On Fri, Dec 15, 2017 at 5:57 PM, Ognjen Galic <[email protected]> wrote:
> The EC/ACPI firmware on Lenovo ThinkPads used to report a status
> of "Unknown" when the battery is between the charge start and
> charge stop thresholds. On Windows, it reports "Not Charging"
> so the quirk has been added to also report correctly.
>
> Now the "status" attribute returns "Not Charging" when the
> battery on ThinkPads is not physicaly charging.
>
> Tested-by: Kevin Locke <[email protected]>
> Tested-by: Christoph Böhmwalder <[email protected]>
> Signed-off-by: Ognjen Galic <[email protected]>
It doesn't look like this is related to the [1/3] and [3/3], so why do
you make it part of the series?
> ---
> drivers/acpi/battery.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
> index 2951d07..81e9b4e 100644
> --- a/drivers/acpi/battery.c
> +++ b/drivers/acpi/battery.c
> @@ -71,6 +71,7 @@ static async_cookie_t async_cookie;
> static bool battery_driver_registered;
> static int battery_bix_broken_package;
> static int battery_notification_delay_ms;
> +static int battery_quirk_thinkpad_notcharging;
Drop "thinkpad" from this name as somebody may need to use the quirk
for a machine from a different vendor in the future.
> static unsigned int cache_time = 1000;
> module_param(cache_time, uint, 0644);
> MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
> @@ -222,6 +223,13 @@ static int acpi_battery_get_property(struct power_supply
> *psy,
> val->intval = POWER_SUPPLY_STATUS_CHARGING;
> else if (acpi_battery_is_charged(battery))
> val->intval = POWER_SUPPLY_STATUS_FULL;
> + /*
> + * On the Lenovo ThinkPad ACPI implementation, when
> + * neither bits 0 or 1 are set, that state is
> + * considered as "Not Charging".
> + */
> + else if (battery_quirk_thinkpad_notcharging)
> + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
> else
> val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
> break;
> @@ -1301,6 +1309,13 @@ battery_notification_delay_quirk(const struct
> dmi_system_id *d)
> return 0;
> }
>
> +static int __init
> +battery_quirk_not_charging(const struct dmi_system_id *d)
Don't break the above line (it will be over 80 chars long, but that's fine).
> +{
> + battery_quirk_thinkpad_notcharging = 1;
> + return 0;
> +}
> +
> static const struct dmi_system_id bat_dmi_table[] __initconst = {
> {
> .callback = battery_bix_broken_package_quirk,
> @@ -1318,6 +1333,14 @@ static const struct dmi_system_id bat_dmi_table[]
> __initconst = {
> DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-573G"),
> },
> },
> + {
Add a comment to describe this quirk (which it is needed in the first place).
> + .callback = battery_quirk_not_charging,
> + .ident = "Lenovo ThinkPad",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad"),
> + },
> + },
> {},
> };
>
> --
Thanks,
Rafael
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