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aff5ce6ca8
linux/drivers/video/backlight
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Alberto Panizzo aff5ce6ca8 drivers/video/backlight/l4f00242t03.c: fix reset sequence 
The reset command is part of the init sequence and it take effect
only if the lcd is powered.

The effect of the bug was that the sequence:
set lcd power_state to FB_BLANK_POWERDOWN
set lcd power_state to FB_BLANK_UNBLANK
Did not produced a complete reboot of the LCD which was showing fuzzy
colours.

This was not experienced before implementing correctly all the LCD power
states with the patch [1].  Since before the patch [1] the regulators were
not touched and the LCD shutdown was reached with a register write.  After
the patch [1] a complete boot sequence with an initial reset is needed for
the display every time the LCD is powered up.

drivers-video-backlight-l4f00242t03c-full-implement-fb-power-states-for-this-lcd.patch

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-01-13 08:03:06 -08:00
..
88pm860x_bl.c backlight: 88pm860x_bl: fix error handling in pm860x_backlight_probe 2010-05-26 17:34:37 +01:00
adp5520_bl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
adp8860_bl.c drivers/video/backlight/adp8860_bl.c: check strict_strtoul() return value 2010-11-12 07:55:33 -08:00
adx_bl.c backlight: backlight_device_register() return ERR_PTR() 2010-05-26 13:08:31 +01:00
atmel-pwm-bl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
backlight.c backlight: grab ops_lock before testing bd->ops 2010-11-25 06:50:47 +09:00
corgi_lcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cr_bllcd.c backlight: cr_bllcd.c: fix a memory leak 2010-12-22 19:43:34 -08:00
da903x_bl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ep93xx_bl.c backlight: Add Cirrus EP93xx backlight driver 2010-05-26 13:08:32 +01:00
generic_bl.c backlight: Allow properties to be passed at registration 2010-03-16 19:47:54 +00:00
hp680_bl.c backlight: Allow properties to be passed at registration 2010-03-16 19:47:54 +00:00
ili9320.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ili9320.h fb: add support for the ILI9320 video display controller 2008-07-24 10:47:40 -07:00
jornada720_bl.c backlight: Allow properties to be passed at registration 2010-03-16 19:47:54 +00:00
jornada720_lcd.c backlight: Add HP Jornada 700 series LCD driver 2009-04-06 16:06:55 +01:00
kb3886_bl.c backlight: Allow properties to be passed at registration 2010-03-16 19:47:54 +00:00
Kconfig backlight: Add pcf50633 backlight driver 2010-05-26 17:34:38 +01:00
l4f00242t03.c drivers/video/backlight/l4f00242t03.c: fix reset sequence 2011-01-13 08:03:06 -08:00
lcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
lms283gf05.c backlight: fix blanking for LMS283GF05 LCD 2010-11-12 07:55:33 -08:00
locomolcd.c update email address 2010-07-19 10:56:54 +02:00
ltv350qv.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ltv350qv.h backlight: Add Samsung LTV350QV LCD driver 2007-10-11 22:24:12 +01:00
Makefile backlight: Add pcf50633 backlight driver 2010-05-26 17:34:38 +01:00
max8925_bl.c backlight: max8925_bl: Fix error handling path 2010-05-26 17:34:36 +01:00
mbp_nvidia_bl.c backlight: MacBookAir3,1(3,2) mbp-nvidia-bl support 2010-11-12 07:55:33 -08:00
omap1_bl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pcf50633-backlight.c backlight: Add pcf50633 backlight driver 2010-05-26 17:34:38 +01:00
platform_lcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
progear_bl.c backlight: Allow properties to be passed at registration 2010-03-16 19:47:54 +00:00
pwm_bl.c backlight: add low threshold to pwm backlight 2010-11-12 07:55:33 -08:00
s6e63m0_gamma.h backlight: add S6E63M0 AMOLED LCD Panel driver 2010-05-26 17:34:16 +01:00
s6e63m0.c drivers/video/backlight/s6e63m0.c: fix section mismatch 2010-11-12 07:55:33 -08:00
tdo24m.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
tosa_bl.c i2c: Remove all i2c_set_clientdata(client, NULL) in drivers 2010-06-03 11:33:58 +02:00
tosa_lcd.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
vgg2432a4.c spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
wm831x_bl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00