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Daniel Thompson 633786736e backlight: pwm_bl: Fix uninitialized variable 
Currently, if the DT does not define num-interpolated-steps then
num_steps is undefined and the interpolation code will deploy randomly.
Fix with a simple initialize to zero.

Fixes: 573fe6d1c2 ("backlight: pwm_bl: Linear interpolation between brightness-levels")
Reported-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
 		2018-07-25 09:09:59 +01:00
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88pm860x_bl.c
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Kconfig backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC 2018-04-30 10:50:44 +01:00
Makefile backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC 2018-04-30 10:50:44 +01:00
aat2870_bl.c
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adp5520_bl.c
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adp8860_bl.c backlight: adp8860: Mark expected switch fall-through 2018-07-13 08:35:15 +01:00
adp8870_bl.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
ams369fg06.c
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apple_bl.c backlight: apple_bl: Deprecate pci_get_bus_and_slot() 2017-12-20 13:47:05 +00:00
arcxcnn_bl.c
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as3711_bl.c backlight: as3711_bl: Fix Device Tree node leaks 2018-06-11 13:40:45 +01:00
backlight.c video: backlight: Add devres versions of of_find_backlight 2018-01-29 10:34:53 -05:00
bd6107.c
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corgi_lcd.c backlight: tdo24m: Fix the SPI CS between transfers 2018-01-08 09:21:57 +00:00
cr_bllcd.c
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da903x_bl.c
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da9052_bl.c
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ep93xx_bl.c
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generic_bl.c backlight: generic-bl: Remove DRIVER1 state 2018-04-30 13:25:14 +01:00
gpio_backlight.c
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hp680_bl.c
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hx8357.c
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ili922x.c
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ili9320.c
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ili9320.h
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ipaq_micro_bl.c
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jornada720_bl.c
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jornada720_lcd.c
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kb3886_bl.c
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l4f00242t03.c
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lcd.c
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ld9040.c
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ld9040_gamma.h
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lm3533_bl.c
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lm3630a_bl.c
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lm3639_bl.c
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lms283gf05.c
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lms501kf03.c
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locomolcd.c
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lp855x_bl.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
lp8788_bl.c
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ltv350qv.c
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ltv350qv.h
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lv5207lp.c
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max8925_bl.c backlight: max8925_bl: Fix Device Tree node lookup 2018-06-11 13:40:32 +01:00
omap1_bl.c
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ot200_bl.c
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otm3225a.c backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC 2018-04-30 10:50:44 +01:00
pandora_bl.c backlight: pandora: Stop using BL_CORE_DRIVER1 2018-04-30 13:25:14 +01:00
pcf50633-backlight.c
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platform_lcd.c
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pm8941-wled.c
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pwm_bl.c backlight: pwm_bl: Fix uninitialized variable 2018-07-25 09:09:59 +01:00
rave-sp-backlight.c backlight: Add RAVE SP backlight driver 2018-04-30 10:50:43 +01:00
s6e63m0.c
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s6e63m0_gamma.h
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sky81452-backlight.c
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tdo24m.c backlight: tdo24m: Fix the SPI CS between transfers 2018-01-08 09:21:57 +00:00
tosa_bl.c
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tosa_lcd.c backlight: tdo24m: Fix the SPI CS between transfers 2018-01-08 09:21:57 +00:00
tps65217_bl.c backlight: tps65217_bl: Fix Device Tree node lookup 2018-06-11 13:40:39 +01:00
vgg2432a4.c
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wm831x_bl.c
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