Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Thu, 18 Feb 2021 10:44:26 +0100
From:   Maxime Ripard <maxime@cerno.tech>
To:     Icenowy Zheng <icenowy@aosc.io>
Cc:     Tobias Schramm <t.schramm@manjaro.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] clk: sunxi-ng: v3s: add support for variable rate audio
 pll output
Message-ID: <20210218094426.fc5pxmz463fivm2w@gilmour>
References: <20210212135725.283877-1-t.schramm@manjaro.org>
 <20210218075835.o43tyarpimrcwbvk@gilmour>
 <C1E55B65-370F-4875-B7D6-7CD7A82A91DD@aosc.io>
 <914aeb08-0534-48aa-2c2e-4e87d4360e29@manjaro.org>
 <2BA0A0C7-DA37-486B-B12F-C485F1000F8E@aosc.io>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;
        protocol="application/pgp-signature"; boundary="4ctgxoqjsojtrgad"
Content-Disposition: inline
In-Reply-To: <2BA0A0C7-DA37-486B-B12F-C485F1000F8E@aosc.io>
Precedence: bulk


--4ctgxoqjsojtrgad
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, Feb 18, 2021 at 05:21:16PM +0800, Icenowy Zheng wrote:
>=20
>=20
> =E4=BA=8E 2021=E5=B9=B42=E6=9C=8818=E6=97=A5 GMT+08:00 =E4=B8=8B=E5=8D=88=
5:18:39, Tobias Schramm <t.schramm@manjaro.org> =E5=86=99=E5=88=B0:
> >Hi Icenowy,
> >
> > > We have introducee SDM-based accurate audio PLL on several
> >> other SoCs. Some people is quite sensitive about audio-related
> >things.
> > >
> >While it is possible to support 24MHz * 128 / 25 / 5 =3D 24.576MHz
> >without=20
> >delta sigma modulation, matching 22.5792MHz is indeed not possible. I=20
> >read you'd prefer me to use SDM like the other SoCs though? Shall I
> >send=20
> >a v2 utilizing SDM?
>=20
> Yes, I think so.

Yes I'd rather have consistency about how we deal with this across all SoCs

Maxime

--4ctgxoqjsojtrgad
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----

iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCYC42+gAKCRDj7w1vZxhR
xZxBAP9dKCA17V+qSvm042nyhkVHUunMyflINeOwh3yCYdyhqQD+MzDg43jXOhct
NAH7moms0HCKwcFJeE70q/AIlXGyUAg=
=sjsw
-----END PGP SIGNATURE-----

--4ctgxoqjsojtrgad--