diff options
Diffstat (limited to 'drivers/video/backlight/s6e8aa0.c')
| -rw-r--r-- | drivers/video/backlight/s6e8aa0.c | 339 |
1 files changed, 255 insertions, 84 deletions
diff --git a/drivers/video/backlight/s6e8aa0.c b/drivers/video/backlight/s6e8aa0.c index c9b1184..2cc5466 100644 --- a/drivers/video/backlight/s6e8aa0.c +++ b/drivers/video/backlight/s6e8aa0.c @@ -4,6 +4,8 @@ * * Inki Dae, <inki.dae@samsung.com> * Donghwa Lee, <dh09.lee@samsung.com> + * Joongmock Shin <jmock.shin@samsung.com> + * Eunchul Kim <chulspro.kim@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -21,6 +23,7 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/lcd.h> +#include <linux/lcd-property.h> #include <linux/fb.h> #include <linux/backlight.h> #include <linux/regulator/consumer.h> @@ -28,8 +31,13 @@ #include <video/mipi_display.h> +#include <plat/cpu.h> #include <plat/mipi_dsim2.h> +#if defined(CONFIG_ARM_EXYNOS4_DISPLAY_DEVFREQ) || defined(CONFIG_DISPFREQ_OPP) +#include <linux/devfreq/exynos4_display.h> +#endif + #include "s6e8aa0_gamma.h" #ifdef CONFIG_BACKLIGHT_SMART_DIMMING #include "smart_dimming.h" @@ -43,10 +51,62 @@ #define MIN_BRIGHTNESS (0) #define MAX_BRIGHTNESS (24) +/* 1 */ +#define PANELCTL_SS_MASK (1 << 5) +#define PANELCTL_SS_1_800 (0 << 5) +#define PANELCTL_SS_800_1 (1 << 5) +#define PANELCTL_GTCON_MASK (7 << 2) +#define PANELCTL_GTCON_110 (6 << 2) +#define PANELCTL_GTCON_111 (7 << 2) +/* LTPS */ +/* 30 */ +#define PANELCTL_CLK1_CON_MASK (7 << 3) +#define PANELCTL_CLK1_000 (0 << 3) +#define PANELCTL_CLK1_001 (1 << 3) +#define PANELCTL_CLK2_CON_MASK (7 << 0) +#define PANELCTL_CLK2_000 (0 << 0) +#define PANELCTL_CLK2_001 (1 << 0) +/* 31 */ +#define PANELCTL_INT1_CON_MASK (7 << 3) +#define PANELCTL_INT1_000 (0 << 3) +#define PANELCTL_INT1_001 (1 << 3) +#define PANELCTL_INT2_CON_MASK (7 << 0) +#define PANELCTL_INT2_000 (0 << 0) +#define PANELCTL_INT2_001 (1 << 0) +/* 32 */ +#define PANELCTL_BICTL_CON_MASK (7 << 3) +#define PANELCTL_BICTL_000 (0 << 3) +#define PANELCTL_BICTL_001 (1 << 3) +#define PANELCTL_BICTLB_CON_MASK (7 << 0) +#define PANELCTL_BICTLB_000 (0 << 0) +#define PANELCTL_BICTLB_001 (1 << 0) +/* 36 */ +#define PANELCTL_EM_CLK1_CON_MASK (7 << 3) +#define PANELCTL_EM_CLK1_110 (6 << 3) +#define PANELCTL_EM_CLK1_111 (7 << 3) +#define PANELCTL_EM_CLK1B_CON_MASK (7 << 0) +#define PANELCTL_EM_CLK1B_110 (6 << 0) +#define PANELCTL_EM_CLK1B_111 (7 << 0) +/* 37 */ +#define PANELCTL_EM_CLK2_CON_MASK (7 << 3) +#define PANELCTL_EM_CLK2_110 (6 << 3) +#define PANELCTL_EM_CLK2_111 (7 << 3) +#define PANELCTL_EM_CLK2B_CON_MASK (7 << 0) +#define PANELCTL_EM_CLK2B_110 (6 << 0) +#define PANELCTL_EM_CLK2B_111 (7 << 0) +/* 38 */ +#define PANELCTL_EM_INT1_CON_MASK (7 << 3) +#define PANELCTL_EM_INT1_000 (0 << 3) +#define PANELCTL_EM_INT1_001 (1 << 3) +#define PANELCTL_EM_INT2_CON_MASK (7 << 0) +#define PANELCTL_EM_INT2_000 (0 << 0) +#define PANELCTL_EM_INT2_001 (1 << 0) + #define