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author | Vic Yang <victoryang@chromium.org> | 2013-06-05 13:43:39 +0800 |
---|---|---|
committer | ChromeBot <chrome-bot@google.com> | 2013-06-05 11:25:07 -0700 |
commit | d07b0d5a5fdb1abb535f39ef2654b52c29a48fba (patch) | |
tree | 9990bab6347c3767162a4472b017c7f101f35347 | |
parent | 72a69f66694f00eb595bf40bef5958c09204140a (diff) | |
download | chrome-ec-d07b0d5a5fdb1abb535f39ef2654b52c29a48fba.tar.gz |
spring: Update device type on video power change
This is needed to properly notify kernel of power changes.
BUG=chrome-os-partner:19925
TEST=Attach/remove power from video dongle, and see device type changes.
BRANCH=spring
Change-Id: Ic91ad43ed934be021689c4c4557914e6163e06f8
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/57569
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
-rw-r--r-- | common/extpower_usb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/extpower_usb.c b/common/extpower_usb.c index bb6f37d1e4..9e87814f26 100644 --- a/common/extpower_usb.c +++ b/common/extpower_usb.c @@ -712,9 +712,13 @@ static void usb_monitor_detach(void) vbus = adc_read_channel(ADC_CH_USB_VBUS_SNS); if (get_video_power() && vbus > 4000) { set_video_power(0); + current_dev_type |= TSU6721_TYPE_VBUS_DEBOUNCED; + keyboard_send_battery_key(); } else if (!get_video_power() && vbus <= 4000) { set_pwm_duty_cycle(100); set_video_power(1); + current_dev_type &= ~TSU6721_TYPE_VBUS_DEBOUNCED; + keyboard_send_battery_key(); } } DECLARE_HOOK(HOOK_SECOND, usb_monitor_detach, HOOK_PRIO_DEFAULT); |