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usb:serial:optrion: fix dwm-158 3g modem interface

DISCUSSION Johan Hovold 1 participant 1 message Apr 24, 2018 USB

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Johan Hovold

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Quoted 4 lines · Dan Williams
Quoted 2 lines · Lars Melin

Blacklisting interface 4 and 5 is correct because:

Quoted 8 lines
Quoted 4 lines

MI_00 D-Link Mobile Broadband Device (cdc_ether)
MI_02 D-Link HSPA+DataCard Diagnostics Interface (also ppp modem) MI_03 D-Link HSPA+DataCard NMEA Device
MI_04 D-Link HSPA+DataCard Speech Port

Any idea what format this port speaks? Some Huawei Qualcomm-based devices still use a TTY driver but send/receive 16-bit 8000hz PCM audio frames via a serial port.

Wow. Shouldn't this really be handled by an ALSA driver?

Thanks,
Johan
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