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ASoC: tlv320aic3x: Remove even more unused code

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Now that we're not implementing GPIO or microphone detection support
there's no users for the read() function any more.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
This commit is contained in:
Mark Brown 2012-02-06 19:19:13 +00:00
parent 87092e3ca4
commit 6035bbcfc0
1 changed files with 0 additions and 24 deletions
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24
sound/soc/codecs/tlv320aic3x.c
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@ -121,30 +121,6 @@ static const u8 aic3x_reg[AIC3X_CACHEREGNUM] = {
0x00, 0x00, 0x02, /* 100 */
};
/*
* read from the aic3x register space. Only use for this function is if
* wanting to read volatile bits from those registers that has both read-only
* and read/write bits. All other cases should use snd_soc_read.
*/
static int aic3x_read(struct snd_soc_codec *codec, unsigned int reg,
u8 *value)
{
u8 *cache = codec->reg_cache;
if (codec->cache_only)
return -EINVAL;
if (reg >= AIC3X_CACHEREGNUM)
return -1;
codec->cache_bypass = 1;
*value = snd_soc_read(codec, reg);
codec->cache_bypass = 0;
cache[reg] = *value;
return 0;
}
#define SOC_DAPM_SINGLE_AIC3X(xname, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, \