diff options
Diffstat (limited to 'sound/soc/codecs/ak4642.c')
| -rw-r--r-- | sound/soc/codecs/ak4642.c | 104 |
1 files changed, 23 insertions, 81 deletions
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index 65f46047b1cb..d8fc04486abb 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -156,81 +156,22 @@ static const struct snd_kcontrol_new ak4642_snd_controls[] = { struct ak4642_priv { unsigned int sysclk; enum snd_soc_control_type control_type; - void *control_data; }; /* * ak4642 register cache */ -static const u16 ak4642_reg[AK4642_CACHEREGNUM] = { - 0x0000, 0x0000, 0x0001, 0x0000, - 0x0002, 0x0000, 0x0000, 0x0000, - 0x00e1, 0x00e1, 0x0018, 0x0000, - 0x00e1, 0x0018, 0x0011, 0x0008, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, -}; - -/* - * read ak4642 register cache - */ -static inline unsigned int ak4642_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - if (reg >= AK4642_CACHEREGNUM) - return -1; - return cache[reg]; -} - -/* - * write ak4642 register cache - */ -static inline void ak4642_write_reg_cache(struct snd_soc_codec *codec, - u16 reg, unsigned int value) -{ - u16 *cache = codec->reg_cache; - if (reg >= AK4642_CACHEREGNUM) - return; - - cache[reg] = value; -} - -/* - * write to the AK4642 register space - */ -static int ak4642_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u8 data[2]; - - /* data is - * D15..D8 AK4642 register offset - * D7...D0 register data - */ - data[0] = reg & 0xff; - data[1] = value & 0xff; - - if (codec->hw_write(codec->control_data, data, 2) == 2) { - ak4642_write_reg_cache(codec, reg, value); - return 0; - } else - return -EIO; -} - -static int ak4642_sync(struct snd_soc_codec *codec) -{ - u16 *cache = codec->reg_cache; - int i, r = 0; - - for (i = 0; i < AK4642_CACHEREGNUM; i++) - r |= ak4642_write(codec, i, cache[i]); - - return r; +static const u8 ak4642_reg[AK4642_CACHEREGNUM] = { + 0x00, 0x00, 0x01, 0x00, + 0x02, 0x00, 0x00, 0x00, + 0xe1, 0xe1, 0x18, 0x00, + 0xe1, 0x18, 0x11, 0x08, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, }; static int ak4642_dai_startup(struct snd_pcm_substream *substream, @@ -252,8 +193,8 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, */ snd_soc_update_bits(codec, MD_CTL4, DACH, DACH); snd_soc_update_bits(codec, MD_CTL3, BST1, BST1); - ak4642_write(codec, L_IVC, 0x91); /* volume */ - ak4642_write(codec, R_IVC, 0x91); /* volume */ + snd_soc_write(codec, L_IVC, 0x91); /* volume */ + snd_soc_write(codec, R_IVC, 0x91); /* volume */ snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMMIN | PMDAC, PMVCM | PMMIN | PMDAC); snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP); @@ -272,9 +213,9 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, * This operation came from example code of * "ASAHI KASEI AK4642" (japanese) manual p94. */ - ak4642_write(codec, SG_SL1, PMMP | MGAIN0); - ak4642_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); - ak4642_write(codec, ALC_CTL1, ALC | LMTH0); + snd_soc_write(codec, SG_SL1, PMMP | MGAIN0); + snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); + snd_soc_write(codec, ALC_CTL1, ALC | LMTH0); snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMADL, PMVCM | PMADL); snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR); @@ -462,7 +403,7 @@ static struct snd_soc_dai_driver ak4642_dai = { static int ak4642_resume(struct snd_soc_codec *codec) { - ak4642_sync(codec); + snd_soc_cache_sync(codec); return 0; } @@ -470,11 +411,15 @@ static int ak4642_resume(struct snd_soc_codec *codec) static int ak4642_probe(struct snd_soc_codec *codec) { struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec); + int ret; dev_info(codec->dev, "AK4642 Audio Codec %s", AK4642_VERSION); - codec->hw_write = (hw_write_t)i2c_master_send; - codec->control_data = ak4642->control_data; + ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4642->control_type); + if (ret < 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + return ret; + } snd_soc_add_controls(codec, ak4642_snd_controls, ARRAY_SIZE(ak4642_snd_controls)); @@ -485,8 +430,6 @@ static int ak4642_probe(struct snd_soc_codec *codec) static struct snd_soc_codec_driver soc_codec_dev_ak4642 = { .probe = ak4642_probe, .resume = ak4642_resume, - .read = ak4642_read_reg_cache, - .write = ak4642_write, .reg_cache_size = ARRAY_SIZE(ak4642_reg), .reg_word_size = sizeof(u8), .reg_cache_default = ak4642_reg, @@ -504,7 +447,6 @@ static __devinit int ak4642_i2c_probe(struct i2c_client *i2c, return -ENOMEM; i2c_set_clientdata(i2c, ak4642); - ak4642->control_data = i2c; ak4642->control_type = SND_SOC_I2C; ret = snd_soc_register_codec(&i2c->dev, |
