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SubjectRe: [RFC PATCH 0/3] bluetooth/gnss: GNSS support for TiWi chips
* Andreas Kemnade <andreas@kemnade.info> [231126 19:18]:
> So the main questions I see:
> - is the approach right to abandon drivers/misc/ti-st?

Yes.

> - Output at /dev/gnssX:
> AI2 vs. NMEA
> The chip can be configured into sending AI2-encapsulated NMEA,
> or proving data in a binary format.
> Some research has to be done yet for the details.
> A pile of logs is waiting for further analysis...
>
> Arguments for/against NMEA:
> + Userspace is prepared to handle it
> + Power management can be easily done by the kernel
> - Less functionality can be used.

I'd go with NMEA format as the default setting :)

> Arguments for/against AI2:
> + Full functionality can be accessed from userspace (incl. A-GPS,
> maybe raw satellite data)
> - Userspace has to behave to have proper power management
> - No freely (not even as in beer) tool available to fully use AI2,
> so there will be only a real advantage after long "French Cafe"
> sessions.

Seems AI2 could be optionally enabled as needed with some writes
to /dev/gnss0 to change the mode?

Regards,

Tony

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