static void aat2862_set_main_current_level(struct i2c_client *client, int level)
{
struct aat2862_device *dev;
unsigned char val;
unsigned char aat2862_muic_mode;
dev = (struct aat2862_device *)i2c_get_clientdata(client);
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
/* 20101124 [email protected] for CP_USB and CP_UART[LGE_START]*/
aat2862_muic_mode = get_muic_mode();
if ((aat2862_muic_mode == 9) && (check_battery_present() == 0)) //20101126 [email protected] to check battery present
level = 0x00;
/* 20101124 [email protected] for CP_USB and CP_UART[LGE_END]*/
val = 0xFF - level;
//val = 0xC0 | (backlight_status<<5) | level;
aat2862_write_reg(client, 0x03, val);
if(level > 0x3F){
val = 0;
}else{
val = 0x3F - level;
}
aat2862_write_reg(client, 0x04, val);
aat2862_write_reg(client, 0x05, val);
aat2862_write_reg(client, 0x06, val);
mdelay(1); // 20100526 [email protected]
}
static void aat2862_set_main_current_level(struct i2c_client *client, int level)
{
struct aat2862_device *dev;
unsigned char val;
dev = (struct aat2862_device *)i2c_get_clientdata(client);
cur_main_lcd_level = level;
dev->bl_dev->props.brightness = cur_main_lcd_level;
aat2862_write_reg(client, 0x0,0xff); /* LCD channel enable */
val = 0xFF - level;
//val = 0xC0 | (backlight_status<<5) | level;
aat2862_write_reg(client, 0x03, val);
if(level > 0x3F){
val = 0;
}else{
val = 0x3F - level;
}
aat2862_write_reg(client, 0x04, val);
aat2862_write_reg(client, 0x05, val);
aat2862_write_reg(client, 0x06, val);
mdelay(1); // 20100526 [email protected]
}
static void aat2862_touch_ldo_enable(struct i2c_client *client, int on)
{
#if 0
aat2862_set_ldo(1, ENLDO_D, VLDO_3_0V);
msleep(1);
aat2862_set_ldo(1, ENLDO_C, VLDO_1_8V);
#endif
if(on)
{
aat2862_write_reg(client, 0x02, 0x0B);
msleep(10);
aat2862_write_reg(client, 0x02, 0x0F);
msleep(10);
touch_i2c2_enable(on);
}
else
{
touch_i2c2_enable(on);
msleep(10);
aat2862_write_reg(client, 0x02, 0x0B);
msleep(10);
aat2862_write_reg(client, 0x02, 0x03);
}
// printk(KERN_WARNING"[!] %s()\n", __func__);
}
static int aat2862_bl_suspend(struct i2c_client *client, pm_message_t state)
{
printk(KERN_INFO"%s: new state: %d\n",__func__, state.event);
//client->dev.power.power_state = state;
aat2862_backlight_off();
aat2862_write_reg(client, 0x03, 0x0F);
aat2862_write_reg(client, 0x04, 0x0F);
aat2862_write_reg(client, 0x05, 0x0F);
aat2862_write_reg(client, 0x06, 0x0F);
early_bl_timer = 0;
return 0;
}
void aat2862_ldo_enable(unsigned char num, int enable)
{
unsigned char org;
aat2862_read_reg(aat2862_i2c_client, LDO_ABCD_EN_REG, &org);
if(enable)
{
aat2862_write_reg(aat2862_i2c_client, LDO_ABCD_EN_REG, org | (1<< num));
}
else
{
aat2862_write_reg(aat2862_i2c_client, LDO_ABCD_EN_REG, org & ~(1<<num));
}
}
static int aat2862_resume(struct i2c_client *client)
{
aat2862_init(client);
//printk(KERN_INFO"%s: old state: %d\n",__func__, client->dev.power.power_state.event);
client->dev.power.power_state = PMSG_ON;
// 20100525 [email protected] Patch for touch/panel resumption failure [START_LGE]
aat2862_write_reg(client, 0x00, 0x4C);
aat2862_write_reg(client, 0x01, 0x49);
// 20100525 [email protected] Patch for touch/panel resumption failure [END_LGE]
aat2862_write_reg(client, 0x02, 0x03);
mdelay(10);
// 20101016 [email protected] Turn off unnecessary modules upon BL off [START_LGE]
#if 0 // Following reduces around 20uA.
gpio_direction_output(MY_HDMI_REG_EN, 1);
gpio_set_value(MY_HDMI_REG_EN, 1);
gpio_direction_output(MY_CAM_SUBPM_EN, 1);
gpio_set_value(MY_CAM_SUBPM_EN, 1);
gpio_direction_output(MY_CAM_VCM_EN, 1);
gpio_set_value(MY_CAM_VCM_EN, 1);
gpio_direction_output(MY_DMB_EN, 1);
gpio_set_value(MY_DMB_EN, 1);
gpio_direction_input(MY_MOTION_INT);
gpio_direction_input(MY_COM_INT);
#endif
#if 0 // Followings reduces around 60uA.
