linux-kernel - Re: [PATCH v2 05/12] ASoC: hdmi-codec: Add a prepare hook

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Date:   Mon, 31 May 2021 13:12:17 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
        dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        devicetree@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Dom Cobley <dom@...pberrypi.com>, linux-doc@...r.kernel.org,
        Eric Anholt <eric@...olt.net>,
        Nicolas Saenz Julienne <nsaenzjulienne@...nel.org>,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org,
        Daniel Vetter <daniel@...ll.ch>,
        linux-rpi-kernel@...ts.infradead.org,
        Jonathan Corbet <corbet@....net>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v2 05/12] ASoC: hdmi-codec: Add a prepare hook

On Mon, 31 May 2021 11:42:13 +0200,
Maxime Ripard wrote:
> 
> Hi Mark, Takashi,
> 
> On Wed, May 26, 2021 at 11:39:21AM +0100, Mark Brown wrote:
> > On Tue, May 25, 2021 at 03:23:47PM +0200, Maxime Ripard wrote:
> > > The IEC958 status bit is usually set by the userspace after hw_params
> > > has been called, so in order to use whatever is set by the userspace, we
> > > need to implement the prepare hook. Let's add it to the hdmi_codec_ops,
> > > and mandate that either prepare or hw_params is implemented.
> > 
> > Acked-by: Mark Brown <broonie@...nel.org>
> 
> It looks like you're both happy with the ALSA/ASoC side, how do you want
> to get this merged?
> 
> There's a build dependency between the DRM bits and the new hook
> introduced in hdmi-codec, would you be ok with merging it through the
> drm tree?

Speaking of ALSA core changes, I'm fine with that.


thanks,

Takashi