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iio: light: tcs3472: fix ATIME register write 

The integration time is controlled by the ATIME register only.  However,
this register is written by i2c_smbus_write_word_data() in write_raw().

We actually don't need to write a subsequent register.  So just use
i2c_smbus_write_byte_data() instead.

Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Akinobu Mita 2017-06-13 00:05:08 +09:00 committed by Jonathan Cameron
parent e5c2ce6bac
commit 53d7d8139f
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/light/tcs3472.c
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@ -169,7 +169,7 @@ static int tcs3472_write_raw(struct iio_dev *indio_dev,
for (i = 0; i < 256; i++) {
if (val2 == (256 - i) * 2400) {
data->atime = i;
return i2c_smbus_write_word_data(
return i2c_smbus_write_byte_data(
data->client, TCS3472_ATIME,
data->atime);
}