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driver: input: touchscreen: gt9xx: add ebc suspend notify support

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Signed-off-by: Weixin Zhou <zwx@rock-chips.com>
Change-Id: I8ee3be2aec10416d9f742de3e000a915750c23d3
This commit is contained in:
Weixin Zhou
2021-01-11 14:00:31 +08:00
committed by Tao Huang
parent 4f08cb9303
commit ef0b86754e
3 changed files with 35 additions and 7 deletions
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drivers/input/touchscreen/gt9xx/gt9xx.c
+7 -4
View File
@@ -2669,8 +2669,8 @@ static int goodix_ts_probe(struct i2c_client *client, const struct i2c_device_id
} else if (val == 9111) {
m89or101 = FALSE;
bgt9111 = TRUE;
gtp_change_x2y = FALSE;
gtp_x_reverse = TRUE;
gtp_change_x2y = TRUE;
gtp_x_reverse = FALSE;
gtp_y_reverse = FALSE;
} else if (val == 970) {
m89or101 = FALSE;
@@ -2833,7 +2833,11 @@ static int goodix_ts_probe(struct i2c_client *client, const struct i2c_device_id
{
gtp_irq_enable(ts);
}
#ifdef CONFIG_ROCKCHIP_EBC_DEV
enable_irq_wake(ts->irq);
#endif
#if GTP_CREATE_WR_NODE
init_wr_node(client);
#endif
@@ -2845,7 +2849,6 @@ static int goodix_ts_probe(struct i2c_client *client, const struct i2c_device_id
probe_init_error:
printk(" <%s>_%d prob error !!!!!!!!!!!!!!!\n", __func__, __LINE__);
tp_unregister_fb(&ts->tp);
GTP_GPIO_FREE(ts->rst_pin);
GTP_GPIO_FREE(ts->irq_pin);
probe_init_error_requireio:
drivers/input/touchscreen/gt9xx/gt9xx.h
-2
View File
@@ -36,7 +36,6 @@
#include <linux/slab.h>
#include "../tp_suspend.h"
//#include <mach/gpio.h>
//#include <linux/earlysuspend.h>
@@ -153,7 +152,6 @@ struct goodix_ts_data {
u8 is_950;
#endif
struct regulator *tp_regulator;
};
extern u16 show_len;
drivers/input/touchscreen/tp_suspend.h
+28 -1
View File
@@ -13,9 +13,11 @@
#include <linux/err.h>
#include <linux/fb.h>
#include <linux/notifier.h>
#include "../../gpu/drm/rockchip/ebc-dev/ebc_dev.h"
struct tp_device{
struct notifier_block fb_notif;
struct notifier_block ebc_notif;
int(*tp_suspend)(struct tp_device*);
int(*tp_resume)(struct tp_device*);
struct mutex ops_lock;
@@ -68,18 +70,43 @@ static inline int fb_notifier_callback(struct notifier_block *self,
return NOTIFY_OK;
}
static int ebc_notifier_callback(struct notifier_block *self,
unsigned long action, void *data)
{
struct tp_device *tp;
int ret;
tp = container_of(self, struct tp_device, ebc_notif);
mutex_lock(&tp->ops_lock);
if (action == EBC_FB_BLANK)
ret = tp->tp_suspend(tp);
else if (action == EBC_FB_UNBLANK)
tp->tp_resume(tp);
mutex_unlock(&tp->ops_lock);
return NOTIFY_OK;
}
static inline int tp_register_fb(struct tp_device *tp)
{
memset(&tp->fb_notif, 0, sizeof(tp->fb_notif));
tp->fb_notif.notifier_call = fb_notifier_callback;
tp->ebc_notif.notifier_call = ebc_notifier_callback;
mutex_init(&tp->ops_lock);
tp->status = FB_BLANK_UNBLANK;
return fb_register_client(&tp->fb_notif);
ebc_register_notifier(&tp->ebc_notif);
fb_register_client(&tp->fb_notif);
return 0;
}
static inline void tp_unregister_fb(struct tp_device *tp)
{
ebc_unregister_notifier(&tp->ebc_notif);
fb_unregister_client(&tp->fb_notif);
}
#endif