ASoC: Remove unused AK4535 hardware read functionality
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>
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@ -59,21 +59,6 @@ static inline unsigned int ak4535_read_reg_cache(struct snd_soc_codec *codec,
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return cache[reg];
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}
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static inline unsigned int ak4535_read(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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u8 data;
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data = reg;
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if (codec->hw_write(codec->control_data, &data, 1) != 1)
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return -EIO;
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if (codec->hw_read(codec->control_data, &data, 1) != 1)
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return -EIO;
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return data;
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};
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/*
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* write ak4535 register cache
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*/
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@ -635,7 +620,6 @@ static int ak4535_probe(struct platform_device *pdev)
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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if (setup->i2c_address) {
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codec->hw_write = (hw_write_t)i2c_master_send;
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codec->hw_read = (hw_read_t)i2c_master_recv;
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ret = ak4535_add_i2c_device(pdev, setup);
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}
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#endif
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