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From dd73451d7f93925a0aca446c5fef68c543658637 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 20 Jan 2022 15:48:03 +0000
Subject: [PATCH] power: rpi-poe: Drop CURRENT_AVG as it is not
hardware averaged
As documented the _AVG parameters are meant to be hardware
averaged, but the implementation for the PoE+ HAT was done in
software in the firmware.
Drop the property.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/power/supply/rpi_poe_power.c | 10 ----------
1 file changed, 10 deletions(-)
--- a/drivers/power/supply/rpi_poe_power.c
+++ b/drivers/power/supply/rpi_poe_power.c
@@ -106,15 +106,6 @@ static int rpi_poe_power_supply_get_prop
r_val->intval = (val > 5);
return 0;
- case POWER_SUPPLY_PROP_CURRENT_AVG:
- val = 50;
- ret = read_reg(ctx->fw, RPI_POE_ADC_REG, &val);
- if (ret)
- return ret;
- val = (val * 3300)/9821;
- r_val->intval = val * 1000;
- return 0;
-
case POWER_SUPPLY_PROP_CURRENT_NOW:
ret = read_reg(ctx->fw, RPI_POE_ADC_REG, &val);
if (ret)
@@ -145,7 +136,6 @@ static int rpi_poe_power_supply_get_prop
static enum power_supply_property rpi_poe_power_supply_properties[] = {
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_ONLINE,
- POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CURRENT_MAX,
};
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