From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH] cs46xx, SPDIF output fixes, AC3 through IEC958 should work OK Date: Mon, 03 Mar 2003 12:33:58 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <3E62AEEF.7090109@cucumelo.org> Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <3E62AEEF.7090109@cucumelo.org> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Benny Sjostrand Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Mon, 03 Mar 2003 02:25:03 +0100, Benny Sjostrand wrote: > > [1 ] > Hi! > > With this patch AC3 through IEC958 should work OK, and synchronizations > problems with the SPDIF output should be gone. (about SPDIF input the > status is still the same) > > I've tested it with ogle 0.9, the AC3 stuff seems to work well, have > not tested with xine (yet). > > This patch adds a new DSP firmware routine, that makes it's possible to > DMA from host directly to the SPDIF output. This will affect all > playback on IEC958 device on 48khz, other rates will (should) work > exactly as before. > > - Added the cwcdma DSP firmware module > - Fixed a minor bug in cs46xx_iec958_pre_open(...) > - in cs46xx_dsp_enable_spdif_hw(...), disable SPDIF hw > before enabling, this seems to help solving the synchronization issue > - Some changes in cs46xx_dsp_create_pcm_channel(...) and > cs46xx_dsp_create_src_task_scb(...) to adapt to the new DSP firmware. > > Well, with the new firmware module I would consider this patch a little > bit experimental ;) thanks, applied to cvs. it's working fine on my DMX x-fire 1024. Takashi ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf