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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 0EC1BC433E0 for ; Mon, 8 Jun 2020 23:55:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCC3B2083B for ; Mon, 8 Jun 2020 23:55:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591660540; bh=sKZcWyp++va0RYlP8fE5B/2tUxL5JWyf+WqesDEiMhw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=arybXIJIzVuLaej/L1ZUuNgpj2cB0uUTqeLvGpG0Zc7JZZ6VFJ3T1nSIu6r4XG3vA 8jk0qBj+kDuwCTOdpbnlt1DUCMGYR9shPz/NxE45zRRDRfFvAx30wppAT9DAZxNK2u v/AI2EDZOvuA3LCSMA4AqdDX3U6JnDE+PLmY2jAY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387470AbgFHXX4 (ORCPT ); Mon, 8 Jun 2020 19:23:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:40982 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729566AbgFHXSk (ORCPT ); Mon, 8 Jun 2020 19:18:40 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7DD2420814; Mon, 8 Jun 2020 23:18:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591658320; bh=sKZcWyp++va0RYlP8fE5B/2tUxL5JWyf+WqesDEiMhw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uCYi31k4uBbxOVf+hC3aDZFjMjUcFn31D5K2np5nYvolR+V+IEEyxFLFBj+WiO43D FGXHFNdQqO8gdazk3eyER8PZJ5y9J0tVPC9KwyHwAlTZr3UpyZTydbDSqiHM3q9pMb Wy8jkAPL+YezWk09vmM1+IGC59Hihq6HLPzPjtHg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chris Chiu , Takashi Iwai , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.6 320/606] ALSA: usb-audio: mixer: volume quirk for ESS Technology Asus USB DAC Date: Mon, 8 Jun 2020 19:07:25 -0400 Message-Id: <20200608231211.3363633-320-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200608231211.3363633-1-sashal@kernel.org> References: <20200608231211.3363633-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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; } } -- 2.25.1