VER_142 (0x8e) /* MACH_SLP_PQ */ #define VER_174 (0xae) /* MACH_SLP_PQ Dali */ #define VER_42 (0x2a) /* MACH_SLP_PQ_LTE */ #define VER_32 (0x20) /* MACH_SLP_PQ M0 B-Type */ +#define VER_96 (0x60) /* MACH_SLP_PQ Galaxy S3 */ #define VER_210 (0xd2) /* MACH_SLP_PQ M0 A-Type */ #define AID_DISABLE (0x4) @@ -61,87 +121,64 @@ #define lcd_to_master(a) (a->dsim_dev->master) #define lcd_to_master_ops(a) ((lcd_to_master(a))->master_ops) -struct str_elvss { - u8 reference; - u8 limit; -}; - struct panel_model { int ver; char *name; }; -enum { - DSIM_NONE_STATE = 0, - DSIM_RESUME_COMPLETE = 1, - DSIM_FRAME_DONE = 2, -}; - struct s6e8aa0 { struct device *dev; - unsigned int id; - unsigned int aid; - unsigned int ver; - unsigned int power; - unsigned int current_brightness; - unsigned int updated; - unsigned int brightness; - unsigned int resume_complete; - unsigned int acl_enable; - unsigned int cur_acl; - unsigned int cur_addr; - - struct lcd_device *ld; - struct backlight_device *bd; - + struct lcd_device *ld; + struct backlight_device *bd; struct mipi_dsim_lcd_device *dsim_dev; struct lcd_platform_data *ddi_pd; + struct lcd_property *property; - struct mutex lock; - struct regulator *reg_vdd3; - struct regulator *reg_vci; + struct regulator *reg_vdd3; + struct regulator *reg_vci; + +#if defined(CONFIG_ARM_EXYNOS4_DISPLAY_DEVFREQ) || defined(CONFIG_DISPFREQ_OPP) + struct notifier_block nb_disp; +#endif + struct mutex lock; + + unsigned int id; + unsigned int aid; + unsigned int ver; + unsigned int power; + unsigned int acl_enable; + unsigned int cur_acl; + unsigned int cur_addr; const struct panel_model *model; - unsigned int model_count; + unsigned int model_count; - bool enabled; #ifdef CONFIG_BACKLIGHT_SMART_DIMMING - unsigned int support_elvss; - struct str_smart_dim smart_dim; - struct str_elvss elvss; - struct mutex bl_lock; + unsigned int support_elvss; + struct str_smart_dim smart_dim; #endif }; -struct s6e8aa0 *lcd_global; - -static void s6e8aa0_regulator_enable(struct s6e8aa0 *lcd) +static void s6e8aa0_regulator_ctl(struct s6e8aa0 *lcd, bool enable) { + dev_dbg(lcd->dev, "%s:enable[%d]\n", __func__, enable); + mutex_lock(&lcd->lock); - if (!lcd->enabled) { + + if (enable) { if (lcd->reg_vdd3) regulator_enable(lcd->reg_vdd3); if (lcd->reg_vci) regulator_enable(lcd->reg_vci); - - lcd->enabled = true; - } - mutex_unlock(&lcd->lock); -} - -static void s6e8aa0_regulator_disable(struct s6e8aa0 *lcd) -{ - mutex_lock(&lcd->lock); - if (lcd->enabled) { + } else { if (lcd->reg_vci) regulator_disable(lcd->reg_vci); if (lcd->reg_vdd3) regulator_disable(lcd->reg_vdd3); - - lcd->enabled = false; } + mutex_unlock(&lcd->lock); } @@ -178,9 +215,8 @@ static unsigned char s6e8aa0_apply_aid_panel_cond(unsigned int aid) return ret; } -void s6e8aa0_panel_cond(int high_freq) +static void s6e8aa0_panel_cond(struct s6e8aa0 *lcd, int high_freq) { - struct s6e8aa0 *lcd = lcd_global; struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); unsigned char data_to_send_v42[] = { 0xf8, 0x01, 0x34, 0x00, 0x00, 0x00, 0x95, 0x00, 0x3c, @@ -204,6 +240,13 @@ void s6e8aa0_panel_cond(int high_freq) 0x23, 0x6e, 0xc0, 0xc1, 0x01, 0x81, 0xc1, 0x00, 0xc3, 0xf6, 0xf6, 0xc1 }; + unsigned char data_to_send_v96[] = { + 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x94, 0x00, 0x3c, + 0x7d, 0x10, 0x27, 0x08, 0x6e, 0x00, 0x00, 0x00, 0x00, + 0x04, 0x08, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, + 0x23, 0x37, 0xc0, 0xc1, 0x01, 0x81, 0xc1, 0x00, 0xc3, + 0xf6, 0xf6, 0xc1 + }; unsigned char data_to_send_v210[] = { 0xf8, 0x3d, 0x32, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x39, 0x78, 0x08, 0x26, 0x78, 0x3c, 0x00, 0x00, 0x00, 0x20, @@ -213,17 +256,92 @@ void s6e8aa0_panel_cond(int high_freq) }; unsigned char *data_to_send; unsigned int size; + struct lcd_property *property = lcd->property; + unsigned char cfg; if (lcd->ver == VER_42) { data_to_send = data_to_send_v42; size = ARRAY_SIZE(data_to_send_v42); - } else if (lcd->ver == VER_142 || lcd->ver == VER_174) { + } else if (lcd->ver == VER_142) { + data_to_send_v142[18] = s6e8aa0_apply_aid_panel_cond(lcd->aid); + data_to_send = data_to_send_v142; + if (property) { + if (property->flip & LCD_PROPERTY_FLIP_VERTICAL) { + /* GTCON */ + cfg = data_to_send[1]; + cfg &= ~(PANELCTL_GTCON_MASK); + cfg |= (PANELCTL_GTCON_110); + data_to_send[1] = cfg; + } + + if (property->flip & LCD_PROPERTY_FLIP_HORIZONTAL) { + /* SS */ + cfg = data_to_send[1]; + cfg &= ~(PANELCTL_SS_MASK); + cfg |= (PANELCTL_SS_1_800); + data_to_send[1] = cfg; + } + + if (property->flip & (LCD_PROPERTY_FLIP_VERTICAL | + LCD_PROPERTY_FLIP_HORIZONTAL)) { + /* CLK1,2_CON */ + cfg = data_to_send[30]; + cfg &= ~(PANELCTL_CLK1_CON_MASK | + PANELCTL_CLK2_CON_MASK); + cfg |= (PANELCTL_CLK1_000 | PANELCTL_CLK2_001); + data_to_send[30] = cfg; + + /* INT1,2_CON */ + cfg = data_to_send[31]; + cfg &= ~(PANELCTL_INT1_CON_MASK | + PANELCTL_INT2_CON_MASK); + cfg |= (PANELCTL_INT1_000 | PANELCTL_INT2_001); + data_to_send[31] = cfg; + + /* BICTL,B_CON */ + cfg = data_to_send[32]; + cfg &= ~(PANELCTL_BICTL_CON_MASK | + PANELCTL_BICTLB_CON_MASK); + cfg |= (PANELCTL_BICTL_000 | + PANELCTL_BICTLB_001); + data_to_send[32] = cfg; + + /* EM_CLK1,1B_CON */ + cfg = data_to_send[36]; + cfg &= ~(PANELCTL_EM_CLK1_CON_MASK | + PANELCTL_EM_CLK1B_CON_MASK); + cfg |= (PANELCTL_EM_CLK1_110 | + PANELCTL_EM_CLK1B_110); + data_to_send[36] = cfg; + + /* EM_CLK2,2B_CON */ + cfg = data_to_send[37]; + cfg &= ~(PANELCTL_EM_CLK2_CON_MASK | + PANELCTL_EM_CLK2B_CON_MASK); + cfg |= (PANELCTL_EM_CLK2_110 | + PANELCTL_EM_CLK2B_110); + data_to_send[37] = cfg; + + /* EM_INT1,2_CON */ + cfg = data_to_send[38]; + cfg &= ~(PANELCTL_EM_INT1_CON_MASK | + PANELCTL_EM_INT2_CON_MASK); + cfg |= (PANELCTL_EM_INT1_000 | + PANELCTL_EM_INT2_001); + data_to_send[38] = cfg; + } + } + size = ARRAY_SIZE(data_to_send_v142); + } else if (lcd->ver == VER_174) { data_to_send_v142[18] = s6e8aa0_apply_aid_panel_cond(lcd->aid); data_to_send = data_to_send_v142; size = ARRAY_SIZE(data_to_send_v142); } else if (lcd->ver == VER_32) { data_to_send = data_to_send_v32; size = ARRAY_SIZE(data_to_send_v32); + } else if (lcd->ver == VER_96) { + data_to_send = data_to_send_v96; + size = ARRAY_SIZE(data_to_send_v96); } else if (lcd->ver == VER_210) { data_to_send = data_to_send_v210; size = ARRAY_SIZE(data_to_send_v210); @@ -270,7 +388,7 @@ static void s6e8aa0_etc_pentile_control(struct s6e8aa0 *lcd) 0x00 }; - if (lcd->ver == VER_32) + if (lcd->ver == VER_32 || lcd->ver == VER_96) data_to_send[5] = 0xc0; ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, @@ -306,7 +424,7 @@ static void s6e8aa0_etc_power_control(struct s6e8aa0 *lcd) 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x1e, 0x33, 0x02 }; - if (lcd->ver == VER_32) { + if (lcd->ver == VER_32 || lcd->ver == VER_96) { data_to_send[3] = 0x15; data_to_send[5] = 0x19; } @@ -349,6 +467,8 @@ static void s6e8aa0_etc_elvss_control(struct s6e8aa0 *lcd) static void s6e8aa0_elvss_nvm_set(struct s6e8aa0 *lcd) { struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + struct backlight_device *bd = lcd->bd; + int brightness = bd->props.brightness; unsigned char data_to_send[] = { 0xd9, 0x14, 0x40, 0x0c, 0xcb, 0xce, 0x6e, 0xc4, 0x0f, 0x40, 0x41, 0xd9, 0x00, 0x60, 0x19 @@ -358,11 +478,15 @@ static void s6e8aa0_elvss_nvm_set(struct s6e8aa0 *lcd) if (lcd->ver == VER_32) { data_to_send[8] = 0x07; data_to_send[11] = 0xc1; + } else if (lcd->ver == VER_96) { + data_to_send[8] = 0x07; + data_to_send[9] = 0xc0; + data_to_send[11] = 0xc1; } else if (lcd->ver == VER_210 || lcd->ver == VER_174) { data_to_send[8] = 0x07; data_to_send[11] = 0xd0; } else { - switch (lcd->brightness) { + switch (brightness) { case 0 ... 6: /* 30cd ~ 100cd */ data_to_send[11] = 0xdf; break; @@ -428,19 +552,21 @@ static void s6e8aa0_acl_on(struct s6e8aa0 *lcd) { struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, 0xc0, 0x01); + MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xc0, 0x01); } static void s6e8aa0_acl_off(struct s6e8aa0 *lcd) { struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); ops->cmd_write(lcd_to_master(lcd), - MIPI_DSI_DCS_SHORT_WRITE, 0xc0, 0x00); + MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xc0, 0x00); } static void s6e8aa0_acl_ctrl_set(struct s6e8aa0 *lcd) { struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); + struct backlight_device *bd = lcd->bd; + int brightness = bd->props.brightness; /* FIXME: !! must be review acl % value */ /* Full white 50% reducing setting */ const unsigned char cutoff_50[] = { @@ -466,14 +592,14 @@ static void s6e8aa0_acl_ctrl_set(struct s6e8aa0 *lcd) if (lcd->acl_enable) { if (lcd->cur_acl == 0) { - if (lcd->brightness == 0 || lcd->brightness == 1) { + if (brightness == 0 || brightness == 1) { s6e8aa0_acl_off(lcd); dev_dbg(&lcd->ld->dev, "cur_acl=%d\n", lcd->cur_acl); } else s6e8aa0_acl_on(lcd); } - switch (lcd->brightness) { + switch (brightness) { case 0 ... 