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From: Mark Brown <broonie@kernel.org>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: linux-kernel@lists.codethink.co.uk, alsa-devel@alsa-project.org,
	Liam Girdwood <lgirdwood@gmail.com>,
	Takashi Iwai <tiwai@suse.com>,
	Ben Dooks <ben.dooks@codethink.co.uk>,
	Thierry Reding <thierry.reding@gmail.com>,
	Edward Cragg <edward.cragg@codethink.co.uk>,
	linux-tegra@vger.kernel.org
Subject: Re: [PATCH v5 3/7] ASoC: tegra: i2s: Add support for more than 2 channels
Date: Thu, 24 Oct 2019 20:18:46 +0100	[thread overview]
Message-ID: <20191024191846.GJ46373@sirena.co.uk> (raw)
In-Reply-To: <2eef499e-d9d4-732a-ddd6-8d307d8cb08d@nvidia.com>


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On Thu, Oct 24, 2019 at 05:12:21PM +0100, Jon Hunter wrote:
> On 18/10/2019 16:48, Ben Dooks wrote:

> > @@ -90,10 +92,12 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai,
> >  		TEGRA30_I2S_CTRL_LRCK_MASK;
> >  	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
> >  	case SND_SOC_DAIFMT_DSP_A:
> > +		ch_val = TEGRA30_I2S_CH_CTRL_EGDE_CTRL_NEG_EDGE;

> Sorry, I just saw the feedback on the previous iteration. I don't think
> we want to set the polarity but based upon the format that is passed ...

The polarity should be set based on the the inversion flags in the
format, normally both DSP modes trigger on the rising edge of the LRCLK.
The difference is if there's a delay before the first data bit or not.

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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: linux-kernel@lists.codethink.co.uk, alsa-devel@alsa-project.org,
	Liam Girdwood <lgirdwood@gmail.com>,
	Takashi Iwai <tiwai@suse.com>,
	Ben Dooks <ben.dooks@codethink.co.uk>,
	Thierry Reding <thierry.reding@gmail.com>,
	Edward Cragg <edward.cragg@codethink.co.uk>,
	linux-tegra@vger.kernel.org
Subject: Re: [alsa-devel] [PATCH v5 3/7] ASoC: tegra: i2s: Add support for more than 2 channels
Date: Thu, 24 Oct 2019 20:18:46 +0100	[thread overview]
Message-ID: <20191024191846.GJ46373@sirena.co.uk> (raw)
In-Reply-To: <2eef499e-d9d4-732a-ddd6-8d307d8cb08d@nvidia.com>


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On Thu, Oct 24, 2019 at 05:12:21PM +0100, Jon Hunter wrote:
> On 18/10/2019 16:48, Ben Dooks wrote:

> > @@ -90,10 +92,12 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai,
> >  		TEGRA30_I2S_CTRL_LRCK_MASK;
> >  	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
> >  	case SND_SOC_DAIFMT_DSP_A:
> > +		ch_val = TEGRA30_I2S_CH_CTRL_EGDE_CTRL_NEG_EDGE;

> Sorry, I just saw the feedback on the previous iteration. I don't think
> we want to set the polarity but based upon the format that is passed ...

The polarity should be set based on the the inversion flags in the
format, normally both DSP modes trigger on the rising edge of the LRCLK.
The difference is if there's a delay before the first data bit or not.

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_______________________________________________
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  reply	other threads:[~2019-10-24 19:18 UTC|newest]

