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ASoC: adau1701: fix adau1701_reg_read() 

Fix a long standing bug in the read register routing of adau1701.
The bytes arrive in the buffer in big-endian, so the result has to be
shifted before and-ing the bytes in the loop.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Daniel Mack 2014-07-03 16:51:36 +02:00 committed by Mark Brown
parent 7171511eae
commit 3ad80b828b
1 changed files with 4 additions and 2 deletions
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6
sound/soc/codecs/adau1701.c
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@ -230,8 +230,10 @@ static int adau1701_reg_read(void *context, unsigned int reg,
*value = 0;
for (i = 0; i < size; i++)
*value |= recv_buf[i] << (i * 8);
for (i = 0; i < size; i++) {
*value <<= 8;
*value |= recv_buf[i];
}
return 0;
}