A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-09 13:49:24 -04:00
Code Issues Projects Releases Packages Wiki Activity

sec_mmi: add delay if power supply off

Browse source 
To meet IC power on sequence, if IC power is not always on, need to wait
for 70ms before checking IC status. If no delay added, I2C communication
may fail sometimes. This is copied from sec_ts_probe.

Change-Id: I85b3a8a2b444ea2e3e77a60e2fcc45c8b976bc6c
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1489000
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2020-01-28 13:39:56 +08:00 • committed by Jialei Hao
commit a3810fae2e
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/input/touchscreen/sec_mmi/sec_ts_mmi_class.c
View file

@ -672,6 +672,9 @@ static int sec_mmi_wait_for_ready(struct device *dev) {
return -ENODEV;
}
if (!ts->plat_data->regulator_boot_on)
sec_ts_delay(70);
return sec_ts_wait_for_ready(ts, SEC_TS_ACK_BOOT_COMPLETE);
}