static int switch_resume(struct platform_device *pdev)
{
struct gpio_switch_data *switch_data;
pr_debug("[headset]:resume start\n");
if (check_scene_locked(SCENE_TALKING_STANDBY) != 0) {
hmic_wr_control(SUNXI_HMIC_CTL, 0xf, HMIC_M, 0x0); /*0xf should be get from hw_debug 28*/
hmic_wr_control(SUNXI_HMIC_CTL, 0xf, HMIC_N, 0x0); /*0xf should be get from hw_debug 24*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_EARPHONE_OUT_IRQ_EN, 0x1); /*20*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_EARPHONE_IN_IRQ_EN, 0x1); /*19*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_KEY_UP_IRQ_EN, 0x1); /*18*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_KEY_DOWN_IRQ_EN, 0x1); /*17*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_DATA_IRQ_EN, 0x1); /*16*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x3, HMIC_DS_SAMP, 0x0); /*14*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1f, HMIC_TH2_KEY, 0x0); /*0xf should be get from hw_debug 8*/
hmic_wr_control(SUNXI_HMIC_CTL, 0x1f, HMIC_TH1_EARPHONE, 0x1); /*0x1 should be get from hw_debug 0*/
}
#ifdef CONFIG_ARCH_SUN8IW8
enable_irq(SUNXI_IRQ_CODEC);
#endif
switch_data = (struct gpio_switch_data *)platform_get_drvdata(pdev);
if (switch_data != NULL) {
queue_work(resume_switch_work_queue, &switch_data->resume_work);
}
return 0;
}
static int switch_suspend(struct platform_device *pdev,pm_message_t state)
{
int headphone_mute_used = 0;
script_item_u val;
script_item_value_type_e type;
pr_debug("[headset]:suspend start\n");
/* check if called in talking standby */
if (check_scene_locked(SCENE_TALKING_STANDBY) == 0) {
pr_debug("In talking standby, do not suspend!!\n");
return 0;
}
type = script_get_item("audio0", "headphone_mute_used", &val);
if (SCIRPT_ITEM_VALUE_TYPE_INT != type) {
pr_err("[audiocodec] headphone_mute_used type err!\n");
}
headphone_mute_used = val.val;
if (headphone_mute_used) {
gpio_set_value(item_mute.gpio.gpio, 0);
}
msleep(150);
/*fix the resume blaze blaze noise*/
hmic_wr_prcm_control(ADDA_APT2, 0x1, PA_SLOPE_SELECT, 0x1);
/*disable pa*/
hmic_wr_prcm_control(PAEN_HP_CTRL, 0x1, HPPAEN, 0x0);
hmic_wr_prcm_control(MIC1G_MICBIAS_CTRL, 0x1, HMICBIASEN, 0x0);
msleep(350);
#ifdef CONFIG_ARCH_SUN8IW8
disable_irq(SUNXI_IRQ_CODEC);
#endif
return 0;
}
/**
* extended_standby_show_state - show current standby state, for debug purpose.
*
* function: standby state including locked_scene, power_supply dependancy, the wakeup src.
*
* return value: succeed, return 0, else return -1.
*/
int extended_standby_show_state(void)
{
unsigned long irqflags;
printk("scence_lock: ");
if (!check_scene_locked(SCENE_USB_STANDBY))
printk("usb_standby ");
if (!check_scene_locked(SCENE_TALKING_STANDBY))
printk("talking_standby ");
if (!check_scene_locked(SCENE_MP3_STANDBY))
printk("mp3_standby");
printk("\n");
spin_lock_irqsave(&data_lock, irqflags);
printk("wakeup_src 0x%lx\n", extended_standby_manager.event);
printk("wakeup_gpio_map 0x%lx\n", extended_standby_manager.wakeup_gpio_map);
printk("wakeup_gpio_group 0x%lx\n", extended_standby_manager.wakeup_gpio_group);
if (NULL != extended_standby_manager.pextended_standby)
printk("extended_standby id = 0x%lx\n", extended_standby_manager.pextended_standby->id);
spin_unlock_irqrestore(&data_lock, irqflags);
return 0;
}
