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 2026-10-10 22:40:54 -04:00
Code Issues Projects Releases Packages Wiki Activity

power: smb5-lib: Add sysfs entry to enable/disable moisture detection

Browse source 
Android userspace HAL expects an interface to dynamically
enable/disable moisture detection, add support for
same via the iio interface.

Change-Id: I8fb48807fb368ff78220623aaaee9f4877d1b918
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>
This commit is contained in:
Kavya Nunna 2021-02-12 13:41:47 +05:30
commit 302c067e40
4 changed files with 54 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/power/supply/qcom/smb5-iio.c
View file

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
*/
#include <linux/delay.h>
@ -99,6 +99,9 @@ int smb5_iio_get_prop(struct smb_charger *chg, int channel, int *val)
case PSY_IIO_MOISTURE_DETECTED:
*val = chg->moisture_present;
break;
case PSY_IIO_MOISTURE_DETECTION_EN:
*val = !chg->lpd_disabled;
break;
case PSY_IIO_HVDCP_OPTI_ALLOWED:
*val = !chg->flash_active;
break;
@ -349,6 +352,9 @@ int smb5_iio_set_prop(struct smb_charger *chg, int channel, int val)
chg->apsd_ext_timeout = false;
smblib_rerun_apsd(chg);
break;
case PSY_IIO_MOISTURE_DETECTION_EN:
smblib_moisture_detection_enable(chg, val);
break;
/* MAIN */
case PSY_IIO_FLASH_ACTIVE:
if ((chg->chg_param.smb_version == PMI632)

3
drivers/power/supply/qcom/smb5-iio.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
*/
#ifndef __SMB5_IIO_H
@ -151,6 +151,7 @@ static const struct smb5_iio_prop_channels smb5_chans_pmic[] = {
SMB5_CHAN_INDEX("usb_smb_en_reason", SMB_EN_REASON)
SMB5_CHAN_INDEX("usb_adapter_cc_mode", ADAPTER_CC_MODE)
SMB5_CHAN_INDEX("usb_moisture_detected", MOISTURE_DETECTED)
SMB5_CHAN_INDEX("usb_moisture_detection_en", MOISTURE_DETECTION_EN)
SMB5_CHAN_INDEX("usb_hvdcp_opti_allowed", HVDCP_OPTI_ALLOWED)
SMB5_CHAN_ACTIVITY("usb_qc_opti_disable", QC_OPTI_DISABLE)
SMB5_CHAN_VOLT("usb_voltage_vph", VOLTAGE_VPH)

45
drivers/power/supply/qcom/smb5-lib.c
View file

@ -7958,6 +7958,49 @@ out:
chg->jeita_configured = JEITA_CFG_FAILURE;
}
void smblib_moisture_detection_enable(struct smb_charger *chg, int pval)
{
int rc, input_present, val;
if (chg->pd_disabled)
return;
smblib_is_input_present(chg, &input_present);
if (pval) {
chg->lpd_disabled = false;
pr_debug("Moisture detection enabled\n");
if (input_present)
schedule_delayed_work(&chg->lpd_ra_open_work,
msecs_to_jiffies(300));
return;
}
chg->lpd_disabled = true;
if (!is_client_vote_enabled(chg->usb_icl_votable, LPD_VOTER))
goto done;
cancel_delayed_work_sync(&chg->lpd_ra_open_work);
alarm_cancel(&chg->lpd_recheck_timer);
vote(chg->usb_icl_votable, LPD_VOTER, false, 0);
/* restore DRP mode */
val = QTI_POWER_SUPPLY_TYPEC_PR_DUAL;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0) {
smblib_err(chg, "Failed to set power-role to DRP rc=%d\n",
rc);
return;
}
chg->lpd_reason = LPD_NONE;
chg->lpd_stage = LPD_STAGE_NONE;
done:
pr_debug("Moisture detection disabled\n");
}
static void smblib_lpd_ra_open_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
@ -7965,7 +8008,7 @@ static void smblib_lpd_ra_open_work(struct work_struct *work)
u8 stat;
int rc, val;
if (chg->pr_swap_in_progress || chg->pd_hard_reset) {
if (chg->pr_swap_in_progress || chg->pd_hard_reset || chg->lpd_disabled) {
chg->lpd_stage = LPD_STAGE_NONE;
goto out;
}

1
drivers/power/supply/qcom/smb5-lib.h
View file

@ -844,4 +844,5 @@ int smblib_get_prop_voltage_wls_output(struct smb_charger *chg,
int smblib_get_prop_dc_voltage_now(struct smb_charger *chg,
union power_supply_propval *val);
void smblib_moisture_detection_enable(struct smb_charger *chg, int pval);
#endif /* __SMB5_CHARGER_H */