Hi Matthew,
The problem is that thinkpad-acpi does not aware of mute is changed by
either hotkey presses or in desktop.
I believe Lenovo has an application to handle it Windows in similar ways,
and the design makes controlling by user-applications more feasible.
Cheers,
Alex Hung
On Wed, Aug 1
Hi Matthew,
The scenario will be to have an user-application to listen to the mute key
event, compare to hardware mute against OS mute, and sync both mute. When
the application is loaded, it can use this interface to enable it; when it
is unloaded it can disable it.
A config option is also a good
On Wed, Aug 14, 2013 at 2:11 PM, Alex Hung wrote:
> We are seeing bugs that mute led is out-of-sync with OS's mute.
> Steps to duplicate:
> 1. Press mute hotkey - it generates scancode and turns on mute led
> 2. Unmute by desktop application.
>
> Expected result: System is un-muted and led is tur
On Wed, 2013-08-14 at 14:11 +0800, Alex Hung wrote:
> One solution to the problem is to disable hardware mute. Mute hotkey
> will only generate scancode but led will not be toggled.
So this works, but muting doesn't control the LED? It seems like this is
something that ought to be fixed in-kernel
We are seeing bugs that mute led is out-of-sync with OS's mute.
Steps to duplicate:
1. Press mute hotkey - it generates scancode and turns on mute led
2. Unmute by desktop application.
Expected result: System is un-muted and led is turned off
Actual result: System, depending on models, can be mute
On Wed, 2013-08-14 at 13:53 +0800, Alex Hung wrote:
> Hi Matthew,
>
>
> The scenario will be to have an user-application to listen to the mute
> key event, compare to hardware mute against OS mute, and sync both
> mute. When the application is loaded, it can use this interface to
> enable it; whe
On Wed, 2013-08-14 at 13:40 +0800, Alex Hung wrote:
> Newer Thinkpad models comes with a mute hotkey with a mute led. It also comes
> with ACPI AML functions to control hardware mute + led. The patches add sysfs
> nodes so it is possible to enable, disable and control from user-space.
What's expec
Newer thinkpad models have a mute hotkey with a led to indicate
current mute states. Thinkpad BIOS provides ACPI interfaces for
getting and changing the hardware mute along with the led.
Signed-off-by: Alex Hung
---
drivers/platform/x86/thinkpad_acpi.c | 50
Newer Thinkpad models comes with a mute hotkey with a mute led. It also comes
with ACPI AML functions to control hardware mute + led. The patches add sysfs
nodes so it is possible to enable, disable and control from user-space.
Alex Hung (2):
thinkpad-acpi: add sysfs for getting and setting har
Thinkpad BIOS provides an ACPI interface to disable hardware mute.
When enabled (as default), Thinkpad issues a scancode and toggles
hardware mute + led. Once disabled, Thinkpad will only issues the
scancode.
When hardware mute is enabled, hardware mute can be out-of-sync
with user-space if a user
Hi there,
I'm using a Lenovo Thinkpad L530 with Linux Mint 14 and a
3.5.0-37-generic Kernel that uses the thinkpad drivers. When plugging in
or plugging out my external power source, there appears the following
message in the Kernel Ring Buffer:
[ 2148.317725] thinkpad_acpi: unknown possible ther
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