regulator: wm831x-ldo: Check return value of wm831x_reg_read()
authorAxel Lin <axel.lin@gmail.com>
Tue, 31 Jul 2012 13:28:26 +0000 (21:28 +0800)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Tue, 28 Aug 2012 18:00:25 +0000 (11:00 -0700)
commit363506cd71a5cafeee67b236112f1baf8c30b0ea
tree3fa3b6aa6e7d580cb95b1f3f89884976c91c81f4
parent7c7475c009260d02d56f940816bb7c86fce1542e
regulator: wm831x-ldo: Check return value of wm831x_reg_read()

wm831x_reg_read() returns negative error code on failure.
This prevents using the error code as the value read.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
drivers/regulator/wm831x-ldo.c