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author | Tatsunosuke Tobita <tatsunosuke.wacom@gmail.com> | 2023-11-15 08:57:29 +0900 |
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committer | Benjamin Tissoires <bentiss@kernel.org> | 2023-11-29 16:13:21 +0100 |
commit | fd2a9b29dc9c4c35def91d5d1c5b470843539de6 (patch) | |
tree | f8df254bbcd2a50f2b11937c20bab22e7586685d /drivers/hid/wacom_wac.h | |
parent | 1f342790ad3c2456e15351829ad5d8919cccc03f (diff) | |
download | linux-stable-fd2a9b29dc9c4c35def91d5d1c5b470843539de6.tar.gz linux-stable-fd2a9b29dc9c4c35def91d5d1c5b470843539de6.tar.bz2 linux-stable-fd2a9b29dc9c4c35def91d5d1c5b470843539de6.zip |
HID: wacom: Remove AES power_supply after extended inactivity
Even if a user does not use their AES pen for an extended period,
the battery power supply attributes continue to exist.
This results in the desktop showing battery status for a pen
that is no longer in use and which may in fact be in a different
state (e.g. the user may be charging the pen).
To avoid confusion and ensure userspace has an accurate view
of the battery state, this patch automatically removes
the power_supply after 30 minutes of inactivity.
Signed-off-by: Tatsunosuke Tobita <tatsunosuke.tobita@wacom.com>
Reviewed-by: Jason Gerecke <Jason.Gerecke@wacom.com>
Reviewed-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Josh Dickens <joshua.dickens@wacom.com>
Link: https://lore.kernel.org/r/20231114235729.6867-1-tatsunosuke.wacom@gmail.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Diffstat (limited to 'drivers/hid/wacom_wac.h')
-rw-r--r-- | drivers/hid/wacom_wac.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index 57e185f18d53..e63b1e806e34 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -14,6 +14,7 @@ #define WACOM_MAX_REMOTES 5 #define WACOM_STATUS_UNKNOWN 255 #define WACOM_REMOTE_BATTERY_TIMEOUT 21000000000ll +#define WACOM_AES_BATTERY_TIMEOUT 1800000 /* packet length for individual models */ #define WACOM_PKGLEN_BBFUN 9 |