Thread (33 messages) 33 messages, 4 authors, 6d ago

Re: [PATCH 06/16] ASoC: twl4030-codec: Allow setting APLL rate through the .set_sysclk() interface

From: Andreas Kemnade <andreas@kemnade.info>
Date: 2026-07-15 08:00:03
Also in: dri-devel, linux-arm-kernel, linux-devicetree, linux-omap, linux-sound, lkml

On Sat, 11 Jul 2026 08:01:53 +0200
"H. Nikolaus Schaller" [off-list ref] wrote:
From: Grond <redacted>

On the Pandora, the APLL is actually what drives all of the audio
clocks on the board. Since the TWL4030 is only used for capture, we
need some way of setting the correct rate for playback streams, since
they will not go through the TWL4030's .hw_params() code path (which
is normally how APLL rate is set).

Signed-off-by: Grond <redacted>
Signed-off-by: H. Nikolaus Schaller <redacted>
As a general comment: might we model this as clock provider (and maybe
that enables the usage of a generic audio-graph-card)?

Regards,
Andreas
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