A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Fingerprint timing sequence error

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When fingerprint module power-on control reset to up level, cancel
delay.

Change-Id: I3e55c19ea12eb6be31fd97ce889079b060065e73
Signed-off-by: Chunyu Fan <fancy3@motorola.com>
Reviewed-on: https://gerrit.mot.com/2410817
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Chunyu Fan 2022-10-21 14:28:33 +08:00 • committed by fancy3
commit 129ec7d7e9
1 changed files with 6 additions and 2 deletions
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8
drivers/input/misc/fpc_fps_mmi/fpc1020_tee.c
View file

@ -150,7 +150,9 @@ static int fpc1020_power_on(struct fpc1020_data *fpc1020)
}
fpc1020->power_enabled = 1;
if(fpc1020->rgltr_ctrl_support ||gpio_is_valid(fpc1020->pwr_gpio)){
usleep_range(11000,12000);
if (!of_property_read_bool(fpc1020->dev->of_node, "delay-ctrl-support")) {
usleep_range(11000,12000);
}
}
}
return rc;
@ -501,7 +503,9 @@ static int fpc1020_probe(struct platform_device *pdev)
fpc1020->rst_gpio = -EINVAL;
if (gpio_is_valid(fpc1020->rst_gpio)) {
usleep_range(RESET_LOW_SLEEP_MIN_US, RESET_LOW_SLEEP_MAX_US);
if (!of_property_read_bool(np, "delay-ctrl-support")) {
usleep_range(RESET_LOW_SLEEP_MIN_US, RESET_LOW_SLEEP_MAX_US);
}
rc = gpio_direction_output(fpc1020->rst_gpio, 1);
if (rc) {
dev_err(dev, "cannot set reset pin direction\n");