From patchwork Thu May 20 09:17:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 445794 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 6DA1CC433B4 for ; Thu, 20 May 2021 09:42:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E7B26194E for ; Thu, 20 May 2021 09:42:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233651AbhETJnX (ORCPT ); Thu, 20 May 2021 05:43:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:41964 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233466AbhETJlU (ORCPT ); Thu, 20 May 2021 05:41:20 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A0335613D3; Thu, 20 May 2021 09:32:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621503122; bh=ZFZj7zqLlgJf2AYq0Iq3dodE5RPSnKnrhETGVLB6wEA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BJZphS1XEQp6wXWk709JLWtmk9Z27tCnl6yqxbQQqWwQSqMrmTCAvhDfCuzu26iqK 2dfH732bhCiKeWhZj+MbdQLsj3j8hm4UjIiz1hhqhL7AspOEnAYG/rjriuae8Uli8f CzyLa26Fc2x/kzSxZQERP7ezDXQ34tVrkmREjscQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Timo Gurr , Takashi Iwai Subject: [PATCH 4.19 079/425] ALSA: usb-audio: Add dB range mapping for Sennheiser Communications Headset PC 8 Date: Thu, 20 May 2021 11:17:28 +0200 Message-Id: <20210520092134.038827502@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520092131.308959589@linuxfoundation.org> References: <20210520092131.308959589@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Timo Gurr commit ab2165e2e6ed17345ffa8ee88ca764e8788ebcd7 upstream. The decibel volume range contains a negative maximum value resulting in pipewire complaining about the device and effectivly having no sound output. The wrong values also resulted in the headset sounding muted already at a mixer level of about ~25%. PipeWire BugLink: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/1049 BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=212897 Signed-off-by: Timo Gurr Cc: Link: https://lore.kernel.org/r/20210503110822.10222-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/mixer_maps.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -351,6 +351,13 @@ static struct usbmix_name_map bose_compa { 0 } /* terminator */ }; +/* Sennheiser Communications Headset [PC 8], the dB value is reported as -6 negative maximum */ +static const struct usbmix_dB_map sennheiser_pc8_dB = {-9500, 0}; +static const struct usbmix_name_map sennheiser_pc8_map[] = { + { 9, NULL, .dB = &sennheiser_pc8_dB }, + { 0 } /* terminator */ +}; + /* * Dell usb dock with ALC4020 codec had a firmware problem where it got * screwed up when zero volume is passed; just skip it as a workaround @@ -633,5 +640,10 @@ static struct usbmix_ctl_map uac3_badd_u .id = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, .map = uac3_badd_speakerphone_map, }, + { + /* Sennheiser Communications Headset [PC 8] */ + .id = USB_ID(0x1395, 0x0025), + .map = sennheiser_pc8_map, + }, { 0 } /* terminator */ };