diff options
Diffstat (limited to 'drivers/power/supply/power_supply_sysfs.c')
| -rw-r--r-- | drivers/power/supply/power_supply_sysfs.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index 5204f115970f..1350068c401a 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -46,6 +46,11 @@ static const char * const power_supply_type_text[] = { "USB_PD", "USB_PD_DRP", "BrickID" }; +static const char * const power_supply_usb_type_text[] = { + "Unknown", "SDP", "DCP", "CDP", "ACA", "C", + "PD", "PD_DRP", "PD_PPS", "BrickID" +}; + static const char * const power_supply_status_text[] = { "Unknown", "Charging", "Discharging", "Not charging", "Full" }; @@ -73,6 +78,41 @@ static const char * const power_supply_scope_text[] = { "Unknown", "System", "Device" }; +static ssize_t power_supply_show_usb_type(struct device *dev, + enum power_supply_usb_type *usb_types, + ssize_t num_usb_types, + union power_supply_propval *value, + char *buf) +{ + enum power_supply_usb_type usb_type; + ssize_t count = 0; + bool match = false; + int i; + + for (i = 0; i < num_usb_types; ++i) { + usb_type = usb_types[i]; + + if (value->intval == usb_type) { + count += sprintf(buf + count, "[%s] ", + power_supply_usb_type_text[usb_type]); + match = true; + } else { + count += sprintf(buf + count, "%s ", + power_supply_usb_type_text[usb_type]); + } + } + + if (!match) { + dev_warn(dev, "driver reporting unsupported connected type\n"); + return -EINVAL; + } + + if (count) + buf[count - 1] = '\n'; + + return count; +} + static ssize_t power_supply_show_property(struct device *dev, struct device_attribute *attr, char *buf) { @@ -115,6 +155,10 @@ static ssize_t power_supply_show_property(struct device *dev, else if (off == POWER_SUPPLY_PROP_TYPE) return sprintf(buf, "%s\n", power_supply_type_text[value.intval]); + else if (off == POWER_SUPPLY_PROP_USB_TYPE) + return power_supply_show_usb_type(dev, psy->desc->usb_types, + psy->desc->num_usb_types, + &value, buf); else if (off == POWER_SUPPLY_PROP_SCOPE) return sprintf(buf, "%s\n", power_supply_scope_text[value.intval]); @@ -241,6 +285,7 @@ static struct device_attribute power_supply_attrs[] = { POWER_SUPPLY_ATTR(time_to_full_now), POWER_SUPPLY_ATTR(time_to_full_avg), POWER_SUPPLY_ATTR(type), + POWER_SUPPLY_ATTR(usb_type), POWER_SUPPLY_ATTR(scope), POWER_SUPPLY_ATTR(precharge_current), POWER_SUPPLY_ATTR(charge_term_current), |