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| author | David Collins <collinsd@codeaurora.org> | 2022-04-25 03:20:05 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-04-25 03:25:13 +0200 |
| commit | 0b65118e6ba3024b8d9330cbca9b4c8b439d2057 (patch) | |
| tree | 8f43e66aad7437dfc2167e81a18133fbc49bf41a /Documentation/process/stable-api-nonsense.rst | |
| parent | Input: pm8941-pwrkey - add support for PON GEN3 base addresses (diff) | |
| download | linux-0b65118e6ba3024b8d9330cbca9b4c8b439d2057.tar.xz linux-0b65118e6ba3024b8d9330cbca9b4c8b439d2057.zip | |
Input: pm8941-pwrkey - add software key press debouncing support
On certain PMICs, an unexpected assertion of KPDPWR_DEB (the
positive logic hardware debounced power key signal) may be seen
during the falling edge of KPDPWR_N (i.e. a power key press) when
it occurs close to the rising edge of SLEEP_CLK. This then
triggers a spurious KPDPWR interrupt.
Handle this issue by adding software debouncing support to ignore
key events that occur within the hardware debounce delay after the
most recent key release event.
Signed-off-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>
Link: https://lore.kernel.org/r/20220422191239.6271-5-quic_amelende@quicinc.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/process/stable-api-nonsense.rst')
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