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authorNaidu Tellapati <naidu.tellapati@imgtec.com>2015-05-07 18:22:18 -0300
committerJonathan Cameron <jic23@kernel.org>2015-05-12 20:00:58 +0100
commit713276ea88a295a79aa6633ba639ed47692a8de4 (patch)
treed1399ad032b1dafa8fb21d012bd33de779ac65ec /mm/process_vm_access.c
parent13415a998adb1802b5bd6bd5a336331589e866a1 (diff)
iio: adc: cc10001: Fix incorrect use of power-up/power-down register
At present we are incorrectly setting the register to 0x1 to power up the ADC. Since it is an active high power down register, we need to set the register to 0x0 to actually power up. Conversely, writing 0x1 to the register powers it down. This commit adds a couple of helpers to make the code clearer and then use them to do the power-up/power-down properly. Fixes: 1664f6a5b0c8 ("iio: adc: Cosmic Circuits 10001 ADC driver") Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'mm/process_vm_access.c')
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