samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

touch: Pull down GPIOs during SUSPEND

Browse Source 
Enablement and disablement of GPIO pins along with LDOs
during RESUME and SUSPEND state respectively.

Change-Id: If24272ca1410ac583ba9ea6792c44459a8429334
Signed-off-by: Surya Teja Kudiri <quic_skudiri@quicinc.com>
This commit is contained in:
Surya Teja Kudiri
2022-09-19 15:22:20 +05:30
parent 0fb4da9875
commit f8c8176c7a
3 changed files with 32 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
pt/pt_core.c
View File

@@ -7664,8 +7664,14 @@ static int pt_core_sleep_(struct pt_core_data *cd)
if (IS_EASY_WAKE_CONFIGURED(cd->easy_wakeup_gesture))
rc = pt_put_device_into_easy_wakeup_(cd);
else if (cd->cpdata->flags & PT_CORE_FLAG_POWEROFF_ON_SLEEP)
else if (cd->cpdata->flags & PT_CORE_FLAG_POWEROFF_ON_SLEEP) {
pt_debug(cd->dev, DL_INFO,
"%s: Entering into poweroff mode:\n", __func__);
rc = pt_core_poweroff_device_(cd);
if (rc < 0)
pr_err("%s: Poweroff error detected :rc=%d\n",
__func__, rc);
}
else if (cd->cpdata->flags & PT_CORE_FLAG_DEEP_STANDBY)
rc = pt_put_device_into_deep_standby_(cd);
else
@@ -9490,8 +9496,14 @@ static int pt_core_wake_(struct pt_core_data *cd)
if (!(cd->cpdata->flags & PT_CORE_FLAG_SKIP_RESUME)) {
if (IS_EASY_WAKE_CONFIGURED(cd->easy_wakeup_gesture))
rc = pt_core_wake_device_from_easy_wake_(cd);
else if (cd->cpdata->flags & PT_CORE_FLAG_POWEROFF_ON_SLEEP)
else if (cd->cpdata->flags & PT_CORE_FLAG_POWEROFF_ON_SLEEP) {
pt_debug(cd->dev, DL_INFO,
"%s: Entering into poweron mode:\n", __func__);
rc = pt_core_poweron_device_(cd);
if (rc < 0)
pr_err("%s: Poweron error detected: rc=%d\n",
__func__, rc);
}
else if (cd->cpdata->flags & PT_CORE_FLAG_DEEP_STANDBY)
rc = pt_core_wake_device_from_deep_standby_(cd);
else /* Default action to exit DeepSleep */
@@ -10438,11 +10450,6 @@ static int pt_core_rt_suspend(struct device *dev)
return -EAGAIN;
}
rc = pt_enable_regulator(cd, false);
if (rc < 0) {
dev_err(dev, "%s: Failed to disable regulators: rc=%d\n",
__func__, rc);
}
return 0;
}
@@ -10468,15 +10475,6 @@ static int pt_core_rt_resume(struct device *dev)
if (cd->cpdata->flags & PT_CORE_FLAG_SKIP_RUNTIME)
return 0;
rc = pt_enable_regulator(cd, true);
if (rc < 0) {
dev_err(dev, "%s: Failed to enable regulators: rc=%d\n",
__func__, rc);
}
dev_info(dev, "%s: Runtime voltage regulator enabled: rc=%d\n",
__func__, rc);
rc = pt_core_wake(cd);
if (rc < 0) {
pt_debug(dev, DL_ERROR, "%s: Error on wake\n", __func__);
@@ -10507,6 +10505,8 @@ static int pt_core_suspend_(struct device *dev)
int rc;
struct pt_core_data *cd = dev_get_drvdata(dev);
pt_debug(dev, DL_INFO, "%s: Entering into suspend mode:\n",
__func__);
rc = pt_core_sleep(cd);
if (rc < 0) {
pt_debug(dev, DL_ERROR, "%s: Error on sleep\n", __func__);
@@ -10579,7 +10579,7 @@ static int pt_core_suspend(struct device *dev)
******************************************************************************/
static int pt_core_resume_(struct device *dev)
{
int rc;
int rc = 0;
struct pt_core_data *cd = dev_get_drvdata(dev);
dev_info(dev, "%s: Entering into resume mode:\n",

10
pt/pt_platform.c
View File

@@ -541,7 +541,10 @@ static int pt_wakeup(struct pt_core_platform_data *pdata,
int rc = 0;
#ifdef PT_PINCTRL_EN
pt_pinctrl_select_normal(pdata, dev);
rc = pt_pinctrl_select_normal(pdata, dev);
if (rc)
pr_err("%s: GPIO pins activation error: rc=%d\n",
__func__, rc);
#endif
#ifdef TT7XXX_EXAMPLE
@@ -674,7 +677,10 @@ static int pt_sleep(struct pt_core_platform_data *pdata,
pt_debug(dev, DL_INFO, "%s: Turn off defined pwr\n", __func__);
#endif
#ifdef PT_PINCTRL_EN
pt_pinctrl_select_suspend(pdata, dev);
rc = pt_pinctrl_select_suspend(pdata, dev);
if (rc)
pr_err("%s: GPIO pins suspend error: rc=%d\n",
__func__, rc);
#endif
return rc;
}

9
pt/pt_regs.h
View File

@@ -120,8 +120,13 @@
#define CONFIG_PM_SLEEP
#endif
#ifndef CONFIG_PM_RUNTIME
#define CONFIG_PM_RUNTIME
/* Pin Control Macro Enablement */
#ifndef PT_PINCTRL_EN
#define PT_PINCTRL_EN
#endif
#ifndef TT7XXX_EXAMPLE
#define TT7XXX_EXAMPLE
#endif
/*