iio: adc: xilinx: check return value of xadc_write_adc_reg

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In function xadc_probe, xadc_write_adc_reg can return an error value
when write fails. The fix checks for the return value consistent with
other invocations of the latter function.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Aditya Pakki 2018-12-27 13:54:52 -06:00 • committed by Jonathan Cameron

parent b002bf5f8d

commit 7fc93f3285

1 changed files with 3 additions and 1 deletions

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drivers/iio/adc/xilinx-xadc-core.c

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