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From: Rene Rebe <rene.rebe@gmx.net>
To: alsa-devel@lists.sourceforge.net
Subject: [PATCH] pmac 48kHz sample rate not function -> disable
Date: Fri, 30 Jul 2004 16:56:44 +0200	[thread overview]
Message-ID: <410A61AC.80008@gmx.net> (raw)

[-- Attachment #1: Type: text/plain, Size: 465 bytes --]

Hi all,

48kHz sample rate is not functional - at least with all iBook2s I have 
access to. The hardware just does 44.1kHz instead. I have cross checking 
the Darwin source - but as far as I have seen it also does not support 
higher rates then 44.1kHz. Strange is, that any bit combination written 
does result in 44.1kHz. Maybe someone with access to the spec can 
implement it correctly - if the hardware does support something different.

Have fun,
  René Rebe

[-- Attachment #2: alsa-pmac3.patch --]
[-- Type: text/plain, Size: 602 bytes --]

--- ppc/pmac.c.orig	2004-08-01 01:09:36.820879352 +0200
+++ ppc/pmac.c	2004-07-31 17:40:45.512859128 +0200
@@ -53,7 +53,7 @@
 };
 /* fixed frequency table for tumbler */
 static int tumbler_freqs[2] = {
-	48000, 44100
+	/*48000,*/ 44100
 };
 
 /*
@@ -494,14 +494,14 @@
 	snd_pcm_runtime_t *runtime = subs->runtime;
 	int i, j, fflags;
 	static int typical_freqs[] = {
-		48000,
+		/*48000,*/
 		44100,
 		22050,
 		11025,
 		0,
 	};
 	static int typical_freq_flags[] = {
-		SNDRV_PCM_RATE_48000,
+		/*SNDRV_PCM_RATE_48000,*/
 		SNDRV_PCM_RATE_44100,
 		SNDRV_PCM_RATE_22050,
 		SNDRV_PCM_RATE_11025,



             reply	other threads:[~2004-07-30 14:56 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-30 14:56 Rene Rebe [this message]
2004-08-02 10:49 ` [PATCH] pmac 48kHz sample rate not function -> disable Takashi Iwai
2004-08-03 21:49   ` Niklas Werner
2004-08-04  9:38     ` Takashi Iwai

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