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e117d10d31
Update the version number references from 2.6.x to 3.x Also correct spelling of "May" (was spelled "Mai"). Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
56 lines
2.3 KiB
Plaintext
56 lines
2.3 KiB
Plaintext
What: /sys/class/backlight/<backlight>/<ambient light zone>_max
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What: /sys/class/backlight/<backlight>/l1_daylight_max
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What: /sys/class/backlight/<backlight>/l2_bright_max
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What: /sys/class/backlight/<backlight>/l3_office_max
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What: /sys/class/backlight/<backlight>/l4_indoor_max
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What: /sys/class/backlight/<backlight>/l5_dark_max
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Date: May 2011
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KernelVersion: 3.0
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Contact: device-drivers-devel@blackfin.uclinux.org
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Description:
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Control the maximum brightness for <ambient light zone>
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on this <backlight>. Values are between 0 and 127. This file
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will also show the brightness level stored for this
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<ambient light zone>.
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What: /sys/class/backlight/<backlight>/<ambient light zone>_dim
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What: /sys/class/backlight/<backlight>/l2_bright_dim
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What: /sys/class/backlight/<backlight>/l3_office_dim
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What: /sys/class/backlight/<backlight>/l4_indoor_dim
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What: /sys/class/backlight/<backlight>/l5_dark_dim
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Date: May 2011
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KernelVersion: 3.0
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Contact: device-drivers-devel@blackfin.uclinux.org
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Description:
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Control the dim brightness for <ambient light zone>
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on this <backlight>. Values are between 0 and 127, typically
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set to 0. Full off when the backlight is disabled.
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This file will also show the dim brightness level stored for
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this <ambient light zone>.
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What: /sys/class/backlight/<backlight>/ambient_light_level
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Date: May 2011
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KernelVersion: 3.0
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Contact: device-drivers-devel@blackfin.uclinux.org
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Description:
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Get conversion value of the light sensor.
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This value is updated every 80 ms (when the light sensor
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is enabled). Returns integer between 0 (dark) and
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8000 (max ambient brightness)
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What: /sys/class/backlight/<backlight>/ambient_light_zone
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Date: May 2011
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KernelVersion: 3.0
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Contact: device-drivers-devel@blackfin.uclinux.org
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Description:
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Get/Set current ambient light zone. Reading returns
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integer between 1..5 (1 = daylight, 2 = bright, ..., 5 = dark).
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Writing a value between 1..5 forces the backlight controller
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to enter the corresponding ambient light zone.
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Writing 0 returns to normal/automatic ambient light level
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operation. The ambient light sensing feature on these devices
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is an extension to the API documented in
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Documentation/ABI/stable/sysfs-class-backlight.
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It can be enabled by writing the value stored in
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/sys/class/backlight/<backlight>/max_brightness to
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/sys/class/backlight/<backlight>/brightness. |