linux-toradex.git/drivers/video/backlight/Kconfig, branch v3.4.78

backlight: add driver for DA9052/53 PMIC v1

2012-04-05T22:25:51+00:00

DA9052/53 PMIC has capability to supply power for upto 3 banks of 6
white serial LEDS.  It can also control intensity of independent banks
and to drive these banks boost converter will provide up to 24V and
forward current of max 50mA.

This patch allows to control intensity of the individual WLEDs bank
through DA9052/53 PMIC.

This patch is functionally tested on Samsung SMDKV6410.

Signed-off-by: David Dajun Chen 
Signed-off-by: Ashish Jangam 
Cc: Richard Purdie 
Cc: Samuel Ortiz 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: fix ot200_bl build

2012-03-23T23:58:33+00:00

Fix build error when GPIO_CS5535 is not enabled:

  drivers/built-in.o: In function `ot200_backlight_probe':
  ot200_bl.c:(.text+0x205bf): undefined reference to `cs5535_gpio_set'
  ot200_bl.c:(.text+0x205d1): undefined reference to `cs5535_gpio_set'

Signed-off-by: Randy Dunlap 
Cc: Christian Gmeiner 
Cc: Richard Purdie 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: add support for Pandora backlight

2012-03-23T23:58:33+00:00

Add support for pandora (openpandora.org) backlight.

It might look like all this could be done using pwm_bl.c instead, but
there is a need of special programming sequence when turning on the LED
driver chip or else it will misbehave.  Doing this using pwm_bl.c would
require to use some register programming and pwm functions from platform
code, and ARM maintainers are allergic to driver-like code in /arch/arm
nowadays.  The PMIC PWM driver is currently missing too, so pwm_bl.c
can't be used anyway.

Signed-off-by: Grazvydas Ignotas 
Cc: Richard Purdie 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: add driver for Bachmann's ot200

2012-03-23T23:58:33+00:00

Add backlight driver for Bachmann's ot200 visualisation device.  The
driver uses MFGPT 7 of CS5535 silicon to regulate the backlight.

[akpm@linux-foundation.org: remove redundant test of `brightness']
Signed-off-by: Christian Gmeiner 
Cc: Lars-Peter Clausen 
Cc: Andres Salomon 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: new backlight driver for LP855x devices

2012-03-23T23:58:33+00:00

THis driver supports TI LP8550/LP8551/LP8552/LP8553/LP8556 backlight
devices.

The brightness can be controlled by the I2C or PWM input.  The lp855x
driver provides both modes.  For the PWM control, pwm-specific functions
can be defined in the platform data.  And some information can be read
via the sysfs(lp855x device attributes).

For details, please refer to Documentation/backlight/lp855x-driver.txt.

[axel.lin@gmail.com: add missing mutex_unlock in lp855x_read_byte() error path]
[axel.lin@gmail.com: check platform data in lp855x_probe()]
[axel.lin@gmail.com: small cleanups]
[dan.carpenter@oracle.com: silence a compiler warning]
[axel.lin@gmail.com: use id->driver_data to differentiate lp855x chips]
[akpm@linux-foundation.org: simplify boolean return expression]
Signed-off-by: Milo(Woogyom) Kim 
Signed-off-by: Axel Lin 
Signed-off-by: Dan Carpenter 
Cc: Richard Purdie 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: remove ADX backlight device support

2012-01-11T00:30:48+00:00

Support for the Avionic Design Xanthos backlight device got added in
commit 3b96ea9ef8 ("backlight: Add support for the Avionic Design Xanthos
backlight device.").  That support depends on ARCH_PXA_ADX.  The code that
should have provided that Kconfig symbol never got submitted.  It has
never been possible to even build this driver.  Remove it.

Signed-off-by: Paul Bolle 
Acked-by: Thierry Reding 
Cc: Richard Purdie 
Cc: Wim Van Sebroeck 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

drivers/video/backlight/aat2870_bl.c: make it buildable as a module

2011-08-04T00:25:22+00:00

i386 allmodconfig:

  drivers/built-in.o: In function `aat2870_bl_remove':
  aat2870_bl.c:(.text+0x414f9): undefined reference to `backlight_device_unregister'
  drivers/built-in.o: In function `aat2870_bl_probe':
  aat2870_bl.c:(.text+0x418fc): undefined reference to `backlight_device_register'
  aat2870_bl.c:(.text+0x41a31): undefined reference to `backlight_device_unregiste

Cc: Jin Park 
Cc: Samuel Ortiz 
Cc: Axel Lin 
Cc: Richard Purdie 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: Add AAT2870 backlight driver

2011-07-31T21:28:26+00:00

Add backlight driver for AnalogicTech AAT2870.

Signed-off-by: Jin Park 
Signed-off-by: Samuel Ortiz

backlight: add ams369fg06 amoled driver

2011-07-26T03:57:08+00:00

Add the ams369fg06 amoled panel driver.  The ams369fg06 amoled panel (480
x 800) driver uses 3-wired SPI inteface.  The brightness can be controlled
by gamma setting of amoled panel.

[sfr@canb.auug.org.au: fix build error]
[axel.lin@gmail.com: unregister backlight device when unloading the module]
[axel.lin@gmail.com: staticize ams369fg06_shutdown]
Signed-off-by: Jingoo Han 
Cc: Richard Purdie 
Cc: Inki Dae 
Cc: anish singh 
Signed-off-by: Stephen Rothwell 
Signed-off-by: Axel Lin 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

backlight: new driver for the ADP8870 backlight devices

2011-06-16T03:03:59+00:00

Signed-off-by: Michael Hennerich 
Signed-off-by: Mike Frysinger 
Cc: Richard Purdie 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds