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Date: Tue, 2 Nov 2021 06:38:36 -0700 From: Doug Anderson <dianders@...omium.org> To: Bjorn Andersson <bjorn.andersson@...aro.org> Cc: Linus Walleij <linus.walleij@...aro.org>, Stephen Boyd <swboyd@...omium.org>, linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, Steev Klimaszewski <steev@...i.org> Subject: Re: [PATCH] pinctrl: qcom: sdm845: Enable dual edge errata Hi, On Mon, Nov 1, 2021 at 8:41 PM Bjorn Andersson <bjorn.andersson@...aro.org> wrote: > > 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@...aro.org> > --- > drivers/pinctrl/qcom/pinctrl-sdm845.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Douglas Anderson <dianders@...omium.org>
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