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Commit 1e30a582 authored by Mark Brown's avatar Mark Brown
Browse files

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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 5420f307

sound/soc/codecs/ak4535.c

+0 −16
Original line number Diff line number Diff line
@@ -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