A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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dlkm: aw8624: fixed abnormal vibrator issue

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In some scenario, vibrator may can not stop immediately
because stop command was returned. use 5ms delay
to replace it and make sure short vibrator can work well.

Change-Id: I82720f0d031c7306e1b5f806aa5a380ccccb8eec
Signed-off-by: Weilong Wu <wuwl10@motorola.com>
Reviewed-on: https://gerrit.mot.com/1436810
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Hujun Liao <liaohj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Weilong Wu 2019-10-15 15:08:36 +08:00
commit 499088dfa7
1 changed files with 3 additions and 1 deletions
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4
drivers/misc/awinic/aw8624/aw8624.c
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@ -1550,6 +1550,7 @@ static ssize_t aw8624_duration_store(struct device *dev,
if (rc < 0)
return rc;
pr_debug("%s: value=%d\n", __FUNCTION__, val);
/* setting 0 on duration is NOP for now */
if (val <= 0)
return count;
@ -1590,7 +1591,8 @@ static ssize_t aw8624_activate_store(struct device *dev,
pr_debug("%s: value=%d\n", __FUNCTION__, val);
if (val == 0)
return count;
msleep(5);
mutex_lock(&aw8624->lock);
hrtimer_cancel(&aw8624->timer);
aw8624->state = val;