From: "stéphane cerveau" <scerveau@gmail.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
Subject: Re: IMX WM8740 I2S support
Date: Wed, 25 Sep 2013 15:56:54 +0200 [thread overview]
Message-ID: <5242EBA6.7080908@gmail.com> (raw)
In-Reply-To: <CAOMZO5DL6R8TR0=mH4kYVuJQcWo6vBPWVDSP21NMMpgrtfTXeg@mail.gmail.com>
Here is a log from the kernel:
imx-sdma imx-sdma: loaded firmware 1.1
imx-sdma imx-sdma: initialized
Best regards.
Stéphane
On 09/25/2013 03:12 PM, Fabio Estevam wrote:
> On Wed, Sep 25, 2013 at 10:08 AM, stéphane cerveau <scerveau@gmail.com> wrote:
>> Dear all,
>>
>> I'm currently working on supporting WM8740 device software configured with
>> imx6q system.
>> For now my driver seems to be configured correctly. The playback is launched
>> but i get:
>> ALSA sound/core/pcm_lib.c:1822 playback write error (DMA or IRQ trouble?
>> write error: Input/output error
> This may indicate that you are missing the SDMA firmware for the mx6.
> (linux/firmware/sdma/sdma-imx6q.bin)
>
> Starting on 3.12-rc1 you don't need the SDMA firmware for audio
> playback anymore.
>
> So I would suggest one of the above methods.
>
> Regards,
>
> Fabio Estevam
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next prev parent reply other threads:[~2013-09-25 13:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 13:08 IMX WM8740 I2S support stéphane cerveau
2013-09-25 13:12 ` Fabio Estevam
2013-09-25 13:54 ` stéphane cerveau
2013-09-25 13:56 ` stéphane cerveau [this message]
2013-09-25 16:37 ` Fabio Estevam
2013-09-25 16:42 ` stéphane cerveau
2013-09-25 16:53 ` Fabio Estevam
2013-09-25 16:58 ` stéphane cerveau
2013-09-25 17:02 ` Fabio Estevam
[not found] ` <524317D4.7020701@gmail.com>
2013-09-25 17:07 ` Fabio Estevam
2013-09-25 17:09 ` stéphane cerveau
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