From patchwork Mon Jun 1 17:54:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 225043 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D8CAC433E0 for ; Mon, 1 Jun 2020 18:15:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D2352068D for ; Mon, 1 Jun 2020 18:15:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591035347; bh=sKZcWyp++va0RYlP8fE5B/2tUxL5JWyf+WqesDEiMhw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VpPCGC8jwqnwRnKuKZ03HRk66HGonP4FMjN+KLjIaBERQgr1OpphxrdqSuP/MKUEy /ioJ+Zm/XlMuuSR+4Pgqiot6Fc89oexPYtmHErLpMeWZzSUoGg9Nl46Z0a/Sf7oh82 i+03kNdmtIEVGcnZhuPUZAQQFbsgFrs3J2+lriB4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731609AbgFASPp (ORCPT ); Mon, 1 Jun 2020 14:15:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:36128 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731317AbgFASPo (ORCPT ); Mon, 1 Jun 2020 14:15:44 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1F25E2065C; Mon, 1 Jun 2020 18:15:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591035343; bh=sKZcWyp++va0RYlP8fE5B/2tUxL5JWyf+WqesDEiMhw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qmGVotYzv9y6LWGQqiqhR6VCoS9qtwo4fJUwWzchbM1V2YxfkvUknmQAoNd+0c52/ XGHZs76Tqn76Iew5TVuEf7Ay4BDCpqelUFWM/bsSIBCruCsSLuBMQJ3R3W3JAHmHYc eY+8XnqXZlniVwzwlViNeHx8Y7lkG6S4lCljATHQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chris Chiu , Takashi Iwai , Sasha Levin Subject: [PATCH 5.6 116/177] ALSA: usb-audio: mixer: volume quirk for ESS Technology Asus USB DAC Date: Mon, 1 Jun 2020 19:54:14 +0200 Message-Id: <20200601174058.293139848@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601174048.468952319@linuxfoundation.org> References: <20200601174048.468952319@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chris Chiu [ Upstream commit 4020d1ccbe55bdf67b31d718d2400506eaf4b43f ] The Asus USB DAC is a USB type-C audio dongle for connecting to the headset and headphone. The volume minimum value -23040 which is 0xa600 in hexadecimal with the resolution value 1 indicates this should be endianness issue caused by the firmware bug. Add a volume quirk to fix the volume control problem. Also fixes this warning: Warning! Unlikely big volume range (=23040), cval->res is probably wrong. [5] FU [Headset Capture Volume] ch = 1, val = -23040/0/1 Warning! Unlikely big volume range (=23040), cval->res is probably wrong. [7] FU [Headset Playback Volume] ch = 1, val = -23040/0/1 Signed-off-by: Chris Chiu Cc: Link: https://lore.kernel.org/r/20200526062613.55401-1-chiu@endlessm.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/mixer.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 7a2961ad60de..68fefe55e5c0 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1171,6 +1171,14 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, cval->res = 384; } break; + case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */ + if ((strstr(kctl->id.name, "Playback Volume") != NULL) || + strstr(kctl->id.name, "Capture Volume") != NULL) { + cval->min >>= 8; + cval->max = 0; + cval->res = 1; + } + break; } }