linux-kernel - [PATCH] power: supply: bq27xxx: Fix registers of bq27426

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Message-Id: <20240907-fix_bq27426-v1-1-bdd48c4706ad@mainlining.org>
Date: Sat, 07 Sep 2024 11:37:18 +0200
From: "Barnabás Czémán" <trabarni@...il.com>
To: Pali Rohár <pali@...nel.org>, 
 Sebastian Reichel <sre@...nel.org>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Barnabás Czémán <barnabas.czeman@...nlining.org>
Subject: [PATCH] power: supply: bq27xxx: Fix registers of bq27426

Correct bq27426 registers, according to technical reference manual
it does not have Design Capacity register so it is not register
compatible with b27421.

Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
---
 drivers/power/supply/bq27xxx_battery.c | 37 ++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index 750fda543308..51fb88aca0f9 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -449,9 +449,29 @@ static u8
 		[BQ27XXX_REG_AP] = 0x18,
 		BQ27XXX_DM_REG_ROWS,
 	},
+	bq27426_regs[BQ27XXX_REG_MAX] = {
+		[BQ27XXX_REG_CTRL] = 0x00,
+		[BQ27XXX_REG_TEMP] = 0x02,
+		[BQ27XXX_REG_INT_TEMP] = 0x1e,
+		[BQ27XXX_REG_VOLT] = 0x04,
+		[BQ27XXX_REG_AI] = 0x10,
+		[BQ27XXX_REG_FLAGS] = 0x06,
+		[BQ27XXX_REG_TTE] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_TTF] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_TTES] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_TTECP] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_NAC] = 0x08,
+		[BQ27XXX_REG_RC] = 0x0c,
+		[BQ27XXX_REG_FCC] = 0x0e,
+		[BQ27XXX_REG_CYCT] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_AE] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_SOC] = 0x1c,
+		[BQ27XXX_REG_DCAP] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_AP] = 0x18,
+		BQ27XXX_DM_REG_ROWS,
+	},
 #define bq27411_regs bq27421_regs
 #define bq27425_regs bq27421_regs
-#define bq27426_regs bq27421_regs
 #define bq27441_regs bq27421_regs
 #define bq27621_regs bq27421_regs
 	bq27z561_regs[BQ27XXX_REG_MAX] = {
@@ -769,10 +789,23 @@ static enum power_supply_property bq27421_props[] = {
 };
 #define bq27411_props bq27421_props
 #define bq27425_props bq27421_props
-#define bq27426_props bq27421_props
 #define bq27441_props bq27421_props
 #define bq27621_props bq27421_props
 
+static enum power_supply_property bq27426_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
+	POWER_SUPPLY_PROP_TEMP,
+	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CHARGE_FULL,
+	POWER_SUPPLY_PROP_CHARGE_NOW,
+	POWER_SUPPLY_PROP_MANUFACTURER,
+};
+
 static enum power_supply_property bq27z561_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,

---
base-commit: 9aaeb87ce1e966169a57f53a02ba05b30880ffb8
change-id: 20240907-fix_bq27426-0d02bb2ac814

Best regards,
-- 
Barnabás Czémán <barnabas.czeman@...nlining.org>