Quoting Bjorn Andersson (2021-11-01 20:41:15)
> It has been observed that dual edge triggered wakeirq GPIOs on SDM845
> doesn't trigger interrupts on the falling edge.
>
> Enabling wakeirq_dual_edge_errata for SDM845 indicates that the PDC in
> SDM845 suffers from the same problem described, and worked around, by
> Doug in 'c3c0c2e18d94 ("pinctrl: qcom: Handle broken/missing PDC dual
> edge IRQs on sc7180")', so enable the workaround for SDM845 as well.
>
> The specific problem seen without this is that gpio-keys does not detect
> the falling edge of the LID gpio on the Lenovo Yoga C630 and as such
> consistently reports the LID as closed.
>
> Fixes: e35a6ae0eb3a ("pinctrl/msm: Setup GPIO chip in hierarchy")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
