From: Nicolin Chen <nicoleotsuka@gmail.com>
To: Caleb Crome <caleb@crome.org>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
Markus Pargmann <mpa@pengutronix.de>,
"arnaud.mouiche@invoxia.com" <arnaud.mouiche@invoxia.com>,
Roberto Fichera <kernel@tekno-soft.it>,
"shawn.guo@linaro.org" <shawn.guo@linaro.org>
Subject: Re: fsl_ssi.c: Getting channel slips with fsl_ssi.c in TDM (network) mode.
Date: Fri, 30 Oct 2015 18:32:06 -0700 [thread overview]
Message-ID: <20151031013205.GA3525@Asurada-CZ80> (raw)
In-Reply-To: <CAG5mAdxNPKZw1_9HSKA0HrgzpZKOhq8dy2TZi095M9AibdcNCQ@mail.gmail.com>
On Fri, Oct 30, 2015 at 03:35:17PM -0700, Caleb Crome wrote:
> > **********************
> > ** Problem 2 *******
> > **********************
> I realized the problem with the dual fifo mode: it's that you had set
> the maxburst to 16 in your patch. I guess this must be the maxburst
> to a single fifo maybe? When I set the fual fifo maxburst back to 8,
> I get perfection again!
I actually set 16 for dual FIFO and tested with 2-channel playback.
Since you have dual FIFO right now, burst 8 doesn't hurt a lot as
SPBA should be a pretty dedicated bus from SDMA point of view. As
long as you don't have too many SPBA modules working with SDMA. It
should work for you.
next prev parent reply other threads:[~2015-10-31 1:32 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 15:55 fsl_ssi.c: Getting channel slips with fsl_ssi.c in TDM (network) mode Caleb Crome
2015-10-20 7:36 ` arnaud.mouiche
2015-10-20 17:43 ` Caleb Crome
2015-10-21 7:32 ` arnaud.mouiche
2015-10-21 19:37 ` Caleb Crome
2015-10-26 17:31 ` Caleb Crome
2015-10-27 7:13 ` Markus Pargmann
2015-10-27 9:41 ` Fabio Estevam
2015-10-27 16:02 ` Caleb Crome
2015-10-27 16:10 ` Fabio Estevam
2015-10-27 16:42 ` Caleb Crome
2015-10-27 16:45 ` Fabio Estevam
2015-10-27 18:57 ` Fabio Estevam
2015-10-28 8:11 ` Roberto Fichera
2015-10-28 13:59 ` Caleb Crome
2015-10-28 14:05 ` Roberto Fichera
2015-10-28 14:24 ` Caleb Crome
2015-10-28 14:48 ` Roberto Fichera
2015-10-28 22:09 ` Caleb Crome
2015-10-29 8:04 ` Roberto Fichera
2015-10-29 23:04 ` Nicolin Chen
2015-10-30 11:42 ` Roberto Fichera
2015-10-30 17:21 ` Nicolin Chen
2015-10-28 13:53 ` Caleb Crome
2015-10-27 20:11 ` Nicolin Chen
2015-10-28 8:23 ` Roberto Fichera
2015-10-29 23:05 ` Nicolin Chen
2015-10-28 22:06 ` Caleb Crome
2015-10-29 4:53 ` Nicolin Chen
2015-10-29 13:44 ` Caleb Crome
2015-10-29 14:55 ` Caleb Crome
2015-10-29 15:37 ` Roberto Fichera
2015-10-29 15:54 ` Caleb Crome
2015-10-29 16:02 ` Roberto Fichera
2015-10-29 16:19 ` Caleb Crome
2015-10-29 16:34 ` Roberto Fichera
2015-10-29 16:39 ` Caleb Crome
2015-10-29 16:59 ` Roberto Fichera
2015-10-29 18:36 ` Nicolin Chen
2015-10-29 19:08 ` Caleb Crome
2015-10-29 23:22 ` Nicolin Chen
2015-10-29 18:11 ` Nicolin Chen
2015-10-29 17:19 ` Nicolin Chen
2015-10-29 19:06 ` Caleb Crome
2015-10-29 19:28 ` Nicolin Chen
2015-10-29 22:23 ` Caleb Crome
2015-10-29 22:47 ` Nicolin Chen
2015-10-29 23:33 ` Caleb Crome
2015-10-30 1:29 ` Nicolin Chen
2015-10-30 8:29 ` arnaud.mouiche
2015-10-30 8:45 ` arnaud.mouiche
2015-10-30 16:07 ` Nicolin Chen
2015-10-30 15:49 ` Nicolin Chen
2015-10-30 18:10 ` Caleb Crome
2015-10-30 22:04 ` Caleb Crome
2015-10-30 22:35 ` Caleb Crome
2015-10-31 1:32 ` Nicolin Chen [this message]
2015-10-31 16:12 ` Caleb Crome
2015-10-31 1:48 ` Nicolin Chen
2015-10-31 16:22 ` Caleb Crome
2015-11-02 17:22 ` Nicolin Chen
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