Re: [PATCH 1/1] USB: serial: option: add TDTECH MT5710-CN

From: Chukun Pan

Date: Tue Jul 21 2026 - 06:52:10 EST


Hi,

> Do you know which chipset these devices are based on?

It is based on the Huawei HiSilicon Balong chip.

> Do all interfaces need (and accept) the
> USB_CDC_REQ_SET_CONTROL_LINE_STATE request sent on open
> (unless suppressed with NCTRL())?

Sorry, I don't know. Is there any way to verify this?

Thanks,
Chukun