From: "André Almeida" <andrealmeid@collabora.com>
To: rjw@rjwysocki.net, lenb@kernel.org, linux-acpi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel@collabora.com,
krisman@collabora.com, sebastian.reichel@collabora.com,
pgriffais@valvesoftware.com, hdegoede@redhat.com,
"André Almeida" <andrealmeid@collabora.com>
Subject: [PATCH 1/1] acpi: battery: Accept charges over the design capacity as full
Date: Fri, 8 Oct 2021 00:05:29 -0300 [thread overview]
Message-ID: <20211008030529.223682-2-andrealmeid@collabora.com> (raw)
In-Reply-To: <20211008030529.223682-1-andrealmeid@collabora.com>
Some buggy firmware and/or brand new batteries can support a charge that's
slightly over the reported design capacity. In such cases, the kernel will
report to userspace that the charging state of the battery is "Unknown",
when in reality the battery charge is "Full", at least from the design
capacity point of view. Make the fallback condition accepts capacities
over the designed capacity so userspace knows that is full.
Signed-off-by: André Almeida <andrealmeid@collabora.com>
---
drivers/acpi/battery.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index dae91f906cea..8afa85d6eb6a 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -169,7 +169,7 @@ static int acpi_battery_is_charged(struct acpi_battery *battery)
return 1;
/* fallback to using design values for broken batteries */
- if (battery->design_capacity == battery->capacity_now)
+ if (battery->design_capacity <= battery->capacity_now)
return 1;
/* we don't do any sort of metric based on percentages */
--
2.33.0
next prev parent reply other threads:[~2021-10-08 3:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 3:05 [PATCH 0/1] " André Almeida
2021-10-08 3:05 ` André Almeida [this message]
2021-10-08 6:58 ` [PATCH 1/1] " Hans de Goede
2021-10-13 11:33 ` Sebastian Reichel
2021-10-13 17:54 ` Rafael J. Wysocki
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