1: /* 30cd */ s6e8aa0_acl_off(lcd); lcd->cur_acl = 0; @@ -570,7 +696,7 @@ unsigned int convert_brightness_to_gamma(int brightness) return gamma_table[brightness] - 1; } -static int s6e8aa0_update_gamma_ctrl(struct s6e8aa0 *lcd, int brightness) +static int s6e8aa0_gamma_ctrl(struct s6e8aa0 *lcd, int brightness) { struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); @@ -597,22 +723,16 @@ static int s6e8aa0_update_gamma_ctrl(struct s6e8aa0 *lcd, int brightness) ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xf7, 0x03); - lcd->brightness = brightness; - s6e8aa0_acl_ctrl_set(lcd); return 0; } -static int s6e8aa0_gamma_ctrl(struct s6e8aa0 *lcd, int brightness) -{ - s6e8aa0_update_gamma_ctrl(lcd, brightness); - - return 0; -} - static int s6e8aa0_panel_init(struct s6e8aa0 *lcd) { + struct backlight_device *bd = lcd->bd; + int brightness = bd->props.brightness; + s6e8aa0_apply_level_1_key(lcd); if (system_rev == 3) s6e8aa0_apply_level_2_key(lcd); @@ -620,10 +740,10 @@ static int s6e8aa0_panel_init(struct s6e8aa0 *lcd) s6e8aa0_sleep_out(lcd); usleep_range(5000, 6000); - s6e8aa0_panel_cond(1); + s6e8aa0_panel_cond(lcd, 1); s6e8aa0_display_condition_set(lcd); - s6e8aa0_gamma_ctrl(lcd, lcd->bd->props.brightness); + s6e8aa0_gamma_ctrl(lcd, brightness); s6e8aa0_etc_source_control(lcd); s6e8aa0_etc_pentile_control(lcd); @@ -633,6 +753,7 @@ static int s6e8aa0_panel_init(struct s6e8aa0 *lcd) /* if ID3 value is not 33h, branch private elvss mode */ mdelay(lcd->ddi_pd->power_on_delay); + dev_info(lcd->dev, "panel init sequence done.\n"); return 0; } @@ -712,7 +833,7 @@ static int s6e8aa0_set_brightness(struct backlight_device *bd) int ret = 0, brightness = bd->props.brightness; struct s6e8aa0 *lcd = bl_get_data(bd); - if (!lcd->enabled) { + if (lcd->power == FB_BLANK_POWERDOWN) { dev_err(lcd->dev, "lcd off: brightness set failed.\n"); return -EINVAL; @@ -802,9 +923,11 @@ static void s6e8aa0_power_on(struct mipi_dsim_lcd_device *dsim_dev, { struct s6e8aa0 *lcd = dev_get_drvdata(&dsim_dev->dev); + dev_dbg(lcd->dev, "%s:enable[%d]\n", __func__, enable); + if (enable) { /* lcd power on */ - s6e8aa0_regulator_enable(lcd); + s6e8aa0_regulator_ctl(lcd, true); mdelay(lcd->ddi_pd->reset_delay); @@ -813,8 +936,10 @@ static void s6e8aa0_power_on(struct mipi_dsim_lcd_device *dsim_dev, lcd->ddi_pd->reset(lcd->ld); mdelay(5); - } else - s6e8aa0_regulator_disable(lcd); + } else { + /* lcd power off */ + s6e8aa0_regulator_ctl(lcd, false); + } } @@ -924,10 +1049,14 @@ static int s6e8aa0_write_reg(struct s6e8aa0 *lcd, char *name) return ret; } - if (fw->size < 2) + if (fw->size == 1) ret = ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_SHORT_WRITE, - (unsigned int)fw->data, fw->size); + (unsigned