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input: touchscreen: st: cancel pending resume work

Browse source 
Before initiating trusted touch, cancel any pending
suspend or resume work and wait for already scheduled worker
to finish.

Change-Id: I9eb89a76e7238bf2ce18d319b9c50f2da784c703
Signed-off-by: Shashank Babu Chinta Venkata <sbchin@codeaurora.org>
This commit is contained in:
Shashank Babu Chinta Venkata 2021-01-11 21:03:49 -08:00
commit e28fcc60c4
2 changed files with 9 additions and 3 deletions
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11
drivers/input/touchscreen/st/fts.c
View file

@ -769,6 +769,7 @@ static void fts_trusted_touch_abort_pvm(struct fts_ts_info *info)
case TRUSTED_TOUCH_PVM_INIT:
case PVM_I2C_RESOURCE_RELEASED:
atomic_set(&info->trusted_touch_enabled, 0);
atomic_set(&info->trusted_touch_underway, 0);
}
atomic_set(&info->trusted_touch_abort_status, 0);
@ -807,7 +808,8 @@ static int fts_bus_get(struct fts_ts_info *info)
{
int rc = 0;
flush_workqueue(info->event_wq);
cancel_work_sync(&info->suspend_work);
cancel_work_sync(&info->resume_work);
reinit_completion(&info->trusted_touch_powerdown);
fts_enable_reg(info, true);
mutex_lock(&info->fts_clk_io_ctrl_mutex);
@ -884,6 +886,7 @@ static void fts_trusted_touch_pvm_vm_mode_disable(struct fts_ts_info *info)
fts_trusted_touch_set_pvm_driver_state(info,
TRUSTED_TOUCH_PVM_INIT);
atomic_set(&info->trusted_touch_enabled, 0);
atomic_set(&info->trusted_touch_underway, 0);
return;
error:
fts_trusted_touch_abort_handler(info,
@ -1018,6 +1021,8 @@ static int fts_trusted_touch_pvm_vm_mode_enable(struct fts_ts_info *info)
int rc = 0;
struct trusted_touch_vm_info *vm_info = info->vm_info;
atomic_set(&info->trusted_touch_underway, 1);
/* i2c session start and resource acquire */
if (fts_bus_get(info) < 0) {
dev_err(&info->client->dev, "fts_bus_get failed\n");
@ -5350,7 +5355,7 @@ static void fts_resume_work(struct work_struct *work)
info = container_of(work, struct fts_ts_info, resume_work);
#ifdef CONFIG_ST_TRUSTED_TOUCH
if (atomic_read(&info->trusted_touch_enabled))
if (atomic_read(&info->trusted_touch_underway))
wait_for_completion_interruptible(
&info->trusted_touch_powerdown);
#endif
@ -5385,7 +5390,7 @@ static void fts_suspend_work(struct work_struct *work)
info = container_of(work, struct fts_ts_info, suspend_work);
#ifdef CONFIG_ST_TRUSTED_TOUCH
if (atomic_read(&info->trusted_touch_enabled))
if (atomic_read(&info->trusted_touch_underway))
wait_for_completion_interruptible(
&info->trusted_touch_powerdown);
#endif

1
drivers/input/touchscreen/st/fts.h
View file

@ -416,6 +416,7 @@ struct fts_ts_info {
struct clk *core_clk;
struct clk *iface_clk;
atomic_t trusted_touch_initialized;
atomic_t trusted_touch_underway;
atomic_t trusted_touch_enabled;
atomic_t trusted_touch_event;
atomic_t trusted_touch_abort_status;