From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09404C433FE for ; Mon, 18 Apr 2022 12:47:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237698AbiDRMuF (ORCPT ); Mon, 18 Apr 2022 08:50:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239768AbiDRMrh (ORCPT ); Mon, 18 Apr 2022 08:47:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B841D2A24F; Mon, 18 Apr 2022 05:33:15 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4817D61170; Mon, 18 Apr 2022 12:33:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F840C385A7; Mon, 18 Apr 2022 12:33:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650285194; bh=i4z+os5u3h4C2r/+ZIZBW6EK61j0wr3aOjEa0iZMvrY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JLUSYTMoOLp+aKHiDWTImuj91O3hKA8MGwUBGVw0R4lbh6bE59qL4H1X67muhZCx3 GmeuXfuOoJXMuCwe+ZzEU9vIQgIgEke/+nyX4sK65AuDyu56hbHEaYzqJkf0ilxABC BKb1ZuKRduT3uFhfyQYMrmsABVWFL0WjbtTfD/90= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jaroslav Kysela , Takashi Iwai , Sasha Levin Subject: [PATCH 5.15 094/189] ALSA: usb-audio: Increase max buffer size Date: Mon, 18 Apr 2022 14:11:54 +0200 Message-Id: <20220418121203.174073547@linuxfoundation.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220418121200.312988959@linuxfoundation.org> References: <20220418121200.312988959@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Takashi Iwai [ Upstream commit fee2ec8cceb33b8886bc5894fb07e0b2e34148af ] The current limit of max buffer size 1MB seems too small for modern devices with lots of channels and high sample rates. Let's make bigger, 4MB. Reviewed-by: Jaroslav Kysela Link: https://lore.kernel.org/r/20220407212740.17920-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 6fa9115e322b..866a82b69d8d 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -659,7 +659,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) #define hwc_debug(fmt, args...) do { } while(0) #endif -#define MAX_BUFFER_BYTES (1024 * 1024) +#define MAX_BUFFER_BYTES (4 * 1024 * 1024) #define MAX_PERIOD_BYTES (512 * 1024) static const struct snd_pcm_hardware snd_usb_hardware = -- 2.35.1