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From: Sameer Pujar <spujar@nvidia.com>
To: Michael Walle <michael@walle.cc>
Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org,
	kuninori.morimoto.gx@renesas.com, robh@kernel.org,
	linux-kernel@vger.kernel.org, jonathanh@nvidia.com,
	sharadg@nvidia.com, broonie@kernel.org, thierry.reding@gmail.com,
	linux-tegra@vger.kernel.org
Subject: Re: [PATCH 1/3] ASoC: simple-card-utils: Fix device module clock
Date: Thu, 11 Mar 2021 16:35:03 +0530	[thread overview]
Message-ID: <fa654e7a-80cc-7ae8-15c6-780e7fa29bb1@nvidia.com> (raw)
In-Reply-To: <eb26f8e0a4c99d0c9de9d92612102718@walle.cc>



On 3/11/2021 3:57 PM, Michael Walle wrote:
> I've had a closer look at this and it seems you're messing around
> with the clock of the codec's node (which is _not_ a subnode of
> the simple-audio-card). I don't think this is correct.
>
> I guess you should rather set the clock property in the codec
> subnode of the simple-audio-card, which is then picked up by the
> simple-audio-card driver and changed accordingly.
>
> For example:
>                simple-audio-card,dai-link@0 {
>                        reg = <0>;
>                        bitclock-master = <&dailink0_master>;
>                        frame-master = <&dailink0_master>;
>                        format = "i2s";
>
>                        cpu {
>                                sound-dai = <&sai6>;
>                        };
>
>                        dailink0_master: codec {
>                                sound-dai = <&wm8904>;
>                                clocks = <&mclk>;
>                        };
>                };
>
> In this case mclk will be enabled and disabled accordingly.
>
> Could you test this?
>

It would work and initially I had similar patch, see [0] and related 
series. Suggestion is to always use "clocks" property with devices only.


[0] 
https://patchwork.kernel.org/project/alsa-devel/patch/1611944866-29373-4-git-send-email-spujar@nvidia.com/

  reply	other threads:[~2021-03-11 11:06 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10  6:43 [PATCH 0/3] Use clocks property in a device node Sameer Pujar
2021-02-10  6:43 ` [PATCH 1/3] ASoC: simple-card-utils: Fix device module clock Sameer Pujar
2021-02-11 23:44   ` Kuninori Morimoto
2021-02-14 17:56     ` Sameer Pujar
2021-02-14 23:25       ` Kuninori Morimoto
2021-03-09 14:41   ` Michael Walle
2021-03-09 16:27     ` Sameer Pujar
2021-03-09 22:30       ` Michael Walle
2021-03-10 14:50         ` Sameer Pujar
2021-03-10 18:14           ` Michael Walle
2021-03-10 19:19             ` Sameer Pujar
2021-03-11 10:27           ` Michael Walle
2021-03-11 11:05             ` Sameer Pujar [this message]
2021-03-11 11:16               ` Michael Walle
2021-03-11 14:29                 ` Sameer Pujar
2021-03-11 15:43                   ` Michael Walle
2021-03-11 16:41                     ` Mark Brown
2021-03-11 16:15           ` Mark Brown
2021-03-11 22:11             ` Michael Walle
2021-03-12 11:35               ` Mark Brown
2021-03-12 12:01                 ` Michael Walle
2021-03-12 12:04                   ` Mark Brown
2021-03-12 12:30                     ` Michael Walle
2021-03-12 13:46                       ` Mark Brown
2021-03-15 12:05                         ` Michael Walle
2021-03-15 15:19                           ` Sameer Pujar
2021-03-15 15:33                             ` Michael Walle
2021-03-15 15:57                               ` Sameer Pujar
2021-03-15 15:39                             ` Mark Brown
2021-03-15 17:10                               ` Sameer Pujar
2021-03-15 17:13                                 ` Michael Walle
2021-03-11 16:00     ` Mark Brown
2021-03-11 21:34       ` Michael Walle
2021-02-10  6:43 ` [PATCH 2/3] Revert "ASoC: audio-graph-card: Add clocks property to endpoint node" Sameer Pujar
2021-02-11 13:00   ` Mark Brown
2021-02-10  6:43 ` [PATCH 3/3] arm64: tegra: Move clocks from RT5658 endpoint to device node Sameer Pujar
2021-02-11 15:38 ` [PATCH 0/3] Use clocks property in a " Mark Brown

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