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input: touchscreen: gsl3673_800x1280: change input io(sda/int) voltage 1.8v.

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Change-Id: Ie39dc83ab67bfbccaf01bb2ebc5c0fe27a32d09c
Signed-off-by: Wangqiang Guo <kay.guo@rock-chips.com>
This commit is contained in:
Wangqiang Guo
2023-01-13 09:40:02 +00:00
committed by Tao Huang
parent 8b40685086
commit 6ad4e59284
1 changed files with 47 additions and 8 deletions
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55
drivers/input/touchscreen/gsl3673_800x1280.c
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@@ -28,6 +28,7 @@
#include "tp_suspend.h"
#include <linux/of_gpio.h>
#define GSL_DEBUG 0
#define GSL9XX_VDDIO_1800
#define TP2680A_ID 0x88
#define TP2680B_ID 0x82
@@ -207,6 +208,7 @@ struct gsl_ts {
struct tp_device tp;
struct work_struct download_fw_work;
struct work_struct resume_work;
struct delayed_work delayed_work_init;
};
#if GSL_DEBUG
@@ -401,6 +403,29 @@ static int test_i2c(struct i2c_client *client)
return rc;
}
static void gsl_io_control(struct i2c_client *client)
{
#ifdef GSL9XX_VDDIO_1800
u8 buf[4] = {0};
int i;
for (i = 0; i < 5; i++) {
buf[0] = 0;
buf[1] = 0;
buf[2] = 0xfe;
buf[3] = 0x1;
gsl_ts_write(client, 0xf0, buf, 4);
buf[0] = 0x5;
buf[1] = 0;
buf[2] = 0;
buf[3] = 0x80;
gsl_ts_write(client, 0x78, buf, 4);
usleep_range(5*1000, 5*1100);
}
usleep_range(50*1000, 50*1100);
#endif
}
static void startup_chip(struct i2c_client *client)
{
u8 tmp = 0x00;
@@ -410,6 +435,7 @@ static void startup_chip(struct i2c_client *client)
#endif
gsl_ts_write(client, 0xe0, &tmp, 1);
mdelay(5);
gsl_io_control(client);
}
static void reset_chip(struct i2c_client *client)
@@ -462,6 +488,20 @@ static int init_chip(struct i2c_client *client)
return 0;
}
static void gsl_delayed_work_init(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct gsl_ts *gsl3673_ts = container_of(dwork, struct gsl_ts,
delayed_work_init);
int rc;
rc = init_chip(gsl3673_ts->client);
if (rc < 0) {
dev_err(&gsl3673_ts->client->dev, "gsl_probe: init_chip failed\n");
cancel_work_sync(&gsl3673_ts->download_fw_work);
}
}
static int check_mem_data(struct i2c_client *client)
{
u8 read_buf[4] = {0};
@@ -1159,20 +1199,19 @@ static int gsl_ts_probe(struct i2c_client *client,
#endif
INIT_WORK(&ts->download_fw_work, gsl_download_fw_work);
INIT_WORK(&ts->resume_work, gsl_resume_work);
INIT_DELAYED_WORK(&ts->delayed_work_init, gsl_delayed_work_init);
rc = init_chip(ts->client);
if (rc < 0) {
dev_err(&client->dev, "gsl_probe: init_chip failed\n");
goto error_init_chip_fail;
}
spin_lock_init(&ts->irq_lock);
client->irq = gpio_to_irq(ts->irq);
rc = devm_request_irq(&client->dev, client->irq, gsl_ts_irq,
IRQF_TRIGGER_RISING, client->name, ts);
if (rc < 0) {
dev_err(&client->dev, "gsl_probe: request irq failed\n");
return rc;
goto error_mutex_destroy;
}
schedule_delayed_work(&ts->delayed_work_init,
msecs_to_jiffies(800));
#ifdef GSL_MONITOR
INIT_DELAYED_WORK(&gsl_monitor_work, gsl_monitor_worker);
gsl_monitor_workqueue = create_singlethread_workqueue
@@ -1184,8 +1223,6 @@ static int gsl_ts_probe(struct i2c_client *client,
gsl_proc_flag = 0;
#endif
return 0;
error_init_chip_fail:
cancel_work_sync(&ts->download_fw_work);
error_mutex_destroy:
tp_unregister_fb(&ts->tp);
return rc;
@@ -1199,9 +1236,11 @@ static int gsl_ts_remove(struct i2c_client *client)
cancel_delayed_work_sync(&gsl_monitor_work);
destroy_workqueue(gsl_monitor_workqueue);
#endif
tp_unregister_fb(&ts->tp);
device_init_wakeup(&client->dev, 0);
cancel_work_sync(&ts->work);
destroy_workqueue(ts->wq);
cancel_delayed_work_sync(&ts->delayed_work_init);
cancel_work_sync(&ts->download_fw_work);
return 0;
}