From ae6f61870490c10a0b0436e5afffa00c9dacffef Mon Sep 17 00:00:00 2001 From: Lan Tianyu Date: Thu, 30 Jun 2011 11:32:40 +0800 Subject: [PATCH] ACPI / Battery: Add the power unit macro This patch is cosmetic only, and makes no functional change. Signed-off-by: Lan Tianyu Signed-off-by: Len Brown --- drivers/acpi/battery.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index fcc13ac0aa18..611434f413db 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -55,6 +55,9 @@ #define ACPI_BATTERY_NOTIFY_INFO 0x81 #define ACPI_BATTERY_NOTIFY_THRESHOLD 0x82 +/* Battery power unit: 0 means mW, 1 means mA */ +#define ACPI_BATTERY_POWER_UNIT_MA 1 + #define _COMPONENT ACPI_BATTERY_COMPONENT ACPI_MODULE_NAME("battery"); @@ -301,7 +304,8 @@ static enum power_supply_property energy_battery_props[] = { #ifdef CONFIG_ACPI_PROCFS_POWER inline char *acpi_battery_units(struct acpi_battery *battery) { - return (battery->power_unit)?"mA":"mW"; + return (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) ? + "mA" : "mW"; } #endif @@ -544,7 +548,7 @@ static int sysfs_add_battery(struct acpi_battery *battery) { int result; - if (battery->power_unit) { + if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { battery->bat.properties = charge_battery_props; battery->bat.num_properties = ARRAY_SIZE(charge_battery_props); @@ -575,7 +579,8 @@ static void sysfs_remove_battery(struct acpi_battery *battery) static void acpi_battery_quirks(struct acpi_battery *battery) { - if (dmi_name_in_vendors("Acer") && battery->power_unit) { + if (dmi_name_in_vendors("Acer") && + battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { set_bit(ACPI_BATTERY_QUIRK_SIGNED16_CURRENT, &battery->flags); } }