linux-kernel - [PATCH] power: supply: axp288_fuel

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Message-ID: <20240221083425.440108-1-kuoi@bioarchlinux.org>
Date: Wed, 21 Feb 2024 16:34:25 +0800
From: Guoyi Zhang <kuoi@...archlinux.org>
To: sre@...nel.org,
	wens@...e.org,
	hdegoede@...hat.com
Cc: Guoyi Zhang <kuoi@...archlinux.org>,
	linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] power: supply: axp288_fuel_gauge: Deny ROCK Pi X

The ROCK Pi X is a single board computer without batteries using the
AXP288 PMIC where the EFI code does not disable the charger part of 
the PMIC causing us to report a discharging battery with a continuously
consumed battery charge to userspace.

Add it to the deny-list to avoid the bogus battery status reporting.

Signed-off-by: Guoyi Zhang <kuoi@...archlinux.org>
---
 drivers/power/supply/axp288_fuel_gauge.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c
index 3be6f3b10..8f67f5d0d 100644
--- a/drivers/power/supply/axp288_fuel_gauge.c
+++ b/drivers/power/supply/axp288_fuel_gauge.c
@@ -599,6 +599,14 @@ static const struct dmi_system_id axp288_quirks[] = {
 		},
 		.driver_data = NULL,
 	},
+	{
+		/* Radxa ROCK Pi X Single Board Computer */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "ROCK Pi X"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "Radxa"),
+		},
+		.driver_data = (void *)AXP288_QUIRK_NO_BATTERY,
+	},
 	{
 		/*
 		 * Various Ace PC/Meegopad/MinisForum/Wintel Mini-PCs/HDMI-sticks
-- 
2.43.2