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authorPetr Cvek <petr.cvek@tul.cz>2015-09-28 23:40:57 +0200
committerRobert Jarzmik <robert.jarzmik@free.fr>2015-10-14 23:07:00 +0200
commite2f1b8b0ad1e8bd083241a79c179448ec7994b2a (patch)
treee171dfe2d39cf1cb8f3f11ae5958f5e462a3aff2 /arch/arm/mach-pxa/magician.c
parent539122ad349af70a6780291f7c4a5d7bf17a5b59 (diff)
downloadlinux-e2f1b8b0ad1e8bd083241a79c179448ec7994b2a.tar.bz2
ARM: pxa: magician: Add missing regulator for PWM backlight
Add a fake regulator, which is required for the correct initialization of the PWM backlight driver. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> [ added a missing include for fixed regulator ] Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Diffstat (limited to 'arch/arm/mach-pxa/magician.c')
-rw-r--r--arch/arm/mach-pxa/magician.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index c32d760f8100..d77f95ddd198 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -27,6 +27,7 @@
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/driver.h>
+#include <linux/regulator/fixed.h>
#include <linux/regulator/gpio-regulator.h>
#include <linux/regulator/machine.h>
#include <linux/usb/gpio_vbus.h>
@@ -346,6 +347,15 @@ static struct pwm_lookup magician_pwm_lookup[] = {
PWM_POLARITY_NORMAL),
};
+ /*
+ * fixed regulator for pwm_backlight
+ */
+
+static struct regulator_consumer_supply pwm_backlight_supply[] = {
+ REGULATOR_SUPPLY("power", "pwm_backlight"),
+};
+
+
static struct gpio magician_bl_gpios[] = {
{ EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" },
{ EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
@@ -867,6 +877,9 @@ static void __init magician_init(void)
lcd_select ? &samsung_info : &toppoly_info);
} else
pr_err("LCD detection: CPLD mapping failed\n");
+
+ regulator_register_always_on(0, "power", pwm_backlight_supply,
+ ARRAY_SIZE(pwm_backlight_supply), 5000000);
}
MACHINE_START(MAGICIAN, "HTC Magician")