On Fri, Feb 28, 2025 at 12:47 PM Ying Hsu <yinghsu@xxxxxxxxxxxx> wrote: > > Beyond power concerns, another potential issue is USB host controller > scheduling fairness. SCO data is transmitted over isochronous pipes, > and if the alternate setting remains non-zero, the USB host controller > reserves bandwidth even when no audio data is being transmitted. This > could reduce throughput for some USB 1.x/2.0 applications, such as > file transfers from USB mass storage devices, when sharing the bus > with a Bluetooth controller in SCO mode. I don’t have a Chromebook to > verify this theory, but I suggest the ChromeOS team measure the > potential impact and follow up if necessary. Thanks for the input. We will measure the potential impact.
