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ASoC: Remove unused AK4535 hardware read functionality

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Nothing uses it and the existing hw_read operation needs to be
refectored so it's easier to remove it rather than work with it.
Support can be re-added if the code requires volatile registers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-07-05 17:28:41 +01:00
parent 5420f30723
commit 1e30a5828e
1 changed files with 0 additions and 16 deletions
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16
sound/soc/codecs/ak4535.c
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@ -59,21 +59,6 @@ static inline unsigned int ak4535_read_reg_cache(struct snd_soc_codec *codec,
return cache[reg];
}
static inline unsigned int ak4535_read(struct snd_soc_codec *codec,
unsigned int reg)
{
u8 data;
data = reg;
if (codec->hw_write(codec->control_data, &data, 1) != 1)
return -EIO;
if (codec->hw_read(codec->control_data, &data, 1) != 1)
return -EIO;
return data;
};
/*
* write ak4535 register cache
*/
@ -635,7 +620,6 @@ static int ak4535_probe(struct platform_device *pdev)
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
codec->hw_write = (hw_write_t)i2c_master_send;
codec->hw_read = (hw_read_t)i2c_master_recv;
ret = ak4535_add_i2c_device(pdev, setup);
}
#endif