From mboxrd@z Thu Jan 1 00:00:00 1970 From: Troy Kisky Subject: Re: [PATCH] ALSA: hda_intel: disable corb rirb when single_cmd active Date: Wed, 11 Nov 2009 12:05:39 -0700 Message-ID: <4AFB0B03.1010303@boundarydevices.com> References: <1257276157-7164-1-git-send-email-troy.kisky@boundarydevices.com> <4AF1D9D0.9080007@boundarydevices.com> <4AF32A8B.4050404@boundarydevices.com> <4AF4C6E7.8010807@boundarydevices.com> <4AF86F3F.9020709@boundarydevices.com> <4AF9D7EF.6000800@boundarydevices.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from smtpauth00.csee.onr.siteprotect.com (smtpauth00.csee.onr.siteprotect.com [64.26.60.144]) by alsa0.perex.cz (Postfix) with ESMTP id 1CEE924591 for ; Wed, 11 Nov 2009 20:05:54 +0100 (CET) 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: Takashi Iwai Cc: pshou@realtek.com.tw, alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Takashi Iwai wrote: > Yes, in theory. But this doesn't happen actually because you usually > read the response often. The read sequence synchronizes. > > Can resume type processing send a lot of verbs without waiting for a response? Speaking of synchronizing, if 2 different processes simultaneously send different command verbs to the same codec, won't they both read the response of the last verb sent? Or is there locking somewhere to prevent this? Troy