From: Sascha Hauer <s.hauer@pengutronix.de>
To: Sven Zeisberg <sven.zeisberg@googlemail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: imx-ssi in master mode?
Date: Fri, 27 Aug 2010 13:54:16 +0200 [thread overview]
Message-ID: <20100827115416.GD1473@pengutronix.de> (raw)
In-Reply-To: <4C768708.50903@googlemail.com>
On Thu, Aug 26, 2010 at 05:23:53PM +0200, Sven Zeisberg wrote:
> Hi
>
> I found that the i.MX25 can not transfer multichannels frames through
> SSI when it is set up as slave.
> (when the i.MX25 SSI is set up as slave, the SSI is set to "normal" mode
> in which only one word per frame is transfered)
>
> Now I'm wondering if anybody has successfully used a codec with the
> i.MX25 SSI set up as Master. When we do this here, we can see that the
> i.MX25 is generating the bit clock but no frame sync.
Master mode is currently not supported by the i.MX driver. You'd have to
implement the clk_get_rate functions for the ssi clocks first before
implementing the missing pieces in the driver.
Sascha
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next prev parent reply other threads:[~2010-08-27 11:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-26 15:23 imx-ssi in master mode? Sven Zeisberg
2010-08-27 11:54 ` Sascha Hauer [this message]
2010-08-30 6:32 ` Sven Zeisberg
-- strict thread matches above, loose matches on Subject: below --
2010-08-26 15:30 Sven Zeisberg
2010-08-27 1:15 ` Timur Tabi
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