[alsa-devel] USB Audio/ALSA

[Rajaram R]

The one i use is broadcom chipset i guess (Samsung Grand). Any pointers
based on the above logcat message will be helpful ? I wonder if there is
any Android/Samsung mailing list that can answer this topic.

I am expecting some developers who worked on the above said platform will
be on this list.


On Thu, Sep 12, 2013 at 10:35 PM, Radoslaw Szkodzinski <
astralstorm at gmail.com> wrote:

> On Thu, Sep 12, 2013 at 6:33 PM, Daniel Mack <zonque at gmail.com> wrote:
> > On 12.09.2013 05:30, Rajaram R wrote:
> >> I am trying to bring up Android Accessory Audio in my Samsung Grand
> >> mobile.. I am using a Linux PC for the same. The mobile re-enumerates in
> >> AOA mode with an Audio interface. But when I play song, I see nothing on
> >> the bus.  I can see an AOA audio device entry in /proc/asound/cards. The
> >> mobile runs Android JB
> >
> > If the card is present in /proc/asound/cards, alsa detected it just
> > fine, and you have to look at the Adroid sound system in order to find
> > out why it's not used. Unfortunately, Android decided not to use any of
> > the ALSA userspace code but reinvented the wheel, for which simple tools
> > like aplay are unavailable.
>
> Actually quite a few devices come with either tinyalsa or full alsa-lib.
>
> Qualcomm-based ones are the exception.
>
> --
> Radosław Szkodziński
>