From: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>
Subject: Re: [PATCH] ASoC: tlv320aic3x: Fix mono
Date: Tue, 29 Jan 2013 21:40:18 +0100 (CET) [thread overview]
Message-ID: <832331151.478537.1359492018900.JavaMail.root@advansee.com> (raw)
In-Reply-To: <20130129020128.GE4748@opensource.wolfsonmicro.com>
On Tuesday, January 29, 2013 3:01:32 AM, Mark Brown wrote:
> On Mon, Jan 28, 2013 at 10:03:40PM +0100, Benoît Thébaudeau wrote:
>
> > 1) snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);
> > -> all DAI formats: wrong sample rate for L/R, playing twice too fast
>
> > 2) snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffe, 0xffffffe, 1, 0);
> > -> all DAI formats: nothing on R, wrong sample rate for L, playing twice
> > too
> > fast, plus loud noise superimposed for LEFT_J
>
> Why are you having to call this in the first place?
For I²S, because the reference manual of the i.MX25 says that SSI.STCCR.DC
should be set to 1 (i.e. 2 channels) in this mode. This also allowed to test
several settings for mono.
For DSP modes, because stereo doesn't work without this call (right channel
missing).
> Anyway, I guess we do have a hardware limiation here so I'll apply the
> patch when you resend it.
OK. I have just resent it.
Best regards,
Benoît
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next prev parent reply other threads:[~2013-01-29 20:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-25 17:19 [PATCH] ASoC: tlv320aic3x: Fix mono Benoît Thébaudeau
2013-01-26 8:55 ` Mark Brown
2013-01-26 14:17 ` Benoît Thébaudeau
2013-01-27 2:58 ` Mark Brown
2013-01-28 21:03 ` Benoît Thébaudeau
2013-01-29 2:01 ` Mark Brown
2013-01-29 20:40 ` Benoît Thébaudeau [this message]
2013-01-30 2:11 ` Mark Brown
2013-01-30 11:17 ` Benoît Thébaudeau
2013-01-29 20:31 ` [PATCH v2] ASoC: tlv320aic3x: Remove mono support Benoît Thébaudeau
2013-01-30 2:15 ` Mark Brown
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