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44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
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From 1a9e61cf83ad61803255a749d89957aabe80ba98 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 20 Jan 2022 15:48:03 +0000
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Subject: [PATCH] power: rpi-poe: Drop CURRENT_AVG as it is not
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hardware averaged
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As documented the _AVG parameters are meant to be hardware
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averaged, but the implementation for the PoE+ HAT was done in
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software in the firmware.
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Drop the property.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/power/supply/rpi_poe_power.c | 10 ----------
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1 file changed, 10 deletions(-)
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--- a/drivers/power/supply/rpi_poe_power.c
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+++ b/drivers/power/supply/rpi_poe_power.c
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@@ -106,15 +106,6 @@ static int rpi_poe_power_supply_get_prop
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r_val->intval = (val > 5);
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return 0;
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- case POWER_SUPPLY_PROP_CURRENT_AVG:
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- val = 50;
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- ret = read_reg(ctx->fw, RPI_POE_ADC_REG, &val);
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- if (ret)
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- return ret;
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- val = (val * 3300)/9821;
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- r_val->intval = val * 1000;
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- return 0;
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-
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case POWER_SUPPLY_PROP_CURRENT_NOW:
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ret = read_reg(ctx->fw, RPI_POE_ADC_REG, &val);
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if (ret)
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@@ -145,7 +136,6 @@ static int rpi_poe_power_supply_get_prop
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static enum power_supply_property rpi_poe_power_supply_properties[] = {
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POWER_SUPPLY_PROP_HEALTH,
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POWER_SUPPLY_PROP_ONLINE,
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- POWER_SUPPLY_PROP_CURRENT_AVG,
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POWER_SUPPLY_PROP_CURRENT_NOW,
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POWER_SUPPLY_PROP_CURRENT_MAX,
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};
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