xref: /openbmc/linux/Documentation/ABI/testing/sysfs-class-backlight-driver-lm3533 (revision cdd38c5f1ce4398ec58fec95904b75824daab7b5)
17f26c970SJohan HovoldWhat:		/sys/class/backlight/<backlight>/als_channel
27f26c970SJohan HovoldDate:		May 2012
37f26c970SJohan HovoldKernelVersion:	3.5
47f26c970SJohan HovoldContact:	Johan Hovold <jhovold@gmail.com>
57f26c970SJohan HovoldDescription:
67f26c970SJohan Hovold		Get the ALS output channel used as input in
711070490SMauro Carvalho Chehab		ALS-current-control mode (0, 1), where:
87f26c970SJohan Hovold
9*54a19b4dSMauro Carvalho Chehab		==  ==========================
10*54a19b4dSMauro Carvalho Chehab		0   out_current0 (backlight 0)
11*54a19b4dSMauro Carvalho Chehab		1   out_current1 (backlight 1)
12*54a19b4dSMauro Carvalho Chehab		==  ==========================
137f26c970SJohan Hovold
147f26c970SJohan HovoldWhat:		/sys/class/backlight/<backlight>/als_en
157f26c970SJohan HovoldDate:		May 2012
167f26c970SJohan HovoldKernelVersion:	3.5
177f26c970SJohan HovoldContact:	Johan Hovold <jhovold@gmail.com>
187f26c970SJohan HovoldDescription:
197f26c970SJohan Hovold		Enable ALS-current-control mode (0, 1).
207f26c970SJohan Hovold
217f26c970SJohan HovoldWhat:		/sys/class/backlight/<backlight>/id
227f26c970SJohan HovoldDate:		April 2012
237f26c970SJohan HovoldKernelVersion:	3.5
247f26c970SJohan HovoldContact:	Johan Hovold <jhovold@gmail.com>
257f26c970SJohan HovoldDescription:
267f26c970SJohan Hovold		Get the id of this backlight (0, 1).
277f26c970SJohan Hovold
287f26c970SJohan HovoldWhat:		/sys/class/backlight/<backlight>/linear
297f26c970SJohan HovoldDate:		April 2012
307f26c970SJohan HovoldKernelVersion:	3.5
317f26c970SJohan HovoldContact:	Johan Hovold <jhovold@gmail.com>
327f26c970SJohan HovoldDescription:
3311070490SMauro Carvalho Chehab		Set the brightness-mapping mode (0, 1), where:
347f26c970SJohan Hovold
35*54a19b4dSMauro Carvalho Chehab		==  ================
36*54a19b4dSMauro Carvalho Chehab		0   exponential mode
37*54a19b4dSMauro Carvalho Chehab		1   linear mode
38*54a19b4dSMauro Carvalho Chehab		==  ================
397f26c970SJohan Hovold
407f26c970SJohan HovoldWhat:		/sys/class/backlight/<backlight>/pwm
417f26c970SJohan HovoldDate:		April 2012
427f26c970SJohan HovoldKernelVersion:	3.5
437f26c970SJohan HovoldContact:	Johan Hovold <jhovold@gmail.com>
447f26c970SJohan HovoldDescription:
4511070490SMauro Carvalho Chehab		Set the PWM-input control mask (5 bits), where:
467f26c970SJohan Hovold
47*54a19b4dSMauro Carvalho Chehab		=====   ===========================
48*54a19b4dSMauro Carvalho Chehab		bit 5   PWM-input enabled in Zone 4
49*54a19b4dSMauro Carvalho Chehab		bit 4   PWM-input enabled in Zone 3
50*54a19b4dSMauro Carvalho Chehab		bit 3   PWM-input enabled in Zone 2
51*54a19b4dSMauro Carvalho Chehab		bit 2   PWM-input enabled in Zone 1
52*54a19b4dSMauro Carvalho Chehab		bit 1   PWM-input enabled in Zone 0
53*54a19b4dSMauro Carvalho Chehab		bit 0   PWM-input enabled
54*54a19b4dSMauro Carvalho Chehab		=====   ===========================
55