diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-08-08 10:37:33 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-08-08 10:37:33 +0100 |
commit | 35b1207b34975d7ff2ea014171229c02bdb066f1 (patch) | |
tree | 1d4cb045f24268929481c296e5e9adc69841df03 /sound/soc/codecs/wm8776.c | |
parent | 7ae5945f0cacdfa30ed3257892dbea75bc959a28 (diff) | |
download | linux-35b1207b34975d7ff2ea014171229c02bdb066f1.tar.bz2 |
ASoC: Convert WM8776 to use factored out register cache code
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8776.c')
-rw-r--r-- | sound/soc/codecs/wm8776.c | 59 |
1 files changed, 11 insertions, 48 deletions
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c index ee12bf824a40..a9829aa26e53 100644 --- a/sound/soc/codecs/wm8776.c +++ b/sound/soc/codecs/wm8776.c @@ -52,51 +52,9 @@ static const u16 wm8776_reg[WM8776_CACHEREGNUM] = { 0xa6, 0x01, 0x01 }; -/* - * read wm8776 register cache - */ -static inline unsigned int wm8776_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - if (reg >= WM8776_CACHEREGNUM) - return -1; - return cache[reg]; -} - -/* - * write wm8776 register cache - */ -static inline void wm8776_write_reg_cache(struct snd_soc_codec *codec, - u16 reg, unsigned int value) -{ - u16 *cache = codec->reg_cache; - if (reg >= WM8776_CACHEREGNUM) - return; - cache[reg] = value; -} - -/* - * write to the WM8776 register space - */ -static int wm8776_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u8 data[2]; - - data[0] = (reg << 1) | ((value >> 8) & 0x0001); - data[1] = value & 0x00ff; - - wm8776_write_reg_cache(codec, reg, value); - if (codec->hw_write(codec->control_data, data, 2) == 2) - return 0; - else - return -EIO; -} - static int wm8776_reset(struct snd_soc_codec *codec) { - return wm8776_write(codec, WM8776_RESET, 0); + return snd_soc_write(codec, WM8776_RESET, 0); } static const DECLARE_TLV_DB_SCALE(hp_tlv, -12100, 100, 1); @@ -523,7 +481,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8776 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm8776); -static int wm8776_register(struct wm8776_priv *wm8776) +static int wm8776_register(struct wm8776_priv *wm8776, + enum snd_soc_control_type control) { int ret, i; struct snd_soc_codec *codec = &wm8776->codec; @@ -541,8 +500,6 @@ static int wm8776_register(struct wm8776_priv *wm8776) codec->private_data = wm8776; codec->name = "WM8776"; codec->owner = THIS_MODULE; - codec->read = wm8776_read_reg_cache; - codec->write = wm8776_write; codec->bias_level = SND_SOC_BIAS_OFF; codec->set_bias_level = wm8776_set_bias_level; codec->dai = wm8776_dai; @@ -552,6 +509,12 @@ static int wm8776_register(struct wm8776_priv *wm8776) memcpy(codec->reg_cache, wm8776_reg, sizeof(wm8776_reg)); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); + if (ret < 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + goto err; + } + for (i = 0; i < ARRAY_SIZE(wm8776_dai); i++) wm8776_dai[i].dev = codec->dev; @@ -641,7 +604,7 @@ static int __devinit wm8776_spi_probe(struct spi_device *spi) dev_set_drvdata(&spi->dev, wm8776); - return wm8776_register(wm8776); + return wm8776_register(wm8776, SND_SOC_SPI); } static int __devexit wm8776_spi_remove(struct spi_device *spi) @@ -700,7 +663,7 @@ static __devinit int wm8776_i2c_probe(struct i2c_client *i2c, codec->dev = &i2c->dev; - return wm8776_register(wm8776); + return wm8776_register(wm8776, SND_SOC_I2C); } static __devexit int wm8776_i2c_remove(struct i2c_client *client) |