Thread overview: 182+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18 15:48 tegra30 tdm audio support Ben Dooks
2019-10-18 15:48 ` [alsa-devel] " Ben Dooks
2019-10-18 15:48 ` [PATCH v5 1/7] ASoC: tegra: add a TDM configuration callback Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-24 15:50   ` Jon Hunter
2019-10-24 15:50     ` [alsa-devel] " Jon Hunter
2019-10-25 10:12   ` Applied "ASoC: tegra: add a TDM configuration callback" to the asoc tree Mark Brown
2019-10-25 10:12     ` [alsa-devel] " Mark Brown
2019-10-18 15:48 ` [PATCH v5 2/7] ASoC: tegra: Allow 24bit and 32bit samples Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-24 15:54   ` Jon Hunter
2019-10-24 15:54     ` [alsa-devel] " Jon Hunter
2019-10-25 10:12   ` Applied "ASoC: tegra: Allow 24bit and 32bit samples" to the asoc tree Mark Brown
2019-10-25 10:12     ` [alsa-devel] " Mark Brown
2019-11-23 21:09   ` [PATCH v5 2/7] ASoC: tegra: Allow 24bit and 32bit samples Dmitry Osipenko
2019-11-23 21:09     ` [alsa-devel] " Dmitry Osipenko
2019-11-25 10:37     ` Ben Dooks
2019-11-25 10:37       ` [alsa-devel] " Ben Dooks
2019-11-25 17:22       ` Dmitry Osipenko
2019-11-25 17:22         ` [alsa-devel] " Dmitry Osipenko
2019-11-25 17:28         ` Dmitry Osipenko
2019-11-25 17:28           ` [alsa-devel] " Dmitry Osipenko
2019-12-19 21:21           ` Dmitry Osipenko
2019-12-19 21:21             ` [alsa-devel] " Dmitry Osipenko
2019-12-20 10:56             ` Ben Dooks
2019-12-20 10:56               ` [alsa-devel] " Ben Dooks
2019-12-20 11:30           ` Jon Hunter
2019-12-20 11:30             ` [alsa-devel] " Jon Hunter
2019-12-20 11:38             ` Ben Dooks
2019-12-20 11:38               ` [alsa-devel] " Ben Dooks
2019-12-20 13:57               ` Jon Hunter
2019-12-20 13:57                 ` [alsa-devel] " Jon Hunter
2019-12-20 14:43                 ` Dmitry Osipenko
2019-12-20 14:43                   ` [alsa-devel] " Dmitry Osipenko
2019-12-20 14:56                   ` Ben Dooks
2019-12-20 14:56                     ` [alsa-devel] " Ben Dooks
2019-12-20 15:02                     ` Dmitry Osipenko
2019-12-20 15:02                       ` [alsa-devel] " Dmitry Osipenko
2019-12-20 15:25                       ` Ben Dooks
2019-12-20 15:25                         ` [alsa-devel] " Ben Dooks
2019-12-20 16:40                         ` Dmitry Osipenko
2019-12-20 16:40                           ` [alsa-devel] " Dmitry Osipenko
2019-12-20 17:06                           ` Ben Dooks
2019-12-20 17:06                             ` [alsa-devel] " Ben Dooks
2019-12-22 17:08                             ` Dmitry Osipenko
2019-12-22 17:08                               ` [alsa-devel] " Dmitry Osipenko
2020-01-05  0:04                               ` Ben Dooks
2020-01-05  0:04                                 ` [alsa-devel] " Ben Dooks
2020-01-05  1:48                                 ` Dmitry Osipenko
2020-01-05  1:48                                   ` [alsa-devel] " Dmitry Osipenko
2020-01-05 10:53                                   ` Ben Dooks
2020-01-05 10:53                                     ` [alsa-devel] " Ben Dooks
2020-01-06 19:00                                     ` [Linux-kernel] " Ben Dooks
2020-01-06 19:00                                       ` [alsa-devel] " Ben Dooks
2020-01-07  1:39                                       ` Dmitry Osipenko
2020-01-07  1:39                                         ` [alsa-devel] " Dmitry Osipenko
2020-01-08 11:37                                         ` Jon Hunter
2020-01-08 11:37                                           ` [alsa-devel] " Jon Hunter
     [not found]                                           ` <07cd66dc-1a6c-6b49-55a9-1420fe235161-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-20 16:50                                             ` Dmitry Osipenko
2020-01-20 16:50                                               ` [alsa-devel] " Dmitry Osipenko
     [not found]                                               ` <ebfaa0d3-1236-cac4-4bd8-4456a171d773-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-01-20 17:36                                                 ` Ben Dooks
2020-01-20 17:36                                                   ` [alsa-devel] " Ben Dooks
     [not found]                                         ` <a2744ea0-cf6d-d083-75e6-853746195001-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-01-23 19:38                                           ` Ben Dooks
2020-01-23 19:38                                             ` Ben Dooks
     [not found]                                             ` <28cafc56-095b-68c6-638d-270608a2983f-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-23 21:59                                               ` Ben Dooks
2020-01-23 21:59                                                 ` Ben Dooks
     [not found]                                                 ` <9b3a0cdd-34c7-ecb4-4a26-268fd4a63041-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-23 22:11                                                   ` Dmitry Osipenko
2020-01-23 22:11                                                     ` Dmitry Osipenko
     [not found]                                                     ` <76a6a818-ab60-45eb-a85e-fa3090266d6f-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-01-24  4:31                                                       ` Dmitry Osipenko
2020-01-24  4:31                                                         ` Dmitry Osipenko
2020-01-24 16:56                                                   ` Jon Hunter
2020-01-24 16:56                                                     ` Jon Hunter
     [not found]                                                     ` <26aeb591-e770-5e6a-5ee4-05414ae4ddc6-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-24 17:00                                                       ` Mark Brown
2020-01-24 17:00                                                         ` Mark Brown
     [not found]                                                         ` <20200124170059.GB4918-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2020-01-24 17:03                                                           ` Ben Dooks
2020-01-24 17:03                                                             ` Ben Dooks
2020-01-24 16:50                                               ` Jon Hunter
2020-01-24 16:50                                                 ` Jon Hunter
