[PATCH V5 5/9] unicore32: Provide regulator to pwm-backlight
From: Andrew Chew <hidden>
Date: 2013-03-26 01:21:49
Also in:
linux-samsung-soc, linux-tegra
Subsystem:
the rest · Maintainer:
Linus Torvalds
The pwm-backlight driver now takes a mandatory regulator that is gotten during driver probe. Initialize a dummy regulator to satisfy this requirement. Signed-off-by: Andrew Chew <redacted> Acked-by: Alexandre Courbot <acourbot@nvidia.com> --- arch/unicore32/kernel/puv3-nb0916.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/unicore32/kernel/puv3-nb0916.c b/arch/unicore32/kernel/puv3-nb0916.c
index 181108b..839b536 100644
--- a/arch/unicore32/kernel/puv3-nb0916.c
+++ b/arch/unicore32/kernel/puv3-nb0916.c@@ -19,6 +19,8 @@ #include <linux/reboot.h> #include <linux/interrupt.h> #include <linux/i2c.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/gpio.h> #include <linux/gpio_keys.h>
@@ -49,6 +51,10 @@ static struct resource puv3_i2c_resources[] = { } }; +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight"); + static struct platform_pwm_backlight_data nb0916_backlight_data = { .pwm_id = 0, .max_brightness = 100,
@@ -111,6 +117,9 @@ int __init mach_nb0916_init(void) platform_device_register_simple("PKUnity-v3-I2C", -1, puv3_i2c_resources, ARRAY_SIZE(puv3_i2c_resources)); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_device_register_data(&platform_bus, "pwm-backlight", -1, &nb0916_backlight_data, sizeof(nb0916_backlight_data));
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1.8.1.5