From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756503Ab1BKNyo (ORCPT ); Fri, 11 Feb 2011 08:54:44 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:36538 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756424Ab1BKNym (ORCPT ); Fri, 11 Feb 2011 08:54:42 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; b=Z503O9isHGdrgApuRVRjfp/an5y/bYQDXnc9r10d0lW3lgpqsb55BGv624v2eZZreb fuzhbabN1gLdelEBT4akj25jUoLnJ5ElcFv/9jtHuk7JOSB62ssfYypf9D/lBYwYo6lY GbNM4SryVeWgNF2Voa3++OAcCFQJlkx0zGdkM= From: Wang Lei To: Takashi Iwai Cc: linux-kernel@vger.kernel.org, Jaroslav Kysela Subject: Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes References: <4d552a5a.03368e0a.5890.2b59@mx.google.com> <4d5532aa.0ae9640a.3773.316b@mx.google.com> Date: Fri, 11 Feb 2011 21:54:11 +0800 In-Reply-To: (Takashi Iwai's message of "Fri, 11 Feb 2011 14:25:03 +0100") Message-ID: <4d553fa1.23968e0a.09ce.3034@mx.google.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Takashi Iwai writes: > > It's not about the mixer operation. Check whether the interrupts of > the audio driver (in your case irq 16) increase during PCM playback. > > > Takashi Oh, yes. -------------------- 16: 776 277135 IO-APIC-fasteoi ahci, hda_intel -------------------- When I play a music, the interrupts increase(the upper line). Even when the sound is mute.