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From: Henrik Grimler <henrik.grimler@axis.com>
To: "Sebastian Reichel" <sre@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Pali Rohár" <pali@kernel.org>, "Andrew F. Davis" <afd@ti.com>,
	"Chris Lapa" <chris@lapa.com.au>, "Dan Murphy" <dmurphy@ti.com>
Cc: <linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	Sebastian Reichel <sebastian.reichel@collabora.com>,
	<kernel@axis.com>, Henrik Grimler <henrik.grimler@axis.com>
Subject: [PATCH 4/5] power: supply: bq27xxx: bq28z610: fix invalid AverageEnergy address
Date: Tue, 11 Aug 2026 13:47:46 +0200	[thread overview]
Message-ID: <20260811-bq27z746-v1-4-3a4fa38205cc@axis.com> (raw)
In-Reply-To: <20260811-bq27z746-v1-0-3a4fa38205cc@axis.com>

bq28z610 currently uses the AveragePower reg, 0x22, for reading both
AveragePower and AvailableEnergy. The technical reference manual does
not mention AvailableEnergy, and it does not make sense to read a
cumulative, always positive, property like AvailableEnergy from a rate
property like AveragePower. Set REG_AE as invalid to fix it.

Fixes: 707d678a5c7c ("power: supply: bq27xxx_battery: Add the BQ28z610 Battery monitor")
Signed-off-by: Henrik Grimler <henrik.grimler@axis.com>
---
 drivers/power/supply/bq27xxx_battery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index e28eca53c7ee..4985eb54090e 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -518,7 +518,7 @@ static u8
 		[BQ27XXX_REG_RC] = 0x10,
 		[BQ27XXX_REG_FCC] = 0x12,
 		[BQ27XXX_REG_CYCT] = 0x2a,
-		[BQ27XXX_REG_AE] = 0x22,
+		[BQ27XXX_REG_AE] = INVALID_REG_ADDR,
 		[BQ27XXX_REG_SOC] = 0x2c,
 		[BQ27XXX_REG_DCAP] = 0x3c,
 		[BQ27XXX_REG_AP] = 0x22,

-- 
2.43.0


  parent reply	other threads:[~2026-08-11 11:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-11 11:47 [PATCH 0/5] power: supply: bq27xxx: add bq27z746, and fix some regs Henrik Grimler
2026-08-11 11:47 ` [PATCH 1/5] dt-bindings: power: bq27xxx: document bq27z746 Henrik Grimler
2026-08-11 11:47 ` [PATCH 2/5] power: supply: bq27xxx: add support for bq27z746 Henrik Grimler
2026-08-11 11:47 ` [PATCH 3/5] power: supply: bq27xxx: bq27520g4: fix REG_TTES address Henrik Grimler
2026-08-11 11:47 ` Henrik Grimler [this message]
2026-08-11 11:47 ` [PATCH 5/5] power: supply: bq27xxx: bq27z561: fix invalid AverageEnergy address Henrik Grimler

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