[PATCH 0/1][SRU][B][OEM-B][C][D]Power leakage at S5 with Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter

Seth Forshee seth.forshee at canonical.com
Wed Dec 5 13:52:38 UTC 2018

On Thu, Nov 29, 2018 at 02:02:10PM +0800, AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1805607
> [Impact]
> It drains power more than 0.5 Watt after power off(S5) the machine with
> QCA9377 wifi card. The power consumption should be lower than 0.5 Watt,
> or it won't pass E-star 7.
> [Fix]
> Qualcomm provides this fix, and the power consumption becomes 0.23 Watt
> at S5. This fix doesn't submit to upstream yet, Qualcomm is still working
> on it.

Can you elaborate? The fact that they are still working on it implies
that it isn't done. Can you explain what is still being worked on, and
why it's "good enough" in the current, imcomplete form?

> [Test]
> Verified on Dell machines, it works.
> [Regression Potential]
> Low.

Please explain why the regression potential is low.


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