/* To avoid device shutdown when timeout,
* 0x01 and 0x02 bits need to be refreshed within less than 13.0s
* use timer to do it
*/
static void flash_on(struct work_struct *work)
{
printk("flash_on!\n");
tps61310_i2c_write(tps61310_client, 0x01, 0x40 );
tps61310_i2c_write(tps61310_client, 0x02, 0x40 );
/* Restart timer ,so it can be recurrent */
hrtimer_start(&flash_timer, ktime_set(FLASH_REFRESHED_TIME, 0), HRTIMER_MODE_REL);
}
/*different handlings of different flash's states*/
int tps61310_set_flash(unsigned led_state)
{
int rc = 0;
hw_camera_flash_number led_num = get_hw_camera_flash_number();
printk("tps61310_set_flash: led_state = %d\n", led_state);
/* timer should be cancel,when Led_state possible changed */
if(timer_is_run)
{
hrtimer_cancel(&flash_timer);
timer_is_run = false;
}
switch (led_state)
{
case MSM_CAMERA_LED_LOW:
case MSM_CAMERA_LED_TORCH:
case MSM_CAMERA_LED_TORCH_MIDDLE: //use for flashlight
tps61310_i2c_write( tps61310_client,0x00, 0x0A );
tps61310_i2c_write( tps61310_client,0x05, 0x6F );
tps61310_i2c_write( tps61310_client,0x01, 0x40 );
tps61310_i2c_write( tps61310_client,0x02, 0x40 );
INIT_WORK(&flash_work, flash_on);
hrtimer_init(&flash_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
flash_timer.function= flash_timer_func;
timer_is_run = true;
hrtimer_start(&flash_timer, ktime_set(FLASH_REFRESHED_TIME, 0), HRTIMER_MODE_REL);
break;
case MSM_CAMERA_LED_HIGH:
gpio_set_value(tps61310_strb0, 1);
tps61310_i2c_write( tps61310_client, 0x03, 0xE7 );
tps61310_i2c_write( tps61310_client, 0x05, 0x6F );
if(CAMERA_FLASH_LED_DOUBLE == led_num)
{
tps61310_i2c_write( tps61310_client, 0x01, 0x94 );
tps61310_i2c_write( tps61310_client, 0x02, 0x8a );
}
else
{
tps61310_i2c_write( tps61310_client, 0x01, 0x88 );
tps61310_i2c_write( tps61310_client, 0x02, 0x88 );
}
break;
case MSM_CAMERA_LED_TORCH_HIGH: //use for flashlight
tps61310_i2c_write( tps61310_client, 0x00, 0x12 );
tps61310_i2c_write( tps61310_client, 0x05, 0x6F );
tps61310_i2c_write( tps61310_client, 0x01, 0x40 );
tps61310_i2c_write( tps61310_client, 0x02, 0x40 );
INIT_WORK(&flash_work, flash_on);
hrtimer_init(&flash_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
flash_timer.function= flash_timer_func;
timer_is_run = true;
hrtimer_start(&flash_timer, ktime_set(FLASH_REFRESHED_TIME, 0), HRTIMER_MODE_REL);
break;
case MSM_CAMERA_LED_TORCH_LOW: //use for flashlight
tps61310_i2c_write( tps61310_client,0x00, 0x08);
tps61310_i2c_write( tps61310_client,0x05, 0x6F );
tps61310_i2c_write( tps61310_client,0x01, 0x40 );
tps61310_i2c_write( tps61310_client,0x02, 0x40 );
INIT_WORK(&flash_work, flash_on);
hrtimer_init(&flash_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
flash_timer.function= flash_timer_func;
timer_is_run = true;
hrtimer_start(&flash_timer, ktime_set(FLASH_REFRESHED_TIME, 0), HRTIMER_MODE_REL);
break;
case MSM_CAMERA_LED_OFF:
tps61310_i2c_write( tps61310_client, 0x00, 0x80 );
gpio_set_value(tps61310_strb0, 0);
break;
case MSM_CAMERA_LED_FIRST_MMI:
printk("MSM_CAMERA_LED_FIRST_MMI\n");
tps61310_i2c_write( tps61310_client,0x00, 0x08 );/*turn on led and then delay*/
tps61310_i2c_write( tps61310_client,0x05, 0x6F );
tps61310_i2c_write( tps61310_client,0x01, 0x40 );
