ASoC: io: Remove hw_read() operation

We now no longer have any users of hw_read() in the kernel so remove the
code in order to prevent any new users being added. Users should be using
regmap.

Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 6d0b6cb..14fb921 100644 (file)
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -695,7 +695,6 @@ struct snd_soc_codec {
        /* codec IO */
        void *control_data; /* codec control (i2c/3wire) data */
        hw_write_t hw_write;
-       unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
        unsigned int (*read)(struct snd_soc_codec *, unsigned int);
        int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
        void *reg_cache;