Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
  gta02: Use pcf50633 backlight driver instead of platform backlight driver.
  backlight: pcf50633: Register a pcf50633-backlight device in pcf50633 core driver.
  backlight: Add pcf50633 backlight driver
  backlight: 88pm860x_bl: fix error handling in pm860x_backlight_probe
  backlight: max8925_bl: Fix error handling path
  backlight: l4f00242t03: fix error handling in l4f00242t03_probe
  backlight: add S6E63M0 AMOLED LCD Panel driver
  backlight: adp8860: add support for ADP8861 & ADP8863
  backlight: mbp_nvidia_bl - Fix DMI_SYS_VENDOR for MacBook1,1
  backlight: Add Cirrus EP93xx backlight driver
  backlight: l4f00242t03: Fix regulators handling code in remove function
  backlight: fix adp8860_bl build errors
  backlight: new driver for the ADP8860 backlight parts
  backlight: 88pm860x_bl - potential memory leak
  backlight: mbp_nvidia_bl - add support for older MacBookPro and MacBook 6,1.
  backlight: Kconfig cleanup
  backlight: backlight_device_register() return ERR_PTR()
This commit is contained in:
Linus Torvalds
2010-05-27 11:34:55 -07:00
18 changed files with 2750 additions and 120 deletions

154
include/linux/i2c/adp8860.h Normal file
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@@ -0,0 +1,154 @@
/*
* Definitions and platform data for Analog Devices
* Backlight drivers ADP8860
*
* Copyright 2009-2010 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __LINUX_I2C_ADP8860_H
#define __LINUX_I2C_ADP8860_H
#include <linux/leds.h>
#include <linux/types.h>
#define ID_ADP8860 8860
#define ADP8860_MAX_BRIGHTNESS 0x7F
#define FLAG_OFFT_SHIFT 8
/*
* LEDs subdevice platform data
*/
#define ADP8860_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT)
#define ADP8860_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT)
#define ADP8860_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT)
#define ADP8860_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT)
#define ADP8860_LED_ONT_200ms 0
#define ADP8860_LED_ONT_600ms 1
#define ADP8860_LED_ONT_800ms 2
#define ADP8860_LED_ONT_1200ms 3
#define ADP8860_LED_D7 (7)
#define ADP8860_LED_D6 (6)
#define ADP8860_LED_D5 (5)
#define ADP8860_LED_D4 (4)
#define ADP8860_LED_D3 (3)
#define ADP8860_LED_D2 (2)
#define ADP8860_LED_D1 (1)
/*
* Backlight subdevice platform data
*/
#define ADP8860_BL_D7 (1 << 6)
#define ADP8860_BL_D6 (1 << 5)
#define ADP8860_BL_D5 (1 << 4)
#define ADP8860_BL_D4 (1 << 3)
#define ADP8860_BL_D3 (1 << 2)
#define ADP8860_BL_D2 (1 << 1)
#define ADP8860_BL_D1 (1 << 0)
#define ADP8860_FADE_T_DIS 0 /* Fade Timer Disabled */
#define ADP8860_FADE_T_300ms 1 /* 0.3 Sec */
#define ADP8860_FADE_T_600ms 2
#define ADP8860_FADE_T_900ms 3
#define ADP8860_FADE_T_1200ms 4
#define ADP8860_FADE_T_1500ms 5
#define ADP8860_FADE_T_1800ms 6
#define ADP8860_FADE_T_2100ms 7
#define ADP8860_FADE_T_2400ms 8
#define ADP8860_FADE_T_2700ms 9
#define ADP8860_FADE_T_3000ms 10
#define ADP8860_FADE_T_3500ms 11
#define ADP8860_FADE_T_4000ms 12
#define ADP8860_FADE_T_4500ms 13
#define ADP8860_FADE_T_5000ms 14
#define ADP8860_FADE_T_5500ms 15 /* 5.5 Sec */
#define ADP8860_FADE_LAW_LINEAR 0
#define ADP8860_FADE_LAW_SQUARE 1
#define ADP8860_FADE_LAW_CUBIC1 2
#define ADP8860_FADE_LAW_CUBIC2 3
#define ADP8860_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */
#define ADP8860_BL_AMBL_FILT_160ms 1
#define ADP8860_BL_AMBL_FILT_320ms 2
#define ADP8860_BL_AMBL_FILT_640ms 3
#define ADP8860_BL_AMBL_FILT_1280ms 4
#define ADP8860_BL_AMBL_FILT_2560ms 5
#define ADP8860_BL_AMBL_FILT_5120ms 6
#define ADP8860_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */
/*
* Blacklight current 0..30mA
*/
#define ADP8860_BL_CUR_mA(I) ((I * 127) / 30)
/*
* L2 comparator current 0..1106uA
*/
#define ADP8860_L2_COMP_CURR_uA(I) ((I * 255) / 1106)
/*
* L3 comparator current 0..138uA
*/
#define ADP8860_L3_COMP_CURR_uA(I) ((I * 255) / 138)
struct adp8860_backlight_platform_data {
u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */
u8 bl_fade_in; /* Backlight Fade-In Timer */
u8 bl_fade_out; /* Backlight Fade-Out Timer */
u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */
u8 en_ambl_sens; /* 1 = enable ambient light sensor */
u8 abml_filt; /* Light sensor filter time */
u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
u8 l2_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
u8 l2_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
u8 l3_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
u8 l3_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
/**
* Independent Current Sinks / LEDS
* Sinks not assigned to the Backlight can be exposed to
* user space using the LEDS CLASS interface
*/
int num_leds;
struct led_info *leds;
u8 led_fade_in; /* LED Fade-In Timer */
u8 led_fade_out; /* LED Fade-Out Timer */
u8 led_fade_law; /* fade-on/fade-off transfer characteristic */
u8 led_on_time;
/**
* Gain down disable. Setting this option does not allow the
* charge pump to switch to lower gains. NOT AVAILABLE on ADP8860
* 1 = the charge pump doesn't switch down in gain until all LEDs are 0.
* The charge pump switches up in gain as needed. This feature is
* useful if the ADP8863 charge pump is used to drive an external load.
* This feature must be used when utilizing small fly capacitors
* (0402 or smaller).
* 0 = the charge pump automatically switches up and down in gain.
* This provides optimal efficiency, but is not suitable for driving
* loads that are not connected through the ADP8863 diode drivers.
* Additionally, the charge pump fly capacitors should be low ESR
* and sized 0603 or greater.
*/
u8 gdwn_dis;
};
#endif /* __LINUX_I2C_ADP8860_H */