     [not found]                                                 ` <3d8544be-af20-f382-85fd-32183365267b-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-24 17:00                                                   ` Ben Dooks
2020-01-24 17:00                                                     ` Ben Dooks
     [not found]                                                     ` <318f0256-fe6d-c34d-4deb-74540fca8d0d-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-28  7:49                                                       ` Ricard Wanderlof
2020-01-28  7:49                                                         ` Ricard Wanderlof
2020-01-24 17:06                                                   ` Ben Dooks
2020-01-24 17:06                                                     ` Ben Dooks
2020-01-27 19:20                                                   ` Dmitry Osipenko
2020-01-27 19:20                                                     ` Dmitry Osipenko
     [not found]                                                     ` <1b3c2af4-510e-306c-749a-efffc994b20a-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-01-27 19:23                                                       ` Dmitry Osipenko
2020-01-27 19:23                                                         ` Dmitry Osipenko
2020-01-28  8:59                                                         ` Ben Dooks
2020-01-28  8:59                                                           ` [alsa-devel] " Ben Dooks
     [not found]                                                           ` <62cea895-c1f1-a833-b63c-050642bb8a79-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-28 13:19                                                             ` Jon Hunter
2020-01-28 13:19                                                               ` Jon Hunter
     [not found]                                                               ` <d6bb92e2-16ba-3c00-2f07-e741ecaa5ec8-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-28 15:25                                                                 ` Dmitry Osipenko
2020-01-28 15:25                                                                   ` Dmitry Osipenko
2020-01-28 15:26                                                                 ` Mark Brown
2020-01-28 15:26                                                                   ` Mark Brown
     [not found]                                                                   ` <20200128152632.GF4689-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2020-01-28 17:45                                                                     ` Dmitry Osipenko
2020-01-28 17:45                                                                       ` Dmitry Osipenko
2020-01-28 18:42                                                                 ` Jon Hunter
2020-01-28 18:42                                                                   ` Jon Hunter
     [not found]                                                                   ` <7d9a06b5-c001-2d01-f999-10ccd1195ebe-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-30  8:04                                                                     ` Ben Dooks
2020-01-30  8:04                                                                       ` Ben Dooks
2020-01-28 12:13                                                       ` Mark Brown
2020-01-28 12:13                                                         ` Mark Brown
     [not found]                                                         ` <20200128121315.GD4689-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2020-01-28 17:42                                                           ` Dmitry Osipenko
2020-01-28 17:42                                                             ` Dmitry Osipenko
     [not found]                                                             ` <047c8caa-e715-5295-9794-67ff3e10cea2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-01-28 18:19                                                               ` Jon Hunter
2020-01-28 18:19                                                                 ` Jon Hunter
     [not found]                                                                 ` <70f344bf-f991-606c-55ab-bdadea27d233-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-29  0:17                                                                   ` Dmitry Osipenko
2020-01-29  0:17                                                                     ` Dmitry Osipenko
     [not found]                                                                     ` <2ff97414-f0a5-7224-0e53-6cad2ed0ccd2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-01-30  8:05                                                                       ` Ben Dooks
2020-01-30  8:05                                                                         ` [alsa-devel] (no subject) Ben Dooks
2020-01-30  9:31                                                                         ` Clemens Ladisch
2020-01-30  9:31                                                                           ` [alsa-devel] " Clemens Ladisch
     [not found]                                                                           ` <96ed04cb-24ab-7e4d-bd44-6a4bb7c046ac-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2020-01-30  9:39                                                                             ` Ben Dooks
2020-01-30  9:39                                                                               ` Ben Dooks
     [not found]                                                                               ` <8161fc88-fa8c-ec92-cc14-1caa5c6f2fe7-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-30 14:58                                                                                 ` Clemens Ladisch
2020-01-30 14:58                                                                                   ` Clemens Ladisch
     [not found]                                                                                   ` <182fd434-f15a-f049-1ba1-83bd864b4590-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2020-01-31 10:50                                                                                     ` Ben Dooks
2020-01-31 10:50                                                                                       ` Ben Dooks
