From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sebastian H." Subject: Re: Mixer volume/decibel mapping Date: Wed, 09 Jun 2010 12:26:01 +0200 Message-ID: <4C0F6C39.1080009@gmx.de> References: <201005191834.57919.vand2@gmx.de> <201005211018.41802.vand2@gmx.de> <4C0CB996.5010202@gmx.de> <4C0DDCF2.90308@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by alsa0.perex.cz (Postfix) with SMTP id D333B103927 for ; Wed, 9 Jun 2010 12:25:44 +0200 (CEST) In-Reply-To: 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 Am 08.06.2010 17:31, schrieb Raymond Yau: > 2010/6/8 Sebastian Holtermann > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Am 08.06.2010 03:03, schrieb Raymond Yau: >> >>> >>> >>> https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4883 >>> >>> Pekka Lampila reported that when he set -40dB and only get back -9999999 >> by >>> his program alsa_mixer_test.c >>> >>> I don't have emu10k1 so don't know whether this is a bug of alsa-lib or >> not >> >> I also get a big jump from -39.60dB to -99999.99 dB for some emu10k1 >> sliders when I move them to the minimum although their advertised >> minimum is -40dB. This looks like a way to express log ( 0 ). >> >> > it seem that only "Wave Master" has mute switch , the other "Wave Rear" , > "Wave Center/Lfe" and "Wave side" only have volume control > > Have you try the patch : emu10k1: allow high-resolution mixer controls > > > http://git.alsa-project.org/?p=alsa-kernel.git;a=commit;h=4daf7a0c0b3dd3c2e2ec829ecee8608d04d67773 alsa-compile.sh did not work out of the box because of "Cannot install kernel sources for unsupported distribution Debian" and I don't have the time to dig deeper into kernel module compiling right now.