diff mbox series

[RESEND,v2,2/2] Doc: ABI: add usb charger uevent

Message ID 1575342235-14791-2-git-send-email-peter.chen@nxp.com (mailing list archive)
State Superseded
Headers show
Series [RESEND,v2,1/2] usb: phy: show USB charger type for user | expand

Commit Message

Peter Chen Dec. 3, 2019, 3:03 a.m. UTC 
When the USB charger is inserted or removed, the users could get
USB charger state and type through the uevent.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
---
 Documentation/ABI/testing/usb-charger-uevent | 45 ++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/ABI/testing/usb-charger-uevent

Comments

Greg KH Dec. 3, 2019, 6:47 a.m. UTC | #1 
On Tue, Dec 03, 2019 at 11:03:55AM +0800, Peter Chen wrote:
> When the USB charger is inserted or removed, the users could get
> USB charger state and type through the uevent.
> 
> Signed-off-by: Peter Chen <peter.chen@nxp.com>
> ---
>  Documentation/ABI/testing/usb-charger-uevent | 45 ++++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/ABI/testing/usb-charger-uevent
> 
> diff --git a/Documentation/ABI/testing/usb-charger-uevent b/Documentation/ABI/testing/usb-charger-uevent
> new file mode 100644
> index 000000000000..93ffd3a54a7f
> --- /dev/null
> +++ b/Documentation/ABI/testing/usb-charger-uevent
> @@ -0,0 +1,45 @@
> +What:		Raise a uevent when a USB charger is inserted or removed
> +Date:		2019-11-11
> +KernelVersion:	5.5

No new features for 5.5, this would be 5.6, right?

thanks,

greg k-h
Peter Chen Dec. 3, 2019, 7 a.m. UTC | #2 
> > diff --git a/Documentation/ABI/testing/usb-charger-uevent
> > b/Documentation/ABI/testing/usb-charger-uevent
> > new file mode 100644
> > index 000000000000..93ffd3a54a7f
> > --- /dev/null
> > +++ b/Documentation/ABI/testing/usb-charger-uevent
> > @@ -0,0 +1,45 @@
> > +What:		Raise a uevent when a USB charger is inserted or removed
> > +Date:		2019-11-11
> > +KernelVersion:	5.5
> 
> No new features for 5.5, this would be 5.6, right?
> 

Yes, thanks.

Peter
diff mbox series

Patch

diff --git a/Documentation/ABI/testing/usb-charger-uevent b/Documentation/ABI/testing/usb-charger-uevent
new file mode 100644
index 000000000000..93ffd3a54a7f
--- /dev/null
+++ b/Documentation/ABI/testing/usb-charger-uevent
@@ -0,0 +1,45 @@ 
+What:		Raise a uevent when a USB charger is inserted or removed
+Date:		2019-11-11
+KernelVersion:	5.5
+Contact:	linux-usb@vger.kernel.org
+Description:	There are two USB charger states:
+		USB_CHARGER_ABSENT
+		USB_CHARGER_PRESENT
+		There are five USB charger types:
+		USB_CHARGER_UNKNOWN_TYPE
+		USB_CHARGER_SDP_TYPE
+		USB_CHARGER_CDP_TYPE
+		USB_CHARGER_DCP_TYPE
+		USB_CHARGER_ACA_TYPE
+
+		Here are two examples taken using udevadm monitor -p when
+		USB charger is online:
+		UDEV  [227.425096] change   /devices/soc0/usbphynop1 (platform)
+		ACTION=change
+		DEVPATH=/devices/soc0/usbphynop1
+		DRIVER=usb_phy_generic
+		MODALIAS=of:Nusbphynop1T(null)Cusb-nop-xceiv
+		OF_COMPATIBLE_0=usb-nop-xceiv
+		OF_COMPATIBLE_N=1
+		OF_FULLNAME=/usbphynop1
+		OF_NAME=usbphynop1
+		SEQNUM=2493
+		SUBSYSTEM=platform
+		USB_CHARGER_STATE=USB_CHARGER_PRESENT
+		USB_CHARGER_TYPE=USB_CHARGER_SDP_TYPE
+		USEC_INITIALIZED=227422826
+
+		USB charger is offline:
+		KERNEL[229.533933] change   /devices/soc0/usbphynop1 (platform)
+		ACTION=change
+		DEVPATH=/devices/soc0/usbphynop1
+		DRIVER=usb_phy_generic
+		MODALIAS=of:Nusbphynop1T(null)Cusb-nop-xceiv
+		OF_COMPATIBLE_0=usb-nop-xceiv
+		OF_COMPATIBLE_N=1
+		OF_FULLNAME=/usbphynop1
+		OF_NAME=usbphynop1
+		SEQNUM=2494
+		SUBSYSTEM=platform
+		USB_CHARGER_STATE=USB_CHARGER_ABSENT
+		USB_CHARGER_TYPE=USB_CHARGER_UNKNOWN_TYPE