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authorWilliam Breathitt Gray <vilhelm.gray@gmail.com>2018-03-22 13:59:37 +0100
committerLinus Walleij <linus.walleij@linaro.org>2018-03-26 10:10:18 +0200
commit15f59cfff92bcbbb67e1b7ebb4d10b845797bdeb (patch)
treef730e0d79580385290b2ae9cd5a131285c51f31b /drivers/gpio/gpio-pci-idio-16.c
parentDocumentation: gpio: Move drivers-on-gpio.txt to driver-api (diff)
downloadlinux-15f59cfff92bcbbb67e1b7ebb4d10b845797bdeb.tar.xz
linux-15f59cfff92bcbbb67e1b7ebb4d10b845797bdeb.zip
gpio: 104-idio-16: Implement get_multiple callback
The ACCES I/O 104-IDIO-16 series of devices provides 16 optically-isolated digital inputs accessed via two 8-bit ports. Since eight input lines are acquired on a single port input read, the 104-IDIO-16 GPIO driver may improve multiple input reads by utilizing a get_multiple callback. This patch implements the idio_16_gpio_get_multiple function which serves as the respective get_multiple callback. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-pci-idio-16.c')
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