2020-01-31 11:03                                                                                       ` Clemens Ladisch
2020-01-31 11:03                                                                                         ` [alsa-devel] " Clemens Ladisch
2020-01-29 10:49                                                           ` [alsa-devel] [Linux-kernel] [PATCH v5 2/7] ASoC: tegra: Allow 24bit and 32bit samples Jon Hunter
2020-01-29 10:49                                                             ` Jon Hunter
     [not found]                                                             ` <4b90efd2-5d0c-84df-961d-80cee288e0d4-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-29 14:33                                                               ` Jon Hunter
2020-01-29 14:33                                                                 ` Jon Hunter
     [not found]                                                                 ` <586ea2b9-c204-2bd1-f8e2-875e0974e42d-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-29 15:22                                                                   ` Dmitry Osipenko
2020-01-29 15:22                                                                     ` Dmitry Osipenko
2020-01-30  8:17                                                                   ` Ben Dooks
2020-01-30  8:17                                                                     ` Ben Dooks
     [not found]                                                                     ` <fe002ec7-ae6e-f770-b82a-49237e0b29c6-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-30 12:05                                                                       ` Jon Hunter
2020-01-30 12:05                                                                         ` Jon Hunter
     [not found]                                                                         ` <c01e6e09-d3ed-7c39-5a66-e25950f8bdcc-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-30 12:07                                                                           ` Ben Dooks
2020-01-30 12:07                                                                             ` Ben Dooks
     [not found]                                                                             ` <5898e2ed-1773-8f8f-b26b-d4613a8ad4de-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-30 13:09                                                                               ` Jon Hunter
2020-01-30 13:09                                                                                 ` Jon Hunter
2020-01-30 13:10                                                                       ` Mark Brown
2020-01-30 13:10                                                                         ` Mark Brown
     [not found]                                                                         ` <20200130131039.GC6682-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2020-03-19 15:32                                                                           ` Ben Dooks
2020-03-19 15:32                                                                             ` Ben Dooks
     [not found]                                                                             ` <1df9cc13ea636502ac09191523ff0669-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-03-20 14:18                                                                               ` Dmitry Osipenko
2020-03-20 14:18                                                                                 ` Dmitry Osipenko
2020-01-30  8:06                                                               ` Ben Dooks
2020-01-30  8:06                                                                 ` Ben Dooks
2020-01-29 17:52                                                           ` Ben Dooks
2020-01-29 17:52                                                             ` Ben Dooks
2020-01-28  8:58                                                     ` Ben Dooks
2020-01-28  8:58                                                       ` [alsa-devel] " Ben Dooks
2020-01-07 10:29                                     ` Jon Hunter
2020-01-07 10:29                                       ` [alsa-devel] " Jon Hunter
2020-01-07 10:35                                       ` Ben Dooks
2020-01-07 10:35                                         ` [alsa-devel] " Ben Dooks
     [not found]                                       ` <eb90ee78-e462-401a-de60-4a9bfc2a00c4-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-01-21 18:15                                         ` Ben Dooks
2020-01-21 18:15                                           ` Ben Dooks
     [not found]                                           ` <9fc97644-b679-ef9f-41ca-1d3a5f296f3a-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2020-01-21 18:54                                             ` Dmitry Osipenko
2020-01-21 18:54                                               ` Dmitry Osipenko
2019-10-18 15:48 ` [PATCH v5 3/7] ASoC: tegra: i2s: Add support for more than 2 channels Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-24 16:12   ` Jon Hunter
2019-10-24 16:12     ` [alsa-devel] " Jon Hunter
2019-10-24 19:18     ` Mark Brown [this message]
2019-10-24 19:18       ` Mark Brown
2019-10-25  7:48       ` Jon Hunter
2019-10-25  7:48         ` [alsa-devel] " Jon Hunter
2019-10-18 15:48 ` [PATCH v5 4/7] ASoC: tegra: disable rx_fifo after disable stream Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-24 16:12   ` Jon Hunter
2019-10-24 16:12     ` [alsa-devel] " Jon Hunter
2019-10-25 10:12   ` Applied "ASoC: tegra: disable rx_fifo after disable stream" to the asoc tree Mark Brown
2019-10-25 10:12     ` [alsa-devel] " Mark Brown
2019-10-18 15:48 ` [PATCH v5 5/7] ASoC: tegra: set i2s_offset to 0 for tdm Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-25  7:58   ` Jon Hunter
2019-10-25  7:58     ` [alsa-devel] " Jon Hunter
2019-10-18 15:48 ` [PATCH v5 6/7] ASoC: tegra: config fifos on hw_param changes Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-25  8:18   ` Jon Hunter
2019-10-25  8:18     ` [alsa-devel] " Jon Hunter
2019-10-18 15:48 ` [PATCH v5 7/7] ASoC: tegra: take packing settings from the audio cif_config Ben Dooks
2019-10-18 15:48   ` [alsa-devel] " Ben Dooks
2019-10-25  8:47   ` Jon Hunter
2019-10-25  8:47     ` [alsa-devel] " Jon Hunter

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