int)fw->data[0], 0); + else if (fw->size == 2) + ret = ops->cmd_write(lcd_to_master(lcd), + MIPI_DSI_DCS_SHORT_WRITE_PARAM, + (unsigned int)fw->data[0], fw->data[1]); else ret = ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, @@ -1017,11 +1146,38 @@ static struct panel_model s6e8aa0_model[] = { .ver = VER_32, /* MACH_SLP_PQ M0 B-Type */ .name = "SMD_AMS480GYXX-0", }, { + .ver = VER_96, /* MACH_SLP_PQ Galaxy S3 */ + .name = "SMD_AMS480GYXX-0", + }, { .ver = VER_210, /* MACH_SLP_PQ M0 A-Type */ .name = "SMD_AMS465GS0x", } }; +#if defined(CONFIG_ARM_EXYNOS4_DISPLAY_DEVFREQ) || defined(CONFIG_DISPFREQ_OPP) +static int s6e8aa0_notifier_callback(struct notifier_block *this, + unsigned long event, void *_data) +{ + struct s6e8aa0 *lcd = container_of(this, struct s6e8aa0, nb_disp); + + if (lcd->power == FB_BLANK_POWERDOWN) + return NOTIFY_DONE; + + switch (event) { + case EXYNOS4_DISPLAY_LV_HF: + s6e8aa0_panel_cond(lcd, 1); + break; + case EXYNOS4_DISPLAY_LV_LF: + s6e8aa0_panel_cond(lcd, 0); + break; + default: + return NOTIFY_BAD; + } + + return NOTIFY_DONE; +} +#endif + static int s6e8aa0_probe(struct mipi_dsim_lcd_device *dsim_dev) { struct s6e8aa0 *lcd; @@ -1072,9 +1228,20 @@ static int s6e8aa0_probe(struct mipi_dsim_lcd_device *dsim_dev) goto err_unregister_lcd; } + if (lcd->ddi_pd) + lcd->property = lcd->ddi_pd->pdata; + +#if defined(CONFIG_ARM_EXYNOS4_DISPLAY_DEVFREQ) || defined(CONFIG_DISPFREQ_OPP) + if (lcd->property && lcd->property->dynamic_refresh) { + lcd->nb_disp.notifier_call = s6e8aa0_notifier_callback; + ret = exynos4_display_register_client(&lcd->nb_disp); + if (ret < 0) + dev_warn(&lcd->ld->dev, "failed to register exynos-display notifier\n"); + } +#endif + lcd->bd->props.max_brightness = MAX_BRIGHTNESS; lcd->bd->props.brightness = MAX_BRIGHTNESS; - lcd->acl_enable = 1; lcd->cur_acl = 0; lcd->model = s6e8aa0_model; @@ -1090,11 +1257,9 @@ static int s6e8aa0_probe(struct mipi_dsim_lcd_device *dsim_dev) dev_set_drvdata(&dsim_dev->dev, lcd); - s6e8aa0_regulator_enable(lcd); + s6e8aa0_regulator_ctl(lcd, true); lcd->power = FB_BLANK_UNBLANK; - lcd_global = lcd; - dev_info(lcd->dev, "probed s6e8aa0 panel driver(%s).\n", dev_name(&lcd->ld->dev)); @@ -1121,9 +1286,13 @@ static void s6e8aa0_remove(struct mipi_dsim_lcd_device *dsim_dev) lcd_device_unregister(lcd->ld); regulator_put(lcd->reg_vci); - regulator_put(lcd->reg_vdd3); +#if defined(CONFIG_ARM_EXYNOS4_DISPLAY_DEVFREQ) || defined(CONFIG_DISPFREQ_OPP) + if (lcd->property && lcd->property->dynamic_refresh) + exynos4_display_unregister_client(&lcd->nb_disp); +#endif + kfree(lcd); } @@ -1183,5 +1352,7 @@ module_exit(s6e8aa0_exit); MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); +MODULE_AUTHOR("Joongmock Shin <jmock.shin@samsung.com>"); +MODULE_AUTHOR("Eunchul Kim <chulspro.kim@samsung.com>"); MODULE_DESCRIPTION("MIPI-DSI based s6e8aa0 AMOLED LCD Panel Driver"); MODULE_LICENSE("GPL"); |