~$ ls /sys/devices/platform/thinkpad_acpi/hotkey* gives back:
/sys/devices/platform/thinkpad_acpi/hotkey_all_mask /sys/devices/platform/thinkpad_acpi/hotkey_bios_enabled /sys/devices/platform/thinkpad_acpi/hotkey_bios_mask /sys/devices/platform/thinkpad_acpi/hotkey_enable /sys/devices/platform/thinkpad_acpi/hotkey_mask /sys/devices/platform/thinkpad_acpi/hotkey_poll_freq /sys/devices/platform/thinkpad_acpi/hotkey_radio_sw /sys/devices/platform/thinkpad_acpi/hotkey_recommended_mask /sys/devices/platform/thinkpad_acpi/hotkey_report_mode /sys/devices/platform/thinkpad_acpi/hotkey_source_mask /sys/devices/platform/thinkpad_acpi/hotkey_tablet_mode
Applying your latest fix, pushing the mute button and running dmesg gives back: [ 843.806915] hda-intel: spurious response 0x0:0x0, last cmd=0x1439000 [ 843.807336] /home/gumminase/Desktop/mute/thinkpad_acpi.c 2286 mask=8dffff [ 843.807340] /home/gumminase/Desktop/mute/thinkpad_acpi.c 8523 [ 843.807344] /home/gumminase/Desktop/mute/thinkpad_acpi.c 8503 4119 [ 843.807348] /home/gumminase/Desktop/mute/thinkpad_acpi.c 6750
~$ ls /sys/devices/ platform/ thinkpad_ acpi/hotkey* gives back:
/sys/devices/ platform/ thinkpad_ acpi/hotkey_ all_mask platform/ thinkpad_ acpi/hotkey_ bios_enabled platform/ thinkpad_ acpi/hotkey_ bios_mask platform/ thinkpad_ acpi/hotkey_ enable platform/ thinkpad_ acpi/hotkey_ mask platform/ thinkpad_ acpi/hotkey_ poll_freq platform/ thinkpad_ acpi/hotkey_ radio_sw platform/ thinkpad_ acpi/hotkey_ recommended_ mask platform/ thinkpad_ acpi/hotkey_ report_ mode platform/ thinkpad_ acpi/hotkey_ source_ mask platform/ thinkpad_ acpi/hotkey_ tablet_ mode
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
/sys/devices/
Applying your latest fix, pushing the mute button and running dmesg gives back: /Desktop/ mute/thinkpad_ acpi.c 2286 mask=8dffff /Desktop/ mute/thinkpad_ acpi.c 8523 /Desktop/ mute/thinkpad_ acpi.c 8503 4119 /Desktop/ mute/thinkpad_ acpi.c 6750
[ 843.806915] hda-intel: spurious response 0x0:0x0, last cmd=0x1439000
[ 843.807336] /home/gumminase
[ 843.807340] /home/gumminase
[ 843.807344] /home/gumminase
[ 843.807348] /home/gumminase