diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0659-power-rpi-poe-Drop-CURRENT_AVG-as-it-is-not-hardware.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0659-power-rpi-poe-Drop-CURRENT_AVG-as-it-is-not-hardware.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0659-power-rpi-poe-Drop-CURRENT_AVG-as-it-is-not-hardware.patch b/target/linux/bcm27xx/patches-5.15/950-0659-power-rpi-poe-Drop-CURRENT_AVG-as-it-is-not-hardware.patch new file mode 100644 index 0000000000..d324323075 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0659-power-rpi-poe-Drop-CURRENT_AVG-as-it-is-not-hardware.patch @@ -0,0 +1,43 @@ +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, + }; |