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Date: Tue, 25 Aug 2020 14:37:57 +0800 From: Qiwu Huang <yanziily@...il.com> To: sre@...nel.org Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org, Qiwu Huang <huangqiwu@...omi.com> Subject: [PATCH v9 2/4] power: supply: core: add wireless charger adapter type property From: Qiwu Huang <huangqiwu@...omi.com> Reports what type of wireless adapter connection is currently active for the supply. for example it can show if ADAPTER_PD capable source is attached. Signed-off-by: Qiwu Huang <huangqiwu@...omi.com> --- Documentation/ABI/testing/sysfs-class-power | 28 +++++++++++++++++++++ drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 19 ++++++++++++++ 3 files changed, 48 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index dd3773dcf16a..03ab449fae8a 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -729,3 +729,31 @@ Contact: Fei Jiang <jiangfei1@...omi.com> 3: QUICK_CHARGE_TURBE, 4: QUICK_CHARGE_SUPER. +===== Wireless Charger Properties ===== +What: /sys/class/power_supply/<supply_name>/tx_adapter +Date: Jul 2020 +Contact: Fei Jiang <jiangfei1@...omi.com> +Description: + Reports the type of wireless adapter connection is currently active for + the supply, for example it can show if ADAPTER_PD capable source + is attached. Expect common wireless adapter type, also increase by + some vendor private adapter type(ex. ADAPTER_PD_40W). + + Access: Read-Only + Valid values: + 0: ADAPTER_NONE, + 1: ADAPTER_SDP, + 2: ADAPTER_DCP, + 3: ADAPTER_CDP, + 4: ADAPTER_OCP, + 5: ADAPTER_QC2, + 6: ADAPTER_QC3, + 7: ADAPTER_PD, + 8: ADAPTER_AUTH_FAILED, + 9: ADAPTER_PRIVATE_QC3, + 10: ADAPTER_PRIVATE_PD, + 11: ADAPTER_CAR_POWER, + 12: ADAPTER_PRIVATE_PD_40W, + 13: ADAPTER_VOICE_BOX, + 14: ADAPTER_PRIVATE_PD_50W. + diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index 9554d7907373..f2458e21d02b 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -207,6 +207,7 @@ static struct power_supply_attr power_supply_attrs[] = { POWER_SUPPLY_ATTR(MANUFACTURER), POWER_SUPPLY_ATTR(SERIAL_NUMBER), POWER_SUPPLY_ATTR(QUICK_CHARGE_TYPE), + POWER_SUPPLY_ATTR(TX_ADAPTER), }; static struct attribute * diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index bd99658c05be..00254e096a4a 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -168,6 +168,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_MANUFACTURER, POWER_SUPPLY_PROP_SERIAL_NUMBER, POWER_SUPPLY_PROP_QUICK_CHARGE_TYPE, + POWER_SUPPLY_PROP_TX_ADAPTER, }; enum power_supply_type { @@ -211,6 +212,24 @@ enum power_supply_quick_charge_type { QUICK_CHARGE_MAX, }; +enum power_supply_tx_adapter_type { + ADAPTER_NONE = 0, /* Nothing Attached */ + ADAPTER_SDP, /* Standard Downstream Port */ + ADAPTER_CDP, /* Charging Downstream Port */ + ADAPTER_DCP, /* Dedicated Charging Port */ + ADAPTER_OCP, /* Other Charging Port */ + ADAPTER_QC2, /* Qualcomm Charge 2.0 */ + ADAPTER_QC3, /* Qualcomm Charge 3.0 */ + ADAPTER_PD, /* Power Delivery Port */ + ADAPTER_AUTH_FAILED, /* Authenticated Failed Adapter */ + ADAPTER_PRIVATE_QC3, /* Qualcomm Charge 3.0 with Private Protocol */ + ADAPTER_PRIVATE_PD, /* PD Adapter with Private Protocol */ + ADAPTER_CAR_POWER, /* Wireless Car Charger */ + ADAPTER_PRIVATE_PD_40W, /* 40W PD Adapter with Private Protocol */ + ADAPTER_VOICE_BOX, /* Voice Box which Support Wireless Charger */ + ADAPTER_PRIVATE_PD_50W, /* 50W PD Adapter with Private Protocol */ +}; + enum power_supply_notifier_events { PSY_EVENT_PROP_CHANGED, }; -- 2.28.0
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