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iio: light: Add support for Azoteq IQS621/622 ambient light sensors

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This patch adds support for the Azoteq IQS621 and IQS622 ambient light
sensors, both of which can report a four-bit representation of ambient
light intensity.

The IQS621 can additionally report illuminace directly in units of lux,
while the IQS622 can report a four-bit representation of infrared light
intensity. Furthermore, the IQS622 can report a unitless measurement of
a target's proximity to the device.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Jeff LaBundy
2020-02-16 17:32:10 -06:00
committed by Lee Jones
parent 8ba447109a
commit b081b73820
3 changed files with 628 additions and 0 deletions
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10
drivers/iio/light/Kconfig
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@@ -173,6 +173,16 @@ config GP2AP020A00F
To compile this driver as a module, choose M here: the
module will be called gp2ap020a00f.
config IQS621_ALS
tristate "Azoteq IQS621/622 ambient light sensors"
depends on MFD_IQS62X || COMPILE_TEST
help
Say Y here if you want to build support for the Azoteq IQS621
and IQS622 ambient light sensors.
To compile this driver as a module, choose M here: the module
will be called iqs621-als.
config SENSORS_ISL29018
tristate "Intersil 29018 light and proximity sensor"
depends on I2C