950-0659-power-rpi-poe-Drop-CURRENT_AVG-as-it-is-not-hardware.patch

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,
 };