[Bug 55161] Backlight Software control is acting wrong

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=55161





--- Comment #10 from pqwoerituytrueiwoq at gmail.com  2013-03-25 13:22:41 ---
this helpful?
chad at ASUS-A54C-NB91:~$ uname -r 
3.9.0-030900rc4-generic
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/max_brightness;acpi -c |grep
LCD
100
4882
Cooling 0: LCD 10 of 100
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD
90
100
976
976
Cooling 0: LCD 10 of 100
chad at ASUS-A54C-NB91:~$ xbacklight -set 10
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD
99
10
976
976
Cooling 0: LCD 1 of 100
chad at ASUS-A54C-NB91:~$ acpi -c | grep LCD
Cooling 0: LCD 1 of 100
chad at ASUS-A54C-NB91:~$ echo "brightness keys to max"
brightness keys to max
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD
85
10
976
976
Cooling 0: LCD 15 of 100
chad at ASUS-A54C-NB91:~$ echo "brightness keys to min"
brightness keys to min
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD
100
10
976
976
Cooling 0: LCD 0 of 100
chad at ASUS-A54C-NB91:~$ xbacklight -set 100
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD
90
100
976
976
Cooling 0: LCD 10 of 100
chad at ASUS-A54C-NB91:~$ cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD;xbacklight -get;cat
/sys/class/backlight/{acpi_video0,intel_backlight}/{actual_,}brightness;acpi -c
|grep LCD
90
100
976
976
Cooling 0: LCD 10 of 100
90.000000
91
90
976
976
Cooling 0: LCD 9 of 100

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