From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757647AbbE3JQV (ORCPT ); Sat, 30 May 2015 05:16:21 -0400 Received: from dcvr.yhbt.net ([64.71.152.64]:53153 "EHLO dcvr.yhbt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751038AbbE3JQN (ORCPT ); Sat, 30 May 2015 05:16:13 -0400 From: Eric Wong To: Takashi Iwai Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Eric Wong , Joe Turner Subject: [PATCH] ALSA: usb-audio: don't try to get Outlaw RR2150 sample rate Date: Sat, 30 May 2015 09:15:39 +0000 Message-Id: <1432977339-8918-1-git-send-email-normalperson@yhbt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This quirk allows us to avoid the noisy: current rate 0 is different from the runtime rate message every time playback starts. While USB DAC in the RR2150 supports reading the sample rate, it never returns a sample rate other than zero in my observation with common sample rates. Signed-off-by: Eric Wong Cc: Joe Turner Cc: Takashi Iwai --- sound/usb/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 32631a8..2ea5b33 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1118,6 +1118,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */ case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */ case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ + case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ return true; } return false; -- EW