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input/touchscreen: fixes s2r for gsl3673

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The Android will callback the fb_bank to notice for the early suspend
and late resume. In order to keep using the pm sleep and fb callback way
with this patch.

Change-Id: Ia32ccbede1c6f2b579ad4d21371f2c1774fe4440
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
This commit is contained in:
Caesar Wang
2019-07-11 12:29:05 +08:00
committed by Tao Huang
parent f7fbeb90fd
commit 3f40fb9196
1 changed files with 68 additions and 3 deletions
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71
drivers/input/touchscreen/gsl3673.c
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@@ -201,6 +201,13 @@ struct gsl_ts {
int irq;
int rst;
int flag_irq_is_disable;
/* whether the device is registered, true: registered */
bool flag_activated;
/* whether the device need resume, true: need resume */
bool flag_need_resume;
spinlock_t irq_lock;
struct tp_device tp;
struct work_struct download_fw_work;
@@ -1025,11 +1032,14 @@ error_unreg_device:
return rc;
}
static int __maybe_unused gsl_ts_suspend(struct device *dev)
static int gsl_ts_suspend(struct device *dev)
{
struct gsl_ts *ts = dev_get_drvdata(dev);
int i;
if (!ts->flag_activated)
return 0;
#ifdef GSL_MONITOR
cancel_delayed_work_sync(&gsl_monitor_work);
#endif
@@ -1053,15 +1063,20 @@ static int __maybe_unused gsl_ts_suspend(struct device *dev)
report_data(ts, 1, 1, 10, 1);
input_sync(ts->input);
#endif
ts->flag_activated = false;
return 0;
}
static int __maybe_unused gsl_ts_resume(struct device *dev)
static int gsl_ts_resume(struct device *dev)
{
struct gsl_ts *ts = dev_get_drvdata(dev);
int i;
int rc;
if (ts->flag_activated)
return 0;
gsl3673_shutdown_high();
mdelay(5);
reset_chip(ts->client);
@@ -1086,9 +1101,53 @@ static int __maybe_unused gsl_ts_resume(struct device *dev)
#endif
ts_irq_enable(ts);
ts->flag_activated = true;
return 0;
}
static int __maybe_unused gsl_ts_pm_suspend(struct device *dev)
{
struct gsl_ts *ts = dev_get_drvdata(dev);
int ret;
if (!ts->flag_activated)
return 0;
ret = gsl_ts_suspend(dev);
if (ret < 0)
return ret;
ts->flag_need_resume = true;
return 0;
}
static int __maybe_unused gsl_ts_pm_resume(struct device *dev)
{
struct gsl_ts *ts = dev_get_drvdata(dev);
if (!ts->flag_need_resume)
return 0;
ts->flag_need_resume = false;
return gsl_ts_resume(dev);
}
static int gsl_ts_early_suspend(struct tp_device *tp_d)
{
struct gsl_ts *ts = container_of(tp_d, struct gsl_ts, tp);
return gsl_ts_suspend(&ts->client->dev);
}
static int gsl_ts_late_resume(struct tp_device *tp_d)
{
struct gsl_ts *ts = container_of(tp_d, struct gsl_ts, tp);
return gsl_ts_resume(&ts->client->dev);
}
static void gsl_download_fw_work(struct work_struct *work)
{
struct gsl_ts *ts = container_of(work, struct gsl_ts, download_fw_work);
@@ -1117,6 +1176,8 @@ static int gsl_ts_probe(struct i2c_client *client,
ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);
if (!ts)
return -ENOMEM;
ts->tp.tp_resume = gsl_ts_late_resume;
ts->tp.tp_suspend = gsl_ts_early_suspend;
tp_register_fb(&ts->tp);
ts->client = client;
i2c_set_clientdata(client, ts);
@@ -1155,6 +1216,8 @@ static int gsl_ts_probe(struct i2c_client *client,
proc_create(GSL_CONFIG_PROC_FILE, 0644, NULL, &gsl_seq_fops);
gsl_proc_flag = 0;
#endif
ts->flag_activated = true;
return 0;
error_init_chip_fail:
cancel_work_sync(&ts->download_fw_work);
@@ -1178,7 +1241,9 @@ static int gsl_ts_remove(struct i2c_client *client)
return 0;
}
static SIMPLE_DEV_PM_OPS(gsl_ts_pm, gsl_ts_suspend, gsl_ts_resume);
static const struct dev_pm_ops gsl_ts_pm = {
SET_SYSTEM_SLEEP_PM_OPS(gsl_ts_pm_suspend, gsl_ts_pm_resume)
};
static const struct of_device_id gsl_ts_ids[] = {
{.compatible = "GSL,GSL3673"},