[V5,3/9] ARM: pxa: Provide regulator to pwm-backlight

Message ID	1364260913-25490-4-git-send-email-achew@nvidia.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-samsung-soc-owner@vger.kernel.org> From: Andrew Chew <achew@nvidia.com> To: <romain.naour@openwide.fr>, <kgene.kim@samsung.com>, <drwyrm@gmail.com>, <stefan@openezx.org>, <laforge@openezx.org>, <philipp.zabel@gmail.com>, <lost.distance@yahoo.com>, <marek.vasut@gmail.com>, <robert.jarzmik@free.fr>, <eric.y.miao@gmail.com>, <linux@arm.linux.org.uk>, <haojian.zhuang@gmail.com>, <kyungmin.park@samsung.com>, <gxt@mprc.pku.edu.cn>, <shawn.guo@linaro.org>, <linux@prisktech.co.nz> CC: <thierry.reding@avionic-design.de>, <achew@nvidia.com>, <linux-samsung-soc@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <openezx-devel@lists.openezx.org>, <linux-tegra@vger.kernel.org> Subject: [PATCH V5 3/9] ARM: pxa: Provide regulator to pwm-backlight Date: Mon, 25 Mar 2013 18:21:47 -0700 Message-ID: <1364260913-25490-4-git-send-email-achew@nvidia.com> In-Reply-To: <1364260913-25490-1-git-send-email-achew@nvidia.com> References: <1364260913-25490-1-git-send-email-achew@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk

diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index 8091aac..7e1887a 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -34,6 +34,7 @@ #include <linux/mfd/da903x.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/power_supply.h> #include <linux/apm-emulation.h> @@ -305,6 +306,10 @@ static inline void cm_x300_init_lcd(void) {} #endif #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data cm_x300_backlight_data = { .pwm_id = 2, .max_brightness = 100, @@ -322,6 +327,8 @@ static struct platform_device cm_x300_backlight_device = { static void cm_x300_init_bl(void) { + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_device_register(&cm_x300_backlight_device); } #else diff --git a/arch/arm/mach-pxa/colibri-pxa270-income.c b/arch/arm/mach-pxa/colibri-pxa270-income.c index 2d4a7b4..108f2a7 100644 --- a/arch/arm/mach-pxa/colibri-pxa270-income.c +++ b/arch/arm/mach-pxa/colibri-pxa270-income.c @@ -20,6 +20,8 @@ #include <linux/ioport.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/i2c/pxa-i2c.h> @@ -184,6 +186,10 @@ static inline void income_lcd_init(void) {} * Backlight ******************************************************************************/ #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data income_backlight_data = { .pwm_id = 0, .max_brightness = 0x3ff, @@ -201,6 +207,8 @@ static struct platform_device income_backlight = { static void __init income_pwm_init(void) { + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_device_register(&income_backlight); } #else diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c index dca1070..2b39d5f 100644 --- a/arch/arm/mach-pxa/ezx.c +++ b/arch/arm/mach-pxa/ezx.c @@ -15,6 +15,8 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/input.h> #include <linux/gpio.h> @@ -49,6 +51,10 @@ #define GPIO19_GEN1_CAM_RST 19 #define GPIO28_GEN2_CAM_RST 28 +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data ezx_backlight_data = { .pwm_id = 0, .max_brightness = 1023, @@ -792,6 +798,9 @@ static void __init a780_init(void) platform_device_register(&a780_camera); } + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(a780_devices)); } diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c index 133109e..b2f444a 100644 --- a/arch/arm/mach-pxa/hx4700.c +++ b/arch/arm/mach-pxa/hx4700.c @@ -33,6 +33,7 @@ #include <linux/regulator/driver.h> #include <linux/regulator/gpio-regulator.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/max1586.h> #include <linux/spi/ads7846.h> #include <linux/spi/spi.h> @@ -556,6 +557,10 @@ static struct platform_device hx4700_lcd = { * Backlight */ +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight"); + static struct platform_pwm_backlight_data backlight_data = { .pwm_id = -1, /* Superseded by pwm_lookup */ .max_brightness = 200, @@ -876,6 +881,9 @@ static void __init hx4700_init(void) pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_add_devices(devices, ARRAY_SIZE(devices)); pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup)); diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index 1255ee0..985f622 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -23,6 +23,8 @@ #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <asm/types.h> @@ -264,6 +266,10 @@ static struct platform_device lpd270_flash_device[2] = { }, }; +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data lpd270_backlight_data = { .pwm_id = 0, .max_brightness = 1, @@ -466,6 +472,9 @@ static void __init lpd270_init(void) */ ARB_CNTRL = ARB_CORE_PARK | 0x234; + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); pxa_set_ac97_info(NULL); diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index f44532f..dcae8cc 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -27,6 +27,7 @@ #include <linux/pwm_backlight.h> #include <linux/regulator/driver.h> #include <linux/regulator/gpio-regulator.