diff options
| author | Wei-Ning Huang <wnhuang@google.com> | 2017-07-26 17:43:46 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-09-01 12:39:19 -0700 |
| commit | 235d9a18c14dbfccaa48dd344d88fb3ba4309052 (patch) | |
| tree | 9025147ec32937dbb40922c05320176d688fff8f /include | |
| parent | 72252db3425a88f404f6d76eb15d02ace06747b7 (diff) | |
| download | chrome-ec-235d9a18c14dbfccaa48dd344d88fb3ba4309052.tar.gz | |
chip/stm32/usb_hid_keyboard: implement keyboard backlight control
Implement keyboard backlight control through HID output report. One
could enable CONFIG_USB_HID_KEYBOARD_BACKLIGHT to enable keyboard
backlight support for a given board. Target board must implement the
`void board_set_backlight(int brightness)` function in order correctly
set backlight.
BRANCH=none
BUG=b:37971411,b:63364143
TEST=with follow up CLs
1. `make BOARD=hammer -j`
2. `echo 10 > /sys/class/leds/hammer\:\:kbd_backlight/brightness`
console shows 'Keyboard backlight set to 10%'
Change-Id: Ibeff510a0d996ddebf61b54ed6b500b02c35564a
Signed-off-by: Wei-Ning Huang <wnhuang@google.com>
Reviewed-on: https://chromium-review.googlesource.com/586348
Commit-Ready: Wei-Ning Huang <wnhuang@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/config.h | 3 | ||||
| -rw-r--r-- | include/usb_hid_touchpad.h | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/include/config.h b/include/config.h index 270783ef48..07e6e34149 100644 --- a/include/config.h +++ b/include/config.h @@ -2677,6 +2677,9 @@ /* Support USB HID keyboard interface. */ #undef CONFIG_USB_HID_KEYBOARD +/* Support USB HID keyboard backlight. */ +#undef CONFIG_USB_HID_KEYBOARD_BACKLIGHT + /* Support USB HID touchpad interface. */ #undef CONFIG_USB_HID_TOUCHPAD diff --git a/include/usb_hid_touchpad.h b/include/usb_hid_touchpad.h index d7d6dc0363..39b6277b96 100644 --- a/include/usb_hid_touchpad.h +++ b/include/usb_hid_touchpad.h @@ -5,8 +5,8 @@ * USB HID definitions. */ -#ifndef __CROS_EC_USB_HID_KEYBOARD_H -#define __CROS_EC_USB_HID_KEYBOARD_H +#ifndef __CROS_EC_USB_HID_TOUCHPAD_H +#define __CROS_EC_USB_HID_TOUCHPAD_H #define USB_HID_TOUCHPAD_TIMESTAMP_UNIT 100 /* usec */ |