linux-kernel - Re: [PATCH v3 3/7] ASoC: sun4i-i2s: Add support for H6 I2S

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200430084600.samghw4zxb5zdbez@gilmour.lan>
Date:   Thu, 30 Apr 2020 10:46:00 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Marcus Cooper <codekipper@...il.com>
Subject: Re: [PATCH v3 3/7] ASoC: sun4i-i2s: Add support for H6 I2S

Hi,

On Wed, Apr 29, 2020 at 06:33:00PM +0200, Clément Péron wrote:
> On Wed, 29 Apr 2020 at 14:35, Maxime Ripard <maxime@...no.tech> wrote:
> >
> > On Tue, Apr 28, 2020 at 10:55:47AM +0200, Clément Péron wrote:
> > > > > +static int sun50i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,
> > > > > +                              unsigned int fmt)
> > > >
> > > > The alignment is off here
> > > >
> > > > > +{
> > > > > +     u32 mode, val;
> > > > > +     u8 offset;
> > > > > +
> > > > > +     /*
> > > > > +      * DAI clock polarity
> > > > > +      *
> > > > > +      * The setup for LRCK contradicts the datasheet, but under a
> > > > > +      * scope it's clear that the LRCK polarity is reversed
> > > > > +      * compared to the expected polarity on the bus.
> > > > > +      */
> > > >
> > > > Did you check this or has it been copy-pasted?
> > >
> > > copy-pasted, I will check this.
> >
> > It's not going to be easy to do this if you only have a board with HDMI. If you
> > can't test that easily, just remove the comment (or make it explicit that you
> > copy pasted it?), no comment is better than a wrong one.
> 
> I have talked with Marcus Cooper it may be able to test this this week-end.
> Also this can explain why we need the "
> simple-audio-card,frame-inversion;" in the device-tree.
> 
> If think this fix has been introduced by you, correct? Could you say
> on which SoC did you see this issue?

This was seen on an H3

Maxime

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)