N900 modem support in 3.18-rc1

Sebastian Reichel sre at kernel.org
Fri Nov 14 14:05:29 PST 2014


On Fri, Nov 14, 2014 at 06:34:18PM +0100, Pali Rohár wrote:
> Anyway what is /dev/cmt_speech doing? If it exports gsm voice 
> call data, [...]


> [...] should not it have alsa snd interface?

Sounds also like a promising standardized kernel interface.
I wonder why a custom interface has been chosen in the first

> V4L2 interface is not for video/camera/capture/tv cards?

The V4L2 interface is also used for radio interfaces (e.g. the
N900's fm receiver/transmitter) and for software defined radio.

-- Sebastian
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