static int wm8994_resume(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
#if defined(CONFIG_MACH_STAR) || defined(CONFIG_MACH_BSSQ)
if(in_call_state()
//
|| is_fmradio_state()
//
)
return 0;
#endif /* MOBII LP1 sleep */
/* We may have lied to the PM core about suspending */
if (!wm8994->suspended)
return 0;
ret = regulator_bulk_enable(wm8994->num_supplies,
wm8994->supplies);
if (ret != 0) {
printk("Failed to enable supplies: %d\n", ret);
return ret;
}
ret = wm8994_bulk_write(wm8994, WM8994_INTERRUPT_STATUS_1_MASK,
WM8994_NUM_IRQ_REGS, &wm8994->irq_masks_cur);
if (ret < 0)
printk("Failed to restore interrupt masks: %d\n", ret);
ret = wm8994_bulk_write(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS,
&wm8994->ldo_regs);
if (ret < 0)
printk("Failed to restore LDO registers: %d\n", ret);
ret = wm8994_bulk_write(wm8994, WM8994_GPIO_1, WM8994_NUM_GPIO_REGS,
&wm8994->gpio_regs);
if (ret < 0)
printk("Failed to restore GPIO registers: %d\n", ret);
printk("[chahee.kim] wm8994_resume in wm8994-core.c END !!\n");
wm8994->suspended = false;
return 0;
}
static int touch_suspend(struct i2c_client *client, pm_message_t state)
{
struct lge_touch_driver *touch = i2c_get_clientdata(client);
#if 0//defined(CONFIG_LU6500) || defined(CONFIG_KS1001)
#ifndef CONFIG_HAS_EARLYSUSPEND
touch->h_interrupt->disable(touch->h_touch);
#endif
already_call_state = false;
if (!in_call_state()) {
touch->h_powerCtrl->off(touch->h_touch);
gp2a_power_control(0);
} else
already_call_state = true;
#else
#ifndef CONFIG_HAS_EARLYSUSPEND
touch->h_interrupt->disable(touch->h_touch);
#endif
touch->h_powerCtrl->off(touch->h_touch);
#endif
return 0;
}
static int wm8994_suspend(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
#if defined(CONFIG_MACH_STAR) || defined(CONFIG_MACH_BSSQ)
if(in_call_state()
//
|| is_fmradio_state()
//
)
return 0;
#endif /* MOBII LP1 sleep */
/* Don't actually go through with the suspend if the CODEC is
* still active (eg, for audio passthrough from CP. */
//
#if 0
ret = wm8994_reg_read(wm8994, WM8994_POWER_MANAGEMENT_1);
if (ret < 0) {
printk("[chahee.kim] Failed to read power status: %d\n", ret);
} else if (ret & WM8994_VMID_SEL_MASK) {
printk("[chahee.kim] CODEC still active, ignoring suspend\n");
return 0;
}
#endif
//
/* GPIO configuration state is saved here since we may be configuring
* the GPIO alternate functions even if we're not using the gpiolib
* driver for them.
*/
ret = wm8994_bulk_read(wm8994, WM8994_GPIO_1, WM8994_NUM_GPIO_REGS,
&wm8994->gpio_regs);
if (ret < 0)
printk("Failed to save GPIO registers: %d\n", ret);
/* For similar reasons we also stash the regulator states */
ret = wm8994_bulk_read(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS,
&wm8994->ldo_regs);
if (ret < 0)
printk("Failed to save LDO registers: %d\n", ret);
/* Explicitly put the device into reset in case regulators
* don't get disabled in order to ensure consistent restart.
*/
wm8994_reg_write(wm8994, WM8994_SOFTWARE_RESET, 0x8994);
wm8994->suspended = true;
//
printk("[chahee.kim] wm8994_suspend in wm8994-core.c END !!\n");
//
ret = regulator_bulk_disable(wm8994->num_supplies,
wm8994->supplies);
if (ret != 0) {
dev_err(dev, "Failed to disable supplies: %d\n", ret);
return ret;
}
return 0;
}
