From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akio Subject: Re: =?utf-8?q?about_sound/core/pcm=5Flib=2Ec=3A1997=3A_c?= =?utf-8?q?apture_read_error_=28DMA_or_IRQ_trouble=3F=29?= Date: Tue, 2 Oct 2007 11:37:24 +0000 (UTC) Message-ID: References: <1190787860.12924.1212641403@webmail.messagingengine.com> <1190877245.11159.1212855119@webmail.messagingengine.com> <1191221393.9447.1213434499@webmail.messagingengine.com> <1191324230.918.1213682039@webmail.messagingengine.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by alsa0.perex.cz (Postfix) with ESMTP id 9FFED24408 for ; Tue, 2 Oct 2007 13:38:00 +0200 (CEST) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1Icg4O-00036X-OW for alsa-devel@alsa-project.org; Tue, 02 Oct 2007 11:37:44 +0000 Received: from cache8000-1.itri.org.tw ([61.61.254.9]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 02 Oct 2007 11:37:44 +0000 Received: from akioolin by cache8000-1.itri.org.tw with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 02 Oct 2007 11:37:44 +0000 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org > > so the unit is samples not frames. does snd_pcm_prepare will reset > > the counter or not? > > You said that snd_pcm_prepare() returns -EIO, so I guess the driver > does not. you mean the drivers doesn't work very well when snd_pcm_prepare called. > > my platform is Freescale i.mx27 TO1, the audio driver is come from Freescale. > Then I'd suggest you'd ask Freescale. thank you very much. I'll ask Freescale to clarify this problem. > In any case I cannot help you if you don't tell me where to find the > source code of the driver. Actually I can give the driver. How do I give you the file? thank you very much. Best Regards, akio