From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Meaning of "pointer" operations Date: Fri, 22 Mar 2002 17:02:30 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: Mime-Version: 1.0 (generated by SEMI 1.14.3 - "Ushinoya") Content-Type: text/plain; charset=US-ASCII In-Reply-To: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Kasparek Tomas Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Hi, At Fri, 22 Mar 2002 11:09:20 +0100 (CET), Kasparek Tomas wrote: > > Hi all, > > I would like to ask you , ALSA gurus for some help. > > What is exact meaning if "pointer" operations. > > I know, that it should return offset in DMA buffer. What I'm not sure > about is unit - should the offset be in frames or in bytes. And should > it be offset against begin of DMA buffer (runtime->dma_addr) or > against actual period begin? - in frames - position from the DMA buffer start (not period boundary). > I'm writing ALSA driver for UDA1341 on Compaq iPAQ (H3600). It produce > some sound yet, but it's far from beeing usable. Actually I'm forking on > DMA part, and I got these messages from ALSA core (included in my debug > listing). If you could give me some hint, what this should be about, I > will be pleased :) (listing is a bit longer :( could you put the source somewhere on net? ciao, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-devel