 	stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra);  in ac97_digital_prepare()
222 	return stac9766_ac97_write(codec, reg, runtime->rate);  in ac97_digital_prepare()
225 static int stac9766_set_bias_level(struct snd_soc_codec *codec,  in stac9766_set_bias_level()  argument
232 		stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000);  in stac9766_set_bias_level()
236 		stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff);  in stac9766_set_bias_level()
239 	codec->dapm.bias_level = level;  in stac9766_set_bias_level()
243 static int stac9766_reset(struct snd_soc_codec *codec, int try_warm)  in stac9766_reset()  argument
245 	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);  in stac9766_reset()
249 		if (stac9766_ac97_read(codec, 0) == stac9766_reg[0])  in stac9766_reset()
256 	if (stac9766_ac97_read(codec, 0) != stac9766_reg[0])  in stac9766_reset()
261 static int stac9766_codec_resume(struct snd_soc_codec *codec)  in stac9766_codec_resume()  argument
263 	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);  in stac9766_codec_resume()
270 		dev_err(codec->dev, "Failed to resume\n");  in stac9766_codec_resume()
276 		stac9766_reset(codec, 0);  in stac9766_codec_resume()
331 static int stac9766_codec_probe(struct snd_soc_codec *codec)  in stac9766_codec_probe()  argument
336 	ac97 = snd_soc_new_ac97_codec(codec);  in stac9766_codec_probe()
340 	snd_soc_codec_set_drvdata(codec, ac97);  in stac9766_codec_probe()
344 	stac9766_reset(codec, 0);  in stac9766_codec_probe()
345 	ret = stac9766_reset(codec, 1);  in stac9766_codec_probe()
347 		dev_err(codec->dev, "Failed to reset: AC97 link error\n");  in stac9766_codec_probe()
358 static int stac9766_codec_remove(struct snd_soc_codec *codec)  in stac9766_codec_remove()  argument
360 	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);  in stac9766_codec_remove()