Hi, On Mon, Apr 22, 2019 at 10:43:01PM +0200, Hans de Goede wrote: > The ACEPC T8 and T11 Cherry Trail Z8350 mini PCs use an AXP288 and as PCs, > rather then portables, they does not have a battery. Still for some > reason the AXP288 not only thinks there is a battery, it actually > thinks it is discharging while the PC is running, slowly going to > 0% full, causing userspace to shutdown the system due to the battery > being critically low after a while. > > This commit adds the ACEPC T8 and T11 to the axp288 fuel-gauge driver > blacklist, so that we stop reporting bogus battery readings on this device. > > BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1690852 > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- Thanks, you made my day 😂. Queued to power-supply's for-next branch. -- Sebastian > drivers/power/supply/axp288_fuel_gauge.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c > index 9ff2461820d8..368281bc0d2b 100644 > --- a/drivers/power/supply/axp288_fuel_gauge.c > +++ b/drivers/power/supply/axp288_fuel_gauge.c > @@ -685,6 +685,26 @@ static void fuel_gauge_init_irq(struct axp288_fg_info *info) > * detection reports one despite it not being there. > */ > static const struct dmi_system_id axp288_fuel_gauge_blacklist[] = { > + { > + /* ACEPC T8 Cherry Trail Z8350 mini PC */ > + .matches = { > + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), > + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), > + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T8"), > + /* also match on somewhat unique bios-version */ > + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), > + }, > + }, > + { > + /* ACEPC T11 Cherry Trail Z8350 mini PC */ > + .matches = { > + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), > + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), > + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "T11"), > + /* also match on somewhat unique bios-version */ > + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1.000"), > + }, > + }, > { > /* Intel Cherry Trail Compute Stick, Windows version */ > .matches = { > -- > 2.21.0 >
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