A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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dlkm:optimise report function for pen

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revert https://gerrit.mot.com/#/c/2409191/
above submit that cause pen didn't work
optimise report function for kernel panic
add NULL judge

Change-Id: I4ce63ced28120c9b6d22fbdf5a84af2d858ac1b4
Signed-off-by: chenlj2 <chenlj2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2409699
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 18:57:06 +08:00 • committed by Lijun Chen
commit 624b2f87e5
1 changed files with 7 additions and 3 deletions
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10
drivers/misc/pen/bu520xx_pen.c
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@ -297,8 +297,8 @@ 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);
if (!hall_sensor_dev) {
pen_info("[%s] hall_sensor_dev isn't init.\n", DRIVER_NAME);
return;
}
initial_status = hall_sensor_dev->status;
@ -321,6 +321,10 @@ static void pen_report_function(struct work_struct *dat)
return;
}
if (!hall_sensor_dev->pen_indev) {
pen_info("[%s] pen_indev isn't ready,don't report.\n", DRIVER_NAME);
return;
}
input_report_switch(hall_sensor_dev->pen_indev, SW_PEN_INSERTED, !hall_sensor_dev->status);
input_sync(hall_sensor_dev->pen_indev);
#ifdef CONFIG_HAS_WAKELOCK
@ -426,7 +430,7 @@ static int bu520xx_pen_probe(struct platform_device *pdev)
}
spin_lock_init(&hall_sensor_dev->mHallSensorLock);
hall_sensor_dev->enable = 0;
hall_sensor_dev->enable = 1;
//set gpio
hall_sensor_dev->gpio = of_get_named_gpio_flags(np,