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authorTomas Novotny <tomas@novotny.cz>2016-10-18 20:43:08 +0300
committerJonathan Cameron <jic23@kernel.org>2016-10-23 21:34:23 +0300
commit29157c6d601db8cb9f3bea93fc933b73db3bf869 (patch)
tree52c2b4ea6db8e053859b73aa5f1b1d74daf07b10 /drivers/power
parent8b0ee39f4de13f9d8b50846621e558b78b7defff (diff)
downloadlinux-29157c6d601db8cb9f3bea93fc933b73db3bf869.tar.xz
iio: dac: mcp4725: support voltage reference selection
MCP47x6 chip supports selection of a voltage reference (VDD, VREF buffered or unbuffered). MCP4725 doesn't have this feature thus the eventual setting is ignored and user is warned. The setting is stored only in the volatile memory of the chip. You need to manually store it to the EEPROM of the chip via 'store_eeprom' sysfs entry. Signed-off-by: Tomas Novotny <tomas@novotny.cz> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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