[alsa-devel] mx6: Audio does not work on linux-next 20140107

Nicolin Chen Guangyu.Chen at freescale.com
Wed Jan 8 10:53:03 CET 2014

On Wed, Jan 08, 2014 at 08:01:56AM -0200, Fabio Estevam wrote:
> Hi Nicolin,
> On Wed, Jan 8, 2014 at 3:04 AM, Nicolin Chen <Guangyu.Chen at freescale.com> wrote:
> > I think it is impossible to run SDMA without firmware, which stores all
> > the scripts we need, including Audio's one. Although the upstream kernel
> > doesn't have firmware, the reason why you were able to run audio playback
> > is because you have the firmware in your rootfs. So since the driver's
> > upgraded, it's plausible for us to upgrade the firmware as well. But I
> No, this is not correct.

Yea, Shawn just told me there's an inner firmware in the ROM code while
this firmware only supports some basic scripts. And I've already sent
my fixing patches (you're in the to list). Please take a look and test
if you can.

Thank you,
Nicolin Chen

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