@@ -165,38 +165,22 @@ static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = {
SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum),
};
-static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int val)
-{
- return snd_soc_write(codec, reg, val);
-}
-
-static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return snd_soc_read(codec, reg);
-}
-
static int ac97_analog_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned short reg, vra;
-
- vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS);
+ unsigned short reg;
- vra |= 0x1; /* enable variable rate audio */
- vra &= ~0x4; /* disable SPDIF output */
-
- stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra);
+ /* enable variable rate audio, disable SPDIF output */
+ snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = AC97_PCM_FRONT_DAC_RATE;
else
reg = AC97_PCM_LR_ADC_RATE;
- return stac9766_ac97_write(codec, reg, runtime->rate);
+ return snd_soc_write(codec, reg, runtime->rate);
}
static int ac97_digital_prepare(struct snd_pcm_substream *substream,
@@ -204,18 +188,16 @@ static int ac97_digital_prepare(struct snd_pcm_substream *substream,
{
struct snd_soc_codec *codec = dai->codec;
struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned short reg, vra;
-
- stac9766_ac97_write(codec, AC97_SPDIF, 0x2002);
+ unsigned short reg;
- vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS);
- vra |= 0x5; /* Enable VRA and SPDIF out */
+ snd_soc_write(codec, AC97_SPDIF, 0x2002);
- stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra);
+ /* Enable VRA and SPDIF out */
+ snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x5);
reg = AC97_PCM_FRONT_DAC_RATE;
- return stac9766_ac97_write(codec, reg, runtime->rate);
+ return snd_soc_write(codec, reg, runtime->rate);
}
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,
case SND_SOC_BIAS_ON: /* full On */
case SND_SOC_BIAS_PREPARE: /* partial On */
case SND_SOC_BIAS_STANDBY: /* Off, with power */
- stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000);
+ snd_soc_write(codec, AC97_POWERDOWN, 0x0000);
break;
case SND_SOC_BIAS_OFF: /* Off, without power */
/* disable everything including AC link */
- stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff);
+ snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
break;
}
return 0;