> Does the mute command from /proc/acpi/ibm/volume causes MUTE to activate?
Yes.
The only thing goes wrong is that with mute button pressed, the volume
byte becomes 0x4*, * is the level. By echo mute > volume, it becomes
0xc*. c & 4 = 4.
Great thanks if you can do something around ALSA. As far as I know,
Thinkpad T400 and T500 wihch I met are in the same status with the
volume control.
--
Sincerely,
Yang Zhe
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