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30 lines
1.2 KiB
Diff
30 lines
1.2 KiB
Diff
From ee6f25f23ff2820d11bc7a4afcf99518359e1c8d Mon Sep 17 00:00:00 2001
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From: Hector Martin <marcan@marcan.st>
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Date: Tue, 15 Feb 2022 02:24:13 +0900
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Subject: [PATCH 145/171] power: supply: macsmc_power: Turn off OBC flags if
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macOS left them on
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Signed-off-by: Hector Martin <marcan@marcan.st>
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---
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drivers/power/supply/macsmc_power.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/drivers/power/supply/macsmc_power.c b/drivers/power/supply/macsmc_power.c
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index b9aa6af32104..4a8a90b775dd 100644
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--- a/drivers/power/supply/macsmc_power.c
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+++ b/drivers/power/supply/macsmc_power.c
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@@ -415,6 +415,10 @@ static int macsmc_power_probe(struct platform_device *pdev)
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apple_smc_read(smc, SMC_KEY(BMSN), power->serial_number, sizeof(power->serial_number) - 1);
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apple_smc_read(smc, SMC_KEY(BMDT), power->mfg_date, sizeof(power->mfg_date) - 1);
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+ /* Turn off the "optimized battery charging" flags, in case macOS left them on */
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+ apple_smc_write_u8(power->smc, SMC_KEY(CH0K), 0);
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+ apple_smc_write_u8(power->smc, SMC_KEY(CH0B), 0);
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+
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psy_cfg.drv_data = power;
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power->psy = devm_power_supply_register(&pdev->dev, &macsmc_battery_desc, &psy_cfg);
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if (IS_ERR(power->psy)) {
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--
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2.34.1
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