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| author |   Bastien Nocera <hadess@hadess.net> | 2019-10-16 11:39:33 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-12 11:01:55 -0800 |
| commit | 249fa8217b846a7c031b997bd4ea70d65d3ff774 (patch) | |
| tree | 0b6366f88a16c1b27e2b3c9e4d0fdee4f65f07a4 /drivers/usb/misc/Kconfig | |
| parent | USB: Fallback to generic driver when specific driver fails (diff) | |
| download | linux-dev-249fa8217b846a7c031b997bd4ea70d65d3ff774.tar.xz linux-dev-249fa8217b846a7c031b997bd4ea70d65d3ff774.zip | |
USB: Add driver to control USB fast charge for iOS devices
iOS devices will not draw more than 500mA unless instructed to do so.
Setting the charge type power supply property to "fast" tells the device
to start drawing more power, using the same procedure that official
"MFi" chargers would.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191016093933.693-7-hadess@hadess.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc/Kconfig')
| -rw-r--r-- | drivers/usb/misc/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index 834b2494da73..833a460ee55a 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -137,6 +137,16 @@ config USB_APPLEDISPLAY Say Y here if you want to control the backlight of Apple Cinema Displays over USB. This driver provides a sysfs interface. +config APPLE_MFI_FASTCHARGE + tristate "Fast charge control for iOS devices" + select POWER_SUPPLY + help + Say Y here if you want to control whether iOS devices will + fast charge from the USB interface, as implemented in "MFi" + chargers. + + It is safe to say M here. + source "drivers/usb/misc/sisusbvga/Kconfig" config USB_LD |