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authorDavid Wu <david.wu@rock-chips.com>2021-08-10 09:10:07 +0800
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-08-15 16:58:37 +0100
commitcabd6e9cf22dc80544c3eb09c4169a05e94a6d3f (patch)
treebaf588840a587f6891cf2f1be7c007dbb1cb74f3 /drivers/siox
parentb76d26d69ecc97ebb24aaf40427a13c808a4f488 (diff)
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iio: adc: rockchip_saradc: add voltage notifier so get referenced voltage once at probe
Add voltage notifier, no need to query regulator voltage for every saradc read, just get regulator voltage once at probe. Signed-off-by: David Wu <david.wu@rock-chips.com> Signed-off-by: Simon Xue <xxm@rock-chips.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20210810011007.54066-1-xxm@rock-chips.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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