From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Mark Brown <broonie@kernel.org>
Cc: linux-kernel@lists.codethink.co.uk, alsa-devel@alsa-project.org,
Takashi Iwai <tiwai@suse.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>,
Edward Cragg <edward.cragg@codethink.co.uk>,
linux-tegra@vger.kernel.org, Jon Hunter <jonathanh@nvidia.com>,
linux-tegra-owner@vger.kernel.org
Subject: Re: [PATCH 1/8] ASoC: tegra: Add a TDM configuration callback
Date: Wed, 18 Sep 2019 12:44:40 +0100 [thread overview]
Message-ID: <3aa9531f43ec8e3c499a61d0d61159b0@codethink.co.uk> (raw)
In-Reply-To: <20190918104827.GB2596@sirena.co.uk>
On 2019-09-18 11:48, Mark Brown wrote:
> On Wed, Sep 18, 2019 at 11:25:39AM +0100, Jon Hunter wrote:
>
>> Why 2? From looking at various codecs that support dsp-a/b modes, it
>> is
>> more common for the f-sync to be 1 regardless of the number of slots.
>
> In DSP modes only one edge really matters anyway so it's not super
> important how long the pulse is.
I could never get an answer for why this was set as-is on the customer's
setup and not sure if I have the ability to re-test this.
WARNING: multiple messages have this Message-ID (diff)
From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Mark Brown <broonie@kernel.org>
Cc: linux-kernel@lists.codethink.co.uk, alsa-devel@alsa-project.org,
Takashi Iwai <tiwai@suse.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>,
Edward Cragg <edward.cragg@codethink.co.uk>,
linux-tegra@vger.kernel.org, Jon Hunter <jonathanh@nvidia.com>,
linux-tegra-owner@vger.kernel.org
Subject: Re: [alsa-devel] [PATCH 1/8] ASoC: tegra: Add a TDM configuration callback
Date: Wed, 18 Sep 2019 12:44:40 +0100 [thread overview]
Message-ID: <3aa9531f43ec8e3c499a61d0d61159b0@codethink.co.uk> (raw)
In-Reply-To: <20190918104827.GB2596@sirena.co.uk>
On 2019-09-18 11:48, Mark Brown wrote:
> On Wed, Sep 18, 2019 at 11:25:39AM +0100, Jon Hunter wrote:
>
>> Why 2? From looking at various codecs that support dsp-a/b modes, it
>> is
>> more common for the f-sync to be 1 regardless of the number of slots.
>
> In DSP modes only one edge really matters anyway so it's not super
> important how long the pulse is.
I could never get an answer for why this was set as-is on the customer's
setup and not sure if I have the ability to re-test this.
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next prev parent reply other threads:[~2019-09-18 11:44 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 18:12 RFC: TDM mode support on the tegra30 Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-17 18:12 ` [PATCH 1/8] ASoC: tegra: Add a TDM configuration callback Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-17 18:22 ` Pierre-Louis Bossart
2019-09-17 18:22 ` [alsa-devel] " Pierre-Louis Bossart
2019-09-18 8:42 ` Jon Hunter
2019-09-18 8:42 ` [alsa-devel] " Jon Hunter
2019-09-18 10:11 ` Ben Dooks
2019-09-18 10:11 ` [alsa-devel] " Ben Dooks
2019-09-18 10:25 ` Jon Hunter
2019-09-18 10:25 ` [alsa-devel] " Jon Hunter
2019-09-18 10:48 ` Mark Brown
2019-09-18 10:48 ` [alsa-devel] " Mark Brown
2019-09-18 11:44 ` Ben Dooks [this message]
2019-09-18 11:44 ` Ben Dooks
2019-09-18 13:33 ` Pierre-Louis Bossart
2019-09-18 13:33 ` [alsa-devel] " Pierre-Louis Bossart
2019-09-18 15:02 ` Mark Brown
2019-09-18 15:02 ` [alsa-devel] " Mark Brown
2019-09-17 18:12 ` [PATCH 2/8] ASoC: tegra: Allow 24bit and 32bit samples Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-17 18:26 ` Pierre-Louis Bossart
2019-09-17 18:26 ` [alsa-devel] " Pierre-Louis Bossart
2019-09-18 7:44 ` Ben Dooks
2019-09-18 7:44 ` [alsa-devel] " Ben Dooks
2019-09-18 10:08 ` Mark Brown
2019-09-18 10:08 ` [alsa-devel] " Mark Brown
2019-09-18 11:50 ` Ben Dooks
2019-09-18 11:50 ` [alsa-devel] " Ben Dooks
2019-09-18 12:05 ` Mark Brown
2019-09-18 12:05 ` [alsa-devel] " Mark Brown
2019-09-17 18:12 ` [PATCH 3/8] ASoC: tegra: i2s: Add support for more than 2 channels Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-18 8:50 ` Jon Hunter
2019-09-18 8:50 ` [alsa-devel] " Jon Hunter
2019-09-18 10:12 ` Ben Dooks
2019-09-18 10:12 ` [alsa-devel] " Ben Dooks
2019-09-17 18:12 ` [PATCH 4/8] ASoC: tegra: disable rx_fifo after disable stream Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-17 18:12 ` [PATCH 5/8] ASoC: tegra: set edge mode for TDM correctly Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-17 19:33 ` kbuild test robot
2019-09-17 19:33 ` [alsa-devel] " kbuild test robot
2019-09-18 8:54 ` Jon Hunter
2019-09-18 8:54 ` [alsa-devel] " Jon Hunter
2019-09-18 9:02 ` Jon Hunter
2019-09-18 9:02 ` [alsa-devel] " Jon Hunter
2019-09-18 10:15 ` Ben Dooks
2019-09-18 10:15 ` [alsa-devel] " Ben Dooks
2019-09-17 18:12 ` [PATCH 6/8] ASoC: tegra: set i2s_offset to 0 for tdm Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-18 9:02 ` Jon Hunter
2019-09-18 9:02 ` [alsa-devel] " Jon Hunter
2019-09-18 11:30 ` Ben Dooks
2019-09-18 11:30 ` [alsa-devel] " Ben Dooks
2019-09-17 18:12 ` [PATCH 7/8] ASoC: tegra: config fifos on hw_param changes Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-18 9:14 ` Jon Hunter
2019-09-18 9:14 ` [alsa-devel] " Jon Hunter
2019-09-18 11:41 ` Ben Dooks
2019-09-18 11:41 ` [alsa-devel] " Ben Dooks
2019-09-17 18:12 ` [PATCH 8/8] ASoC: tegra: take packing settings from the audio cif_config Ben Dooks
2019-09-17 18:12 ` [alsa-devel] " Ben Dooks
2019-09-18 9:16 ` Jon Hunter
2019-09-18 9:16 ` [alsa-devel] " Jon Hunter
2019-09-18 10:02 ` Sameer Pujar
2019-09-18 10:02 ` [alsa-devel] " Sameer Pujar
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