omap_writew(i2c3_scl, 0x480021C2); // sookyoung.kim
omap_writew(i2c3_sda, 0x480021C4); // sookyoung.kim
#endif
#if 0 // Followings, coupled with memory refresh rate control, reduces around 600uA.
omap_writew(i2c4_scl, 0x48002A00); // sookyoung.kim
omap_writew(i2c4_sda, 0x48002A02); // sookyoung.kim
#endif
// 20101016 [email protected] Turn off unnecessary modules upon BL off [END_LGE]
// 20100630 [email protected] Hub touchscreen power sequence [START_LGE]
aat2862_touch_ldo_enable(client, 1);
// 20100630 [email protected] Hub touchscreen power sequence [END_LGE]
//aat2862_backlight_on();
return 0;
}
static int aat2862_resume(struct i2c_client *client)
{
aat2862_init(client);
printk(KERN_INFO"%s: old state: %d\n",__func__, client->dev.power.power_state.event);
client->dev.power.power_state = PMSG_ON;
// 20100525 [email protected] Patch for touch/panel resumption failure [START_LGE]
aat2862_write_reg(client, LDO_AB_LEVEL_REG, 0x4C);
aat2862_write_reg(client, LDO_CD_LEVEL_REG, 0x4C);
// 20100525 [email protected] Patch for touch/panel resumption failure [END_LGE]
// 20100717 [email protected] power sequence for touch [START_LGE]
aat2862_write_reg(client, LDO_ABCD_EN_REG, 0x03);
mdelay(5);
aat2862_touch_ldo_enable(client, 1);
// 20100717 [email protected] power sequence for touch [END_LGE]
// aat2862_write_reg(client, LDO_ABCD_EN_REG, 0x0F);
// mdelay(10);
//aat2862_backlight_on();
return 0;
}
void aat2862_init(struct i2c_client *client)
{
//unsigned i;
gpio_request(LCD_CP_EN, "lcd bl");
gpio_direction_output(LCD_CP_EN, 1);
aat2862_hreset();
#if 0 //20100709 [email protected] for resume
for (i = 0; pwron_seq[i].reg != I2C_NO_REG; i++) {
aat2862_write_reg(client, pwron_seq[i].reg, pwron_seq[i].val);
mdelay(10);
}
backlight_status = BL_ON;
#endif
}
static int aat2862_suspend(struct i2c_client *client, pm_message_t state)
{
printk(KERN_INFO"%s: new state: %d\n",__func__, state.event);
client->dev.power.power_state = state;
// 20100717 [email protected] power sequence for touch [START_LGE]
aat2862_touch_ldo_enable(client, 0);
mdelay(5);
// 20100717 [email protected] power sequence for touch [END_LGE]
aat2862_write_reg(client, LDO_ABCD_EN_REG, 0x00);
gpio_direction_output(LCD_CP_EN, 0);
return 0;
}
static int aat2862_suspend(struct i2c_client *client, pm_message_t state)
{
//printk(KERN_INFO"%s: new state: %d\n",__func__, state.event);
// 20100630 [email protected] Hub touchscreen power sequence [START_LGE]
aat2862_touch_ldo_enable(client, 0);
// 20100630 [email protected] Hub touchscreen power sequence [END_LGE]
// 20101016 [email protected] Turn off unnecessary modules upon BL off [START_LGE]
#if 0 // Followings reduces around 20uA.
gpio_direction_output(MY_HDMI_REG_EN, 0);
gpio_set_value(MY_HDMI_REG_EN, 0);
gpio_direction_output(MY_CAM_SUBPM_EN, 0);
gpio_set_value(MY_CAM_SUBPM_EN, 0);
gpio_direction_output(MY_CAM_VCM_EN, 0);
gpio_set_value(MY_CAM_VCM_EN, 0);
gpio_direction_output(MY_DMB_EN, 0);
gpio_set_value(MY_DMB_EN, 0);
gpio_direction_output(MY_MOTION_INT, 0);
gpio_direction_output(MY_COM_INT, 0);
#endif
#if 0 // Followings reduces around 60uA.
i2c3_scl = omap_readw(0x480021C2); // sookyoung.kim
i2c3_sda = omap_readw(0x480021C4); // sookyoung.kim
omap_writew(0x0000, 0x480021C2); // sookyoung.kim
omap_writew(0x0000, 0x480021C4); // sookyoung.kim
#endif
#if 0 // Followings, coupled with memory refresh rate control, reduces around 600uA.
i2c4_scl = omap_readw(0x48002A00); // sookyoung.kim
i2c4_sda = omap_readw(0x48002A02); // sookyoung.kim
omap_writew(0x0000, 0x48002A00); // sookyoung.kim
omap_writew(0x0000, 0x48002A02); // sookyoung.kim
#endif
// 20101016 [email protected] Turn off unnecessary modules upon BL off [END_LGE]
client->dev.power.power_state = state;
aat2862_write_reg(client, 0x02, 0x00);
gpio_direction_output(MY_LCD_CP_EN, 0);
gpio_set_value(MY_LCD_CP_EN, 0);
return 0;
}
