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authorPeter Rosin <peda@axentia.se>2016-11-08 12:58:56 +0100
committerJonathan Cameron <jic23@kernel.org>2016-11-13 13:07:15 +0000
commit7fde1484af21f9668e9575bd8a119ebc4fe6fe42 (patch)
tree99e62de525a9976f355f5916bdcad5c6a0bfba64 /drivers/scsi/sr_vendor.c
parented13134ba8c021d484d712a54c285da312567b39 (diff)
downloadlinux-7fde1484af21f9668e9575bd8a119ebc4fe6fe42.tar.bz2
iio: dpot-dac: DAC driver based on a digital potentiometer
It is assumed that the dpot is used as a voltage divider between the current dpot wiper setting and the maximum resistance of the dpot. The divided voltage is provided by a vref regulator. .------. .-----------. | | | vref |--' .---. | regulator |--. | | '-----------' | | d | | | p | | | o | wiper | | t |<---------+ | | | | '---' dac output voltage | | '------+------------+ Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/scsi/sr_vendor.c')
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