From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
[ Upstream commit 9d816b423dab5b59beec5e39b97428feac599ba7 ]
The Maxim fuel gauge datasheets describe the interrupt line as active
low with a requirement of acknowledge from the CPU. The falling edge
interrupt will mostly work but it's not correct.
Fixes: 45dfa741df86 ("ARM: dts: qcom: msm8974-lge-nexus5: Add fuel gauge")
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Acked-by: Iskren Chernev <iskren.chernev@xxxxxxxxx>
Link: https://lore.kernel.org/r/20210303182816.137255-1-krzk@xxxxxxxxxx
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index e769f638f205..4c6f54aa9f66 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -575,7 +575,7 @@
maxim,rcomp = /bits/ 8 <0x4d>;
interrupt-parent = <&msmgpio>;
- interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&fuelgauge_pin>;
--
2.30.2
