Hana: Left right audio channels are swapped |
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Issue descriptionChrome Version: 72.0.3626.22 Chrome OS Version: 11316.29.0 Chrome OS Platform: Hana Network info: Wifi Please specify Cr-* of the system to which this bug/feature applies (add the label below). Steps To Reproduce: (1) Play left and right channel testing video. https://www.youtube.com/watch?v=hTvJoYnpeRQ&t=20 (2) Observe channels. Expected Result: - Audio should play as per channel mentioned in the video. Actual Result: - Channels swapped. How frequently does this problem reproduce? (Always, sometimes, hard to reproduce?) Always Feedback report: https://listnr.corp.google.com/report/85856740403
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Dec 19
Issue also observed on M71(11151.59.071.0.3578.94). Removing regression label.
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Dec 20
Issue also observed on M73(11429.0.0, 73.0.3644.0)
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Dec 20
There is no Hana here. But elm works fine. There is no change in Hana UCM file for a while, and it is exactly the same as UCM file on elm. So I have no clue how this bug could happen. I ahave requested one Hana from MTV.
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Dec 20
Comparing dsp.ini between hana and elm, there is a little difference, but just for tuning. The routing is exactly the same.
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Dec 20
Did you check the schematic? Is there a chance they reversed the channel select pins on the amps?
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Dec 21
+vineeths, tonycwlin I found the schematic of elm, but could not find the schematic of hana in EE folder. Hi Vineeth and Tony, Do you know where can I find the schematics of hana ? I would like to check if speaker is routed differently. Thanks!
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Dec 21
Hana is a.single board used across many devices Over 700,000 Hana devices have been built already So I'm not sure what changed, but I suspect this may be a newer device like sycamore based on the same Hana board. |
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Comment 1 by dgreid@google.com
, Dec 19Owner: cychiang@chromium.org
Status: Assigned (was: Untriaged)