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Message-ID: <3e2ebf04f53cbf801e13fd808d8438c6d2cee412.camel@gmail.com> Date: Wed, 29 Oct 2025 12:24:47 +0100 From: Alexander Sverdlin <alexander.sverdlin@...il.com> To: Herve Codina <herve.codina@...tlin.com> Cc: linux-sound@...r.kernel.org, patches@...nsource.cirrus.com, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, David Rhodes <david.rhodes@...rus.com>, Richard Fitzgerald <rf@...nsource.cirrus.com>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Nikita Shubin <nikita.shubin@...uefel.me>, Axel Lin <axel.lin@...ics.com>, Brian Austin <brian.austin@...rus.com> Subject: Re: [PATCH v2 4/4] ASoC: cs4271: Add support for the external mclk Hi! On Wed, 2025-10-29 at 10:39 +0100, Herve Codina wrote: > The mclk (master clock) of the cs4271 codec can be an input clock. > > In this case the connected clock needs to be enabled outside of any > audio stream. Indeed, this clock is needed for i2c communication. > > Add support of this clock and enable it before the first i2c transfer. > > Signed-off-by: Herve Codina <herve.codina@...tlin.com> > --- > sound/soc/codecs/cs4271.c | 29 ++++++++++++++++++++++++++--- > 1 file changed, 26 insertions(+), 3 deletions(-) Reviewed-by: Alexander Sverdlin <alexander.sverdlin@...il.com> -- Alexander Sverdlin.
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