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@@ -69,6 +69,29 @@ struct lcd_device {
struct device dev;
};
struct lcd_platform_data {
/* reset lcd panel device. */
int (*reset)(struct lcd_device *ld);
/* on or off to lcd panel. if 'enable' is 0 then
lcd power off and 1, lcd power on. */
int (*power_on)(struct lcd_device *ld, int enable);
/* it indicates whether lcd panel was enabled
from bootloader or not. */
int lcd_enabled;
/* it means delay for stable time when it becomes low to high
or high to low that is dependent on whether reset gpio is
low active or high active. */
unsigned int reset_delay;
/* stable time needing to become lcd power on. */
unsigned int power_on_delay;
/* stable time needing to become lcd power off. */
unsigned int power_off_delay;
/* it could be used for any purpose. */
void *pdata;
};
static inline void lcd_set_power(struct lcd_device *ld, int power)
{
mutex_lock(&ld->update_lock);

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@@ -0,0 +1,51 @@
/*
* Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
* PCF50633 backlight device driver
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __LINUX_MFD_PCF50633_BACKLIGHT
#define __LINUX_MFD_PCF50633_BACKLIGHT
/*
* @default_brightness: Backlight brightness is initialized to this value
*
* Brightness to be used after the driver has been probed.
* Valid range 0-63.
*
* @default_brightness_limit: The actual brightness is limited by this value
*
* Brightness limit to be used after the driver has been probed. This is useful
* when it is not known how much power is available for the backlight during
* probe.
* Valid range 0-63. Can be changed later with pcf50633_bl_set_brightness_limit.
*
* @ramp_time: Display ramp time when changing brightness
*
* When changing the backlights brightness the change is not instant, instead
* it fades smooth from one state to another. This value specifies how long
* the fade should take. The lower the value the higher the fade time.
* Valid range 0-255
*/
struct pcf50633_bl_platform_data {
unsigned int default_brightness;
unsigned int default_brightness_limit;
uint8_t ramp_time;
};
struct pcf50633;
int pcf50633_bl_set_brightness_limit(struct pcf50633 *pcf, unsigned int limit);
#endif

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@@ -18,6 +18,7 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/power_supply.h>
#include <linux/mfd/pcf50633/backlight.h>
struct pcf50633;
@@ -43,6 +44,8 @@ struct pcf50633_platform_data {
void (*force_shutdown)(struct pcf50633 *);
u8 resumers[5];
struct pcf50633_bl_platform_data *backlight_data;
};
struct pcf50633_irq {
@@ -152,6 +155,7 @@ struct pcf50633 {
struct platform_device *mbc_pdev;
struct platform_device *adc_pdev;
struct platform_device *input_pdev;
struct platform_device *bl_pdev;
struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
};