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focaltech_0flash_mmi: Add suspend resume mutex

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TP:
Add a mutex to lock suspend and resume function
This is used by touch virtual sensor

Change-Id: I816fa9347299313a392ad9e0b4e4991aac74fef3
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1411930
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2019-08-28 15:35:47 +08:00 • committed by Jialei Hao
commit 8eb26142f2
2 changed files with 24 additions and 2 deletions
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25
drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.c
View file

@ -1712,6 +1712,7 @@ static int fts_ts_probe_entry(struct fts_ts_data *ts_data)
spin_lock_init(&ts_data->irq_lock);
mutex_init(&ts_data->report_mutex);
mutex_init(&ts_data->bus_lock);
mutex_init(&ts_data->suspend_resume_mutex);
#ifdef FOCALTECH_SENSOR_EN
mutex_init(&ts_data->state_mutex);
//unknown screen state
@ -1976,7 +1977,7 @@ static int fts_ts_remove_entry(struct fts_ts_data *ts_data)
return 0;
}
static int fts_ts_suspend(struct device *dev)
static int _fts_ts_suspend(struct device *dev)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
@ -2065,7 +2066,17 @@ static int fts_ts_suspend(struct device *dev)
return 0;
}
static int fts_ts_resume(struct device *dev)
static int fts_ts_suspend(struct device *dev)
{
int ret = 0;
mutex_lock(&fts_data->suspend_resume_mutex);
ret = _fts_ts_suspend(dev);
mutex_unlock(&fts_data->suspend_resume_mutex);
return ret;
}
static int _fts_ts_resume(struct device *dev)
{
struct fts_ts_data *ts_data = fts_data;
@ -2141,6 +2152,16 @@ static int fts_ts_resume(struct device *dev)
return 0;
}
static int fts_ts_resume(struct device *dev)
{
int ret = 0;
mutex_lock(&fts_data->suspend_resume_mutex);
ret = _fts_ts_resume(dev);
mutex_unlock(&fts_data->suspend_resume_mutex);
return ret;
}
/*****************************************************************************
* TP Driver
*****************************************************************************/

1
drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_core.h
View file

@ -179,6 +179,7 @@ struct fts_ts_data {
struct delayed_work esdcheck_work;
struct delayed_work prc_work;
struct work_struct resume_work;
struct mutex suspend_resume_mutex;
struct ftxxxx_proc proc;
spinlock_t irq_lock;
struct mutex report_mutex;