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qti_glink_charger: Add wls input current limit for thermal

Browse source 
Add wireless_input_current_limit sysfs node
for thermal mititagion
/sys/class/power_supply/wireless/device/wls_input_current_limit

Change-Id: Id16344fd882d35e6cae1da3647ee53300898b69d
Signed-off-by: xuwt2 <xuwt2@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2134720
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
xuwt2 2021-12-03 19:50:44 +08:00 • committed by Wentao Xu
commit 1002584fa4
1 changed files with 74 additions and 2 deletions
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76
drivers/power/qti_glink_charger/qti_glink_charger.c
View file

@ -163,6 +163,7 @@ struct qti_charger {
struct fod_gain rx_fod_gain;
u32 tx_mode;
bool *debug_enabled;
u32 wls_curr_max;
};
static struct qti_charger *this_chip = NULL;
@ -1378,6 +1379,48 @@ static DEVICE_ATTR(rx_connected, S_IRUGO,
rx_connected_show,
NULL);
static ssize_t wls_input_current_limit_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long r;
unsigned long wls_curr_max;
struct qti_charger *chg = this_chip;
if (!chg) {
pr_err("QTI: chip not valid\n");
return -ENODEV;
}
r = kstrtoul(buf, 0, &wls_curr_max);
if (r) {
mmi_err(chg, "Invalid TCMD = %lu\n", wls_curr_max);
return -EINVAL;
}
r = qti_charger_write(chg, OEM_PROP_WLS_CURR_MAX,
&wls_curr_max,
sizeof(wls_curr_max));
chg->wls_curr_max = wls_curr_max;
return r ? r : count;
}
static ssize_t wls_input_current_limit_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct qti_charger *chg = this_chip;
if (!chg) {
pr_err("QTI: chip not valid\n");
return -ENODEV;
}
return scnprintf(buf, CHG_SHOW_MAX_SIZE, "%d\n", chg->wls_curr_max);
}
static DEVICE_ATTR(wls_input_current_limit, S_IRUGO|S_IWUSR, wls_input_current_limit_show, wls_input_current_limit_store);
static void wireless_psy_init(struct qti_charger *chg)
{
int rc;
@ -1395,11 +1438,38 @@ static void wireless_psy_init(struct qti_charger *chg)
rc = device_create_file(chg->wls_psy->dev.parent,
&dev_attr_tx_mode);
if (rc)
pr_err("couldn't create pen control\n");
pr_err("couldn't create wireless tx mode\n");
rc = device_create_file(chg->wls_psy->dev.parent,
&dev_attr_rx_connected);
if (rc)
pr_err("couldn't create wireless sysfs node error\n");
pr_err("couldn't create wireless rx_connected\n");
rc = device_create_file(chg->wls_psy->dev.parent,
&dev_attr_wls_input_current_limit);
if (rc)
pr_err("couldn't create wireless input current limit error\n");
}
static void wireless_psy_deinit(struct qti_charger *chg)
{
if (!chg->wls_psy)
return;
chg->wls_psy = power_supply_get_by_name("wireless");
if (!chg->wls_psy) {
pr_err("No pen power supply found\n");
return;
}
device_remove_file(chg->wls_psy->dev.parent,
&dev_attr_tx_mode);
device_remove_file(chg->wls_psy->dev.parent,
&dev_attr_rx_connected);
device_remove_file(chg->wls_psy->dev.parent,
&dev_attr_wls_input_current_limit);
}
static int qti_charger_init(struct qti_charger *chg)
@ -1565,6 +1635,8 @@ static void qti_charger_deinit(struct qti_charger *chg)
device_remove_file(chg->dev, &dev_attr_data);
wireless_psy_deinit(chg);
/* unregister driver from mmi charger */
rc = mmi_unregister_charger_driver(chg->driver);
if (rc) {