From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH] ucm: Document PlaybackPCMIsDummy and CapturePCMIsDummy values Date: Fri, 27 Jun 2014 14:23:08 +0200 Message-ID: References: <1403778625-4608-1-git-send-email-tanu.kaskinen@linux.intel.com> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 98469265284 for ; Fri, 27 Jun 2014 14:23:09 +0200 (CEST) In-Reply-To: <1403778625-4608-1-git-send-email-tanu.kaskinen@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Tanu Kaskinen Cc: alsa-devel@alsa-project.org, Mark Brown , Felipe Tonello , Liam Girdwood List-Id: alsa-devel@alsa-project.org At Thu, 26 Jun 2014 13:30:25 +0300, Tanu Kaskinen wrote: > > At least PulseAudio needs special handling for dummy devices. To allow > that to happen automatically, the UCM configuration should contain the > information about which PCMs are dummy. > > Signed-off-by: Tanu Kaskinen Thanks, applied with Liam's ack. Takashi > --- > include/use-case.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/use-case.h b/include/use-case.h > index 4e13249..f30168f 100644 > --- a/include/use-case.h > +++ b/include/use-case.h > @@ -258,7 +258,17 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, > * Recommended names for values: > * TQ - Tone Quality > * PlaybackPCM - full PCM playback device name > + * PlaybackPCMIsDummy - Valid values: "yes" and "no". If set to "yes", the > + * PCM named by the PlaybackPCM value is a dummy device, > + * meaning that opening it enables an audio path in the > + * hardware, but writing to the PCM device has no > + * effect. > * CapturePCM - full PCM capture device name > + * CapturePCMIsDummy - Valid values: "yes" and "no". If set to "yes", the > + * PCM named by the CapturePCM value is a dummy device, > + * meaning that opening it enables an audio path in the > + * hardware, but reading from the PCM device has no > + * effect. > * PlaybackRate - playback device sample rate > * PlaybackChannels - playback device channel count > * PlaybackCTL - playback control device name > -- > 1.9.3 > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel >