mfd: intel_soc_pmic_bxtwc: Chain power button IRQs as well
[ Upstream commit 9f8ddee1 ] Power button IRQ actually has a second level of interrupts to distinguish between UI and POWER buttons. Moreover, current implementation looks awkward in approach to handle second level IRQs by first level related IRQ chip. To address above issues, split power button IRQ to be chained as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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