[alsa-devel] [RFC PATCH] Inverted internal mic

Eliot Blennerhassett eliot at blennerhassett.gen.nz
Tue Jun 19 05:07:40 CEST 2012

David Henningsson <david.henningsson <at> canonical.com> writes:
> On 02/28/2012 02:22 PM, Takashi Iwai wrote:
> > At Tue, 28 Feb 2012 14:07:59 +0100,
> > David Henningsson wrote:
> > Is there a way we can
> >> know the corresponding processing coefficients to set for ALC268 and
> >> ALC272X as well?
> >
> > AFAIK, no, it was specific to the codec model.
> Ok, then we can only hope for Kailang to supply this information if 
> possible. And if not possible we could attempt the workaround (when/if 
> we agree on it...) for these devices as well?


Any chance that there has been any progress on this?
I have a machine with dmic and ALC272X (details below) that exhibits this
problem, and can test any proposed patch.



Machine details:
emachines 350
Codec: Realtek ALC272X
Vendor Id: 0x10ec0272
Subsystem Id: 0x10250349
Revision Id: 0x100001

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