Consider removing "Low-power charger connected" notification |
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Issue descriptionCan we kill the "Low-power charger connected" notification? It shows up continuously on a kevin device with the 15W Type-C travel charger from http://stuff/items/1363: - I see it on the login screen. - I see it again after I log in. - I see it again on the login screen after I log out. Similar to the docked-mode notification, it provides little value after the user sees it once. We already display a battery-with-tilde icon in the system tray when we're in this state. Maybe we just need to be better about tweaking the threshold for this for different devices. Here's what I see from power_supply_info while it's connected: Device: Line Power path: /sys/class/power_supply/CROS_USB_PD_CHARGER1 online: yes type: USB_C enum type: USB voltage (V): 5.001 current (A): 0 max voltage (V): 5 max current (A): 3 active source: CROS_USB_PD_CHARGER1 available sources: CROS_USB_PD_CHARGER1* [0/ff00] supports dual-role: yes For dual-role ports, powerd reports a low-power charger if the max power (15W, in this case) is less than the value from powerd's usb_min_ac_watts pref (20W by default). This charger seems to be able to keep this kevin device full under typical use, though.
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Mar 22 2017
Definitely sounds like we should tweak the thresholds or use a different trigger. If the power supply is enough to keep the device powered under current use there's no need to bug the user. In the case where it's really needed though the UI SHOULD be annoying. If the user is in a state where they're losing battery power even though they're plugged in that can be a really unpleasant surprise.
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Mar 24 2017
Agreed ideal scenario is to show the full notification the first time a user plugs in the new low-power charger. That will teach them sufficiently. After that, the icon with tilde is good enough
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Dec 8 2017
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May 5 2018
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Aug 8
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Aug 29
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Sep 10
If my battery drops below 10% I get low battery notifications. If I then plug in my phone charger to keep things running while I finish up, I get repeated notifications about every minute (I think as the battery percentage changes) that remind me I have low battery and am on a low power charger.
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Sep 10
This should possibly get the same treatment described in issue 827409 (which is about display notifications).
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Dec 13
Bulk-assigning unassigned status area bugs to me. |
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Comment 1 by derat@chromium.org
, Mar 15 2017