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/usb/gpio_vbus.h> #include <linux/i2c/pxa-i2c.h> @@ -373,6 +374,10 @@ static void magician_backlight_exit(struct device *dev) gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios)); } +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight"); + static struct platform_pwm_backlight_data backlight_data = { .pwm_id = 0, .max_brightness = 272, @@ -742,6 +747,9 @@ static void __init magician_init(void) pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_add_devices(ARRAY_AND_SIZE(devices)); pxa_set_ficp_info(&magician_ficp_info); diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 7a12c1b..c7b13be 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -25,6 +25,8 @@ #include <linux/mtd/partitions.h> #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/smc91x.h> #include <linux/i2c/pxa-i2c.h> @@ -333,6 +335,10 @@ static struct platform_device mst_flash_device[2] = { }; #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data mainstone_backlight_data = { .pwm_id = 0, .max_brightness = 1023, @@ -350,7 +356,12 @@ static struct platform_device mainstone_backlight_device = { static void __init mainstone_backlight_register(void) { - int ret = platform_device_register(&mainstone_backlight_device); + int ret; + + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + + ret = platform_device_register(&mainstone_backlight_device); if (ret) printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret); } diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c index f8979b9..ba9e1cb 100644 --- a/arch/arm/mach-pxa/mioa701.c +++ b/arch/arm/mach-pxa/mioa701.c @@ -37,6 +37,8 @@ #include <linux/wm97xx.h> #include <linux/mtd/physmap.h> #include <linux/usb/gpio_vbus.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/max1586.h> #include <linux/slab.h> #include <linux/i2c/pxa-i2c.h> @@ -179,6 +181,10 @@ static unsigned long mioa701_pin_config[] = { MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), }; +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight"); + /* LCD Screen and Backlight */ static struct platform_pwm_backlight_data mioa701_backlight_data = { .pwm_id = 0, @@ -739,6 +745,8 @@ static void __init mioa701_machine_init(void) pxa_set_udc_info(&mioa701_udc_info); pxa_set_ac97_info(&mioa701_ac97_info); pm_power_off = mioa701_poweroff; + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_add_devices(devices, ARRAY_SIZE(devices)); gsm_init(); diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index 17d4c53..fc34f2b 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c @@ -20,6 +20,8 @@ #include <linux/wm97xx.h> #include <linux/power_supply.h> #include <linux/usb/gpio_vbus.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/max1586.h> #include <linux/i2c/pxa-i2c.h> @@ -317,6 +319,10 @@ static void palm27x_backlight_exit(struct device *dev) gpio_free(palm_lcd_power); } +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data palm27x_backlight_data = { .pwm_id = 0, .max_brightness = 0xfe, @@ -339,6 +345,8 @@ void __init palm27x_pwm_init(int bl, int lcd) { palm_bl_power = bl; palm_lcd_power = lcd; + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_device_register(&palm27x_backlight); } #endif diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c index 100b176f..b6b241c 100644 --- a/arch/arm/mach-pxa/palmtc.c +++ b/arch/arm/mach-pxa/palmtc.c @@ -18,6 +18,8 @@ #include <linux/delay.h> #include <linux/irq.h> #include <linux/input.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/gpio.h> #include <linux/input/matrix_keypad.h> @@ -197,6 +199,10 @@ static void palmtc_backlight_exit(struct device *dev) gpio_free(GPIO_NR_PALMTC_BL_POWER); } +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data palmtc_backlight_data = { .pwm_id = 1, .max_brightness = PALMTC_MAX_INTENSITY, @@ -217,6 +223,8 @@ static struct platform_device palmtc_backlight = { static void __init palmtc_pwm_init(void) { + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_device_register(&palmtc_backlight); } #else diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c index 0742721..d181f65 100644 --- a/arch/arm/mach-pxa/palmte2.c +++ b/arch/arm/mach-pxa/palmte2.c @@ -21,6 +21,8 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/pda_power.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/gpio.h> #include <linux/wm97xx.h> @@ -160,6 +162,10 @@ static void palmte2_backlight_exit(struct device *dev) gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios)); } +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data palmte2_backlight_data = { .pwm_id = 0, .max_brightness = PALMTE2_MAX_INTENSITY, @@ -354,6 +360,9 @@ static void __init palmte2_init(void) pxa_set_ac97_info(&palmte2_ac97_pdata); pxa_set_ficp_info(&palmte2_ficp_platform_data); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c index fb7f1d1..25c480d 100644 --- a/arch/arm/mach-pxa/pcm990-baseboard.c +++ b/arch/arm/mach-pxa/pcm990-baseboard.c @@ -24,6 +24,8 @@ #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/i2c/pxa-i2c.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <media/mt9v022.h> @@ -148,6 +150,10 @@ static struct pxafb_mach_info pcm990_fbinfo __initdata = { }; #endif +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data pcm990_backlight_data = { .pwm_id = 0, .max_brightness = 1023, @@ -539,6 +545,8 @@ void __init pcm990_baseboard_init(void) #ifndef CONFIG_PCM990_DISPLAY_NONE pxa_set_fb_info(NULL, &pcm990_fbinfo); #endif + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_device_register(&pcm990_backlight_device); /* MMC */ diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c index af41888..aff0947 100644 --- a/arch/arm/mach-pxa/raumfeld.c +++ b/arch/arm/mach-pxa/raumfeld.c @@ -531,6 +531,10 @@ static void __init raumfeld_w1_init(void) * Framebuffer device */ +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + /* PWM controlled backlight */ static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = { .pwm_id = 0, @@ -617,6 +621,8 @@ static void __init raumfeld_lcd_init(void) } else { mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT; pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_device_register(&raumfeld_pwm_backlight_device); } diff --git a/arch/arm/mach-pxa/tavorevb.c b/arch/arm/mach-pxa/tavorevb.c index f55979c..db61de5 100644 --- a/arch/arm/mach-pxa/tavorevb.c +++ b/arch/arm/mach-pxa/tavorevb.c @@ -18,6 +18,8 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/smc91x.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <asm/mach-types.h> @@ -164,6 +166,12 @@ static inline void tavorevb_init_keypad(void) {} #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply[] = { + REGULATOR_SUPPLY("power", "pwm-backlight.0"), + REGULATOR_SUPPLY("power", "pwm-backlight.1"), +}; + static struct platform_pwm_backlight_data tavorevb_backlight_data[] = { [0] = { /* primary backlight */ @@ -464,6 +472,9 @@ static struct pxafb_mach_info tavorevb_lcd_info = { static void __init tavorevb_init_lcd(void) { + regulator_register_always_on(-1, "backlight-power", + backlight_supply, + ARRAY_SIZE(backlight_supply), 0); platform_device_register(&tavorevb_backlight_devices[0]); platform_device_register(&tavorevb_backlight_devices[1]); pxa_set_fb_info(NULL, &tavorevb_lcd_info); diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index 9c363c0..ed625d9 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -39,6 +39,8 @@ #include <linux/i2c/pxa-i2c.h> #include <linux/serial_8250.h> #include <linux/smc91x.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/pwm_backlight.h> #include <linux/usb/isp116x.h> #include <linux/mtd/mtd.h> @@ -396,6 +398,10 @@ static void viper_backlight_exit(struct device *dev) gpio_free(VIPER_BCKLIGHT_EN_GPIO); } +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data viper_backlight_data = { .pwm_id = 0, .max_brightness = 100, @@ -940,6 +946,8 @@ static void __init viper_init(void) smc91x_device.num_resources--; pxa_set_i2c_info(NULL); + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); platform_add_devices(viper_devs, ARRAY_SIZE(viper_devs)); viper_init_vcore_gpios(); diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index 989903a..a7ff8a8 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -29,6 +29,7 @@ #include <linux/gpio_keys.h> #include <linux/delay.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/i2c/pxa-i2c.h> #include <asm/mach-types.h> @@ -199,6 +200,12 @@ static inline void z2_nor_init(void) {} * Backlight ******************************************************************************/ #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply[] = { + REGULATOR_SUPPLY("power", "pwm-backlight.0"), + REGULATOR_SUPPLY("power", "pwm-backlight.1"), +}; + static struct platform_pwm_backlight_data z2_backlight_data[] = { [0] = { /* Keypad Backlight */ @@ -234,6 +241,9 @@ static struct platform_device z2_backlight_devices[2] = { }; static void __init z2_pwm_init(void) { + regulator_register_always_on(-1, "backlight-power", + backlight_supply, + ARRAY_SIZE(backlight_supply), 0); platform_device_register(&z2_backlight_devices[0]); platform_device_register(&z2_backlight_devices[1]); } diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c index 1f00d65..04409f1 100644 --- a/arch/arm/mach-pxa/zylonite.c +++ b/arch/arm/mach-pxa/zylonite.c @@ -120,6 +120,10 @@ static inline void zylonite_init_leds(void) {} #endif #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +/* Dummy regulator for pwm-backlight driver */ +static struct regulator_consumer_supply backlight_supply = + REGULATOR_SUPPLY("power", "pwm-backlight.0"); + static struct platform_pwm_backlight_data zylonite_backlight_data = { .pwm_id = 3, .max_brightness = 100, @@ -205,6 +209,9 @@ static struct pxafb_mach_info zylonite_sharp_lcd_info = { static void __init zylonite_init_lcd(void) { + regulator_register_always_on(-1, "backlight-power", + &backlight_supply, 1, 0); + platform_device_register(&zylonite_backlight_device); if (lcd_id & 0x20) {

[V5,3/9] ARM: pxa: Provide regulator to pwm-backlight

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