A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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dlkm:optimise pen probe & report function

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need report pen status after pen is enable
solve kernel panic issue when phone startup sometimes

Change-Id: I8ea796fc71ccdb5853e10e600e2093c9ee3fa3ab
Signed-off-by: chenlj2 <chenlj2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2409191
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqiu Huang <huangjq9@motorola.com>
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
chenlj2 2022-10-20 13:50:04 +08:00 • committed by Lijun Chen
commit 037d1964af
1 changed files with 5 additions and 1 deletions
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6
drivers/misc/pen/bu520xx_pen.c
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@ -297,6 +297,10 @@ static void pen_report_function(struct work_struct *dat)
int counter, status = 0, initial_status;
pen_dbg_func_in();
if (!hall_sensor_dev->enable) {
pen_info("[%s] pen isn't enable,don't report.\n", DRIVER_NAME);
return;
}
initial_status = hall_sensor_dev->status;
for (counter = 0;counter < 3;counter++){
msleep(50);
@ -422,7 +426,7 @@ static int bu520xx_pen_probe(struct platform_device *pdev)
}
spin_lock_init(&hall_sensor_dev->mHallSensorLock);
hall_sensor_dev->enable = 1;
hall_sensor_dev->enable = 0;
//set gpio
hall_sensor_dev->gpio = of_get_named_gpio_flags(np,