tree 9ecd94ba19b7a39354b4fdd5d85cf8e6a246ab90
parent 2ce7c62d1b18dca13c715c6bc2eea17f723576ff
author Mika Westerberg <mika.westerberg@linux.intel.com> 1364986614 +0300
committer Linus Walleij <linus.walleij@linaro.org> 1365719478 +0200

gpiolib-acpi: introduce acpi_get_gpio_by_index() helper

Instead of open-coding ACPI GPIO resource lookup in each driver, we provide
a helper function analogous to Device Tree version that allows drivers to
specify which GPIO resource they are interested (using an index to the GPIO
resources). The function then finds out the correct resource, translates
the ACPI GPIO number to the corresponding Linux GPIO number and returns
that.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>