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Depending on the IP version, TSENS supports upper, lower and critical threshold interrupts. We only add support for upper and lower threshold interrupts for now. TSENSv2 has an irq [status|clear|mask] bit tuple for each sensor while earlier versions only have a single bit per sensor to denote status and clear. These differences are handled transparently by the interrupt handler. At each interrupt, we reprogram the new upper and lower threshold in the .set_trip callback. Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/7508ba143f144407e5dd546107ddae65c380a76f.1572526427.git.amit.kucheria@linaro.org