android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pwm: pwm-qti-lpg: Disable PWM output during probe

Browse Source 
Currently, LED breath mode will not run if breath mode is the first LED
operation. Disable the PWM output so that when the breath mode request
comes from TRI_LED driver, it would be processed properly.

Change-Id: I4a6e40e9244890bca359ba4ae706ac3fca8b1331
Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>
This commit is contained in:
Anjelique Melendez 2023-05-22 14:12:09 -07:00
parent 9f7f9a0412
commit 35b2a64a03
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/pwm/pwm-qti-lpg.c
View File

@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2021-2023, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
@ -2038,6 +2038,14 @@ static int qpnp_lpg_probe(struct platform_device *pdev)
for (i = 0; i < chip->num_lpgs; i++) {
lpg = &chip->lpgs[i];
lpg->output_type = PWM_OUTPUT_FIXED;
rc = qpnp_lpg_pwm_src_enable(lpg, false);
if (rc < 0) {
dev_err(chip->dev, "Disable PWM output failed for channel %d, rc=%d\n",
lpg->lpg_idx, rc);
return rc;
}
if (lpg->enable_pfm) {
rc = qpnp_lpg_write(lpg, REG_PWM_FM_MODE,
FM_MODE_ENABLE);