diff options
| -rw-r--r-- | sound/soc/codecs/stac9766.c | 40 |
1 files changed, 11 insertions, 29 deletions
diff --git a/sound/soc/codecs/stac9766.c b/sound/soc/codecs/stac9766.c index 62cbeedf93b9..9de7fe8af255 100644 --- a/sound/soc/codecs/stac9766.c +++ b/sound/soc/codecs/stac9766.c | |||
| @@ -165,38 +165,22 @@ static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = { | |||
| 165 | SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum), | 165 | SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum), |
| 166 | }; | 166 | }; |
| 167 | 167 | ||
| 168 | static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg, | ||
| 169 | unsigned int val) | ||
| 170 | { | ||
| 171 | return snd_soc_write(codec, reg, val); | ||
| 172 | } | ||
| 173 | |||
| 174 | static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec, | ||
| 175 | unsigned int reg) | ||
| 176 | { | ||
| 177 | return snd_soc_read(codec, reg); | ||
| 178 | } | ||
| 179 | |||
| 180 | static int ac97_analog_prepare(struct snd_pcm_substream *substream, | 168 | static int ac97_analog_prepare(struct snd_pcm_substream *substream, |
| 181 | struct snd_soc_dai *dai) | 169 | struct snd_soc_dai *dai) |
| 182 | { | 170 | { |
| 183 | struct snd_soc_codec *codec = dai->codec; | 171 | struct snd_soc_codec *codec = dai->codec; |
| 184 | struct snd_pcm_runtime *runtime = substream->runtime; | 172 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 185 | unsigned short reg, vra; | 173 | unsigned short reg; |
| 186 | |||
| 187 | vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); | ||
| 188 | 174 | ||
| 189 | vra |= 0x1; /* enable variable rate audio */ | 175 | /* enable variable rate audio, disable SPDIF output */ |
| 190 | vra &= ~0x4; /* disable SPDIF output */ | 176 | snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x1); |
| 191 | |||
| 192 | stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); | ||
| 193 | 177 | ||
| 194 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | 178 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 195 | reg = AC97_PCM_FRONT_DAC_RATE; | 179 | reg = AC97_PCM_FRONT_DAC_RATE; |
| 196 | else | 180 | else |
| 197 | reg = AC97_PCM_LR_ADC_RATE; | 181 | reg = AC97_PCM_LR_ADC_RATE; |
| 198 | 182 | ||
| 199 | return stac9766_ac97_write(codec, reg, runtime->rate); | 183 | return snd_soc_write(codec, reg, runtime->rate); |
| 200 | } | 184 | } |
| 201 | 185 | ||
| 202 | static int ac97_digital_prepare(struct snd_pcm_substream *substream, | 186 | static int ac97_digital_prepare(struct snd_pcm_substream *substream, |
| @@ -204,18 +188,16 @@ static int ac97_digital_prepare(struct snd_pcm_substream *substream, | |||
| 204 | { | 188 | { |
| 205 | struct snd_soc_codec *codec = dai->codec; | 189 | struct snd_soc_codec *codec = dai->codec; |
| 206 | struct snd_pcm_runtime *runtime = substream->runtime; | 190 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 207 | unsigned short reg, vra; | 191 | unsigned short reg; |
| 208 | |||
| 209 | stac9766_ac97_write(codec, AC97_SPDIF, 0x2002); | ||
| 210 | 192 | ||
| 211 | vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); | 193 | snd_soc_write(codec, AC97_SPDIF, 0x2002); |
| 212 | vra |= 0x5; /* Enable VRA and SPDIF out */ | ||
| 213 | 194 | ||
| 214 | stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); | 195 | /* Enable VRA and SPDIF out */ |
| 196 | snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x5); | ||
| 215 | 197 | ||
| 216 | reg = AC97_PCM_FRONT_DAC_RATE; | 198 | reg = AC97_PCM_FRONT_DAC_RATE; |
| 217 | 199 | ||
| 218 | return stac9766_ac97_write(codec, reg, runtime->rate); | 200 | return snd_soc_write(codec, reg, runtime->rate); |
| 219 | } | 201 | } |
| 220 | 202 | ||
| 221 | static int stac9766_set_bias_level(struct snd_soc_codec *codec, | 203 | static int stac9766_set_bias_level(struct snd_soc_codec *codec, |
| @@ -225,11 +207,11 @@ static int stac9766_set_bias_level(struct snd_soc_codec *codec, | |||
| 225 | case SND_SOC_BIAS_ON: /* full On */ | 207 | case SND_SOC_BIAS_ON: /* full On */ |
| 226 | case SND_SOC_BIAS_PREPARE: /* partial On */ | 208 | case SND_SOC_BIAS_PREPARE: /* partial On */ |
| 227 | case SND_SOC_BIAS_STANDBY: /* Off, with power */ | 209 | case SND_SOC_BIAS_STANDBY: /* Off, with power */ |
| 228 | stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000); | 210 | snd_soc_write(codec, AC97_POWERDOWN, 0x0000); |
| 229 | break; | 211 | break; |
| 230 | case SND_SOC_BIAS_OFF: /* Off, without power */ | 212 | case SND_SOC_BIAS_OFF: /* Off, without power */ |
| 231 | /* disable everything including AC link */ | 213 | /* disable everything including AC link */ |
| 232 | stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff); | 214 | snd_soc_write(codec, AC97_POWERDOWN, 0xffff); |
| 233 | break; | 215 | break; |
| 234 | } | 216 | } |
| 235 | return 0; | 217 | return 0; |
