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hall: i2c-hid: When the Hall sensor cover is triggered, the keyboard and touchpad functions are disabled to prevent accidental triggering of the keyboard and touchpad causing system wake-up.

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This commit is contained in:
lin_jiayong
2024-04-03 14:51:47 +08:00
committed by Han Gao
parent e918e0cca4
commit ebfc038d19
2 changed files with 30 additions and 5 deletions
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18
drivers/hid/i2c-hid/i2c-hid-core.c
View File

@@ -66,6 +66,10 @@ static bool debug;
module_param(debug, bool, 0444);
MODULE_PARM_DESC(debug, "print a lot of debug information");
#ifdef CONFIG_HS_MH248
extern bool get_hall_status(void);
#endif
#define i2c_hid_dbg(ihid, fmt, arg...) \
do { \
if (debug) \
@@ -1235,6 +1239,7 @@ static int i2c_hid_suspend(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct i2c_hid *ihid = i2c_get_clientdata(client);
struct hid_device *hid = ihid->hid;
bool hall_open = true;
int ret;
int wake_status;
@@ -1247,8 +1252,6 @@ static int i2c_hid_suspend(struct device *dev)
/* Save some power */
i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
// disable_irq(client->irq);
if (device_may_wakeup(&client->dev)) {
wake_status = enable_irq_wake(client->irq);
if (!wake_status)
@@ -1258,9 +1261,16 @@ static int i2c_hid_suspend(struct device *dev)
wake_status);
} else {
regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
ihid->pdata.supplies);
}
#ifdef CONFIG_HS_MH248
hall_open = get_hall_status();
#endif
if(!hall_open) {
disable_irq(client->irq);
}
return 0;
}
@@ -1289,7 +1299,7 @@ static int i2c_hid_resume(struct device *dev)
wake_status);
}
// enable_irq(client->irq);
enable_irq(client->irq);
/* Instead of resetting device, simply powers the device on. This
* solves "incomplete reports" on Raydium devices 2386:3118 and

17
drivers/input/hall/mh248.c
View File

@@ -31,11 +31,23 @@ struct mh248_para {
struct notifier_block fb_notif;
struct mutex ops_lock;
struct input_dev *hall_input;
bool is_open;
int is_suspend;
int gpio_pin;
int irq;
int active_value;
};
struct mh248_para *g_mh248;
bool get_hall_status(void)
{
if(g_mh248) {
return g_mh248->is_open;
} else {
return true;
}
};
EXPORT_SYMBOL(get_hall_status);
static int hall_fb_notifier_callback(struct notifier_block *self,
unsigned long action, void *data)
@@ -72,12 +84,14 @@ static irqreturn_t hall_mh248_interrupt(int irq, void *dev_id)
//input_report_key(mh248->hall_input, KEY_SLEEP, 1);
//input_sync(mh248->hall_input);
//input_report_key(mh248->hall_input, KEY_SLEEP, 0);
mh248->is_open = false;
input_report_switch(mh248->hall_input, SW_LID, 1);
input_sync(mh248->hall_input);
} else if ((gpio_value == mh248->active_value) ) {
//input_report_key(mh248->hall_input, KEY_WAKEUP, 1);
//input_sync(mh248->hall_input);
//input_report_key(mh248->hall_input, KEY_WAKEUP, 0);
mh248->is_open = true;
input_report_switch(mh248->hall_input, SW_LID, 0);
input_sync(mh248->hall_input);
}
@@ -97,8 +111,9 @@ static int hall_mh248_probe(struct platform_device *pdev)
if (!mh248)
return -ENOMEM;
g_mh248 = mh248;
mh248->dev = &pdev->dev;
mh248->is_open = true;
mh248->gpio_pin = of_get_named_gpio_flags(np, "irq-gpio",
0, &irq_flags);
if (!gpio_is_valid(mh248->gpio_pin)) {