From: Timur Tabi <timur@freescale.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org, broonie@opensource.wolfsonmicro.com,
lrg@ti.com
Subject: Re: [PATCH] [v2] ASoC: support all possible sample rates in the WM8776 driver
Date: Fri, 16 Sep 2011 10:47:39 -0500 [thread overview]
Message-ID: <4E736F9B.6080206@freescale.com> (raw)
In-Reply-To: <s5hwrd8jy68.wl%tiwai@suse.de>
Takashi Iwai wrote:
> It's not optimal from some aspects. Basically this should be resolved
> in hw_constraints, not in hw_params, so that the configurator can find
> the possible rates. Otherwise you have no idea what rate would be
> accepted.
Yes, I was concerned about that. So should I be calling one of the
snd_pcm_hw_constraint_xxx functions in the codec's .startup function? That
would require ASoC to call the machine driver's .startup function *before*
calling the codec driver's .startup function, since the machine driver's
.startup function is where I call the codec to tell it what the mclk frequency is.
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2011-09-16 15:48 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-16 14:16 [PATCH] [v2] ASoC: support all possible sample rates in the WM8776 driver Timur Tabi
2011-09-16 15:37 ` Takashi Iwai
2011-09-16 15:47 ` Timur Tabi [this message]
2011-09-16 16:26 ` Mark Brown
2011-09-16 16:33 ` Timur Tabi
2011-09-16 16:47 ` Mark Brown
2011-09-16 16:54 ` Timur Tabi
2011-09-16 16:27 ` Lars-Peter Clausen
2011-09-16 16:28 ` Mark Brown
2011-09-16 16:34 ` Timur Tabi
2011-09-16 17:46 ` Lars-Peter Clausen
2011-09-16 18:19 ` Timur Tabi
2011-09-17 13:27 ` Mark Brown
2011-09-16 16:44 ` Mark Brown
2011-09-16 16:47 ` Timur Tabi
2011-09-16 16:48 ` Mark Brown
2011-09-16 16:56 ` Timur Tabi
2011-09-16 17:13 ` Mark Brown
2011-09-16 18:25 ` Timur Tabi
2011-09-17 12:58 ` Mark Brown
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