tps61310_i2c_write( tps61310_client,0x02, 0x40 );
usleep(1000*200);
tps61310_i2c_write( tps61310_client, 0x00, 0x80 );/*turn off*/
gpio_set_value(tps61310_strb0, 0);
break;
case MSM_CAMERA_LED_SECOND_MMI:
printk("MSM_CAMERA_LED_SECOND_MMI\n");
tps61310_i2c_write( tps61310_client,0x00, 0x02 );/*switch to the other led*/
tps61310_i2c_write( tps61310_client,0x05, 0x6F );
tps61310_i2c_write( tps61310_client,0x01, 0x40 );
tps61310_i2c_write( tps61310_client,0x02, 0x40 );
usleep(1000*200);
tps61310_i2c_write( tps61310_client, 0x00, 0x80 );/*turn off*/
gpio_set_value(tps61310_strb0, 0);
break;
default:
tps61310_i2c_write( tps61310_client, 0x00, 0x80 );
gpio_set_value(tps61310_strb0, 0);
break;
}
return rc;
}
/*different handlings of different flash's states*/
int tps61310_set_flash(unsigned led_state)
{
int rc = 0;
printk("tps61310_set_flash: led_state = %d\n", led_state);
/* timer should be cancel,when Led_state possible changed */
if(timer_is_run)
{
hrtimer_cancel(&flash_timer);
timer_is_run = false;
}
switch (led_state)
{
case MSM_CAMERA_LED_LOW:
#ifdef CONFIG_ARCH_MSM7X30
pm8xxx_gpio_set_value(PMIC_GPIO_FLASH_EN, 1);
pm8xxx_gpio_set_value(PMIC_GPIO_TORCH_FLASH, 1);
mdelay(1);
#endif
tps61310_i2c_write( tps61310_client,0x00, 0x0A );
tps61310_i2c_write( tps61310_client,0x05, 0x6F );
tps61310_i2c_write( tps61310_client,0x01, 0x40 );
tps61310_i2c_write( tps61310_client,0x02, 0x40 );
INIT_WORK(&flash_work, flash_on);
hrtimer_init(&flash_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
flash_timer.function= flash_timer_func;
timer_is_run = true;
hrtimer_start(&flash_timer, ktime_set(FLASH_REFRESHED_TIME, 0), HRTIMER_MODE_REL);
break;
case MSM_CAMERA_LED_HIGH:
#ifdef CONFIG_ARCH_MSM7X27A
gpio_set_value(tps61310_strb0, 1);
#else
pm8xxx_gpio_set_value(PMIC_GPIO_FLASH_EN, 1);
pm8xxx_gpio_set_value(PMIC_GPIO_TORCH_FLASH, 1);
mdelay(1);
#endif
tps61310_i2c_write( tps61310_client, 0x03, 0xE7 );
tps61310_i2c_write( tps61310_client, 0x05, 0x6F );
tps61310_i2c_write( tps61310_client, 0x01, 0x88 );
tps61310_i2c_write( tps61310_client, 0x02, 0x88 );
break;
case MSM_CAMERA_LED_TORCH:
#ifdef CONFIG_ARCH_MSM7X30
pm8xxx_gpio_set_value(PMIC_GPIO_FLASH_EN, 1);
pm8xxx_gpio_set_value(PMIC_GPIO_TORCH_FLASH, 1);
mdelay(1);
#endif
tps61310_i2c_write( tps61310_client,0x00, 0x0A );
tps61310_i2c_write( tps61310_client,0x05, 0x6F );
tps61310_i2c_write( tps61310_client,0x01, 0x40 );
tps61310_i2c_write( tps61310_client,0x02, 0x40 );
INIT_WORK(&flash_work, flash_on);
hrtimer_init(&flash_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
flash_timer.function= flash_timer_func;
timer_is_run = true;
hrtimer_start(&flash_timer, ktime_set(FLASH_REFRESHED_TIME, 0), HRTIMER_MODE_REL);
break;
case MSM_CAMERA_LED_OFF:
tps61310_i2c_write( tps61310_client, 0x00, 0x80 );
#ifdef CONFIG_ARCH_MSM7X27A
gpio_set_value(tps61310_strb0, 0);
#else
mdelay(1);
pm8xxx_gpio_set_value(PMIC_GPIO_FLASH_EN, 0);
pm8xxx_gpio_set_value(PMIC_GPIO_TORCH_FLASH, 0);
#endif
break;
default:
tps61310_i2c_write( tps61310_client, 0x00, 0x80 );
#ifdef CONFIG_ARCH_MSM7X27A
gpio_set_value(tps61310_strb0, 0);
#else
mdelay(1);
pm8xxx_gpio_set_value(PMIC_GPIO_FLASH_EN, 0);
pm8xxx_gpio_set_value(PMIC_GPIO_TORCH_FLASH, 0);
#endif
break;
}
return rc;
}
