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Commit e1258ce1 authored by Elson Roy Serrao's avatar Elson Roy Serrao
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usb: gadget: Allow up to 900mA current draw for SuperSpeed 



Currently 500mA is used as max allowable current to draw over
USB VBUS. However in SuperSpeed a gadget may draw up to 900mA
Update the CONFIG_USB_GADGET_VBUS_DRAW's allowable range to
be up to 900.

Change-Id: I781308065b30b260437f7b3180e276f6a657f504
Signed-off-by: default avatarElson Roy Serrao <eserrao@codeaurora.org>
parent dabe1619

drivers/usb/gadget/Kconfig

+5 −3
Original line number Diff line number Diff line
@@ -97,8 +97,8 @@ config USB_GADGET_DEBUG_FS 
	   to conserve kernel memory, say "N".



config USB_GADGET_VBUS_DRAW

	int "Maximum VBUS Power usage (2-500 mA)"

	range 2 500

	int "Maximum VBUS Power usage (2-900 mA)"

	range 2 900

	default 2

	help

	   Some devices need to draw power from USB when they are
@@ -107,7 +107,9 @@ config USB_GADGET_VBUS_DRAW 
	   such as an AC adapter or batteries.



	   Enter the maximum power your device draws through USB, in

	   milliAmperes.  The permitted range of values is 2 - 500 mA;

	   milliAmperes.  The permitted range of values depends on the

	   connected speed: for SuperSpeed and up it is 2 - 900 mA, but

	   connections at High Speed or slower will be capped at 500 mA;

	   0 mA would be legal, but can make some hosts misbehave.



	   This value will be used except for system-specific gadget