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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46E8DC433FE for ; Tue, 12 Oct 2021 02:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2AAFC60524 for ; Tue, 12 Oct 2021 02:47:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231863AbhJLCtY (ORCPT ); Mon, 11 Oct 2021 22:49:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231682AbhJLCtW (ORCPT ); Mon, 11 Oct 2021 22:49:22 -0400 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2258BC061570; Mon, 11 Oct 2021 19:47:18 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id t9so80015908lfd.1; Mon, 11 Oct 2021 19:47:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=9O4Co6QBwLVOkBI0LJyrQRb8YZ+pNiYDkLLMY/zEjBE=; b=BPWH55iRUxci7MR/86u3p9ZBkTXEiXRs1966jxUBGPt2ZpQBJ6vcQ6djbwnokaj3Xy 7FakdsnV5ugQuv+YXKBYlCwk8p6QMKe6PKP2iWoYi1anPw3TLAyTb9dKdPhR2891pqjn M3gX5JnXK4Y2SPlncSrRAl++Bp5eAuMJVqeD5nF9pJtW256stWh/agix4RBq/tPp5O+M qp5l7csNZ6ZfWORQXstkHUKGrYZ+Q9FlAgN3vscsTL7gq+pFcpoKb9mNqkNxw/Djin4d tDESlUHAqL8w9eVxuadpbwJvHPt0LzdPOgMDfh6QmYbQ3L6OoJzssneGsstfMiI0F6pQ g6Tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=9O4Co6QBwLVOkBI0LJyrQRb8YZ+pNiYDkLLMY/zEjBE=; b=0Gv2GazC90fm6B8GzGqYpEUxJUVo69TgOJGXFKarolWa+8X5McK577KMFjRV57lZeX 4oNYeyzTyAywoDkXURbulxA11Vb/kTGbIIvLp+c+CndrBdB6kG58nuCbBNckV3lGLYbD Sw03YvoO/oiHMddVvSm/C6NqB0L4WJDGC3j5AkUBeQ6gCIURtAhZY1dEIZzPP/hSXF/r uTD9ToQ7bCM5NVU/xoERE+wW5LNLoUo10kLvHj7YTF6ZG7kmso6EJ8O5NmE2YUT+ZoLW uysYxqb86ghzv2hgU46s8tTvblAxh7PQgBo7HGIJKL16tOf2DqzptWecQl5KQRyDwpMU eTAQ== X-Gm-Message-State: AOAM532jgwPM1gTMXpBTvPgTv+5658qsS47HrqeACXu975kupm0D/iC8 56zqKc29qwXl6zQ9B+dCLw7SS+qdd1eDoy7RRK0= X-Google-Smtp-Source: ABdhPJwL4hjIpyRx3qZJw+omSMkewzzTqEhB8DRkSJ7/FNh1tjRo/86P8DJiEw9D9gEUPczClE18Z9uuXFKUH8TOrBY= X-Received: by 2002:a2e:9e50:: with SMTP id g16mr20606392ljk.183.1634006836365; Mon, 11 Oct 2021 19:47:16 -0700 (PDT) MIME-Version: 1.0 References: <1633668612-25524-1-git-send-email-u0084500@gmail.com> <1633668612-25524-3-git-send-email-u0084500@gmail.com> In-Reply-To: From: ChiYuan Huang Date: Tue, 12 Oct 2021 10:47:05 +0800 Message-ID: Subject: Re: [PATCH v3 2/2] ASoC: rt9120: Add rt9210 audio amplifier support To: Mark Brown Cc: oder_chiou@realtek.com, perex@perex.cz, tiwai@suse.com, Rob Herring , Liam Girdwood , alsa-devel@alsa-project.org, lkml , cy_huang , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , allen lin Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Mark Brown =E6=96=BC 2021=E5=B9=B410=E6=9C=888=E6=97= =A5 =E9=80=B1=E4=BA=94 =E4=B8=8B=E5=8D=888:51=E5=AF=AB=E9=81=93=EF=BC=9A > > On Fri, Oct 08, 2021 at 12:50:12PM +0800, cy_huang wrote: > > > +static const struct snd_kcontrol_new rt9120_snd_controls[] =3D { > > + SOC_SINGLE_TLV("MS Volume", RT9120_REG_MSVOL, 0, 2047, 1, digital= _gain), > > + SOC_SINGLE("SPK Gain", RT9120_REG_SPKGAIN, 0, 7, 0), > > Volume controls should end in Volume even if they don't have TLV > information so applications know how to render them. I'll fix > this up as I apply. It's not linear mapping analog gain and cannot use the TLV as you said. Mappling table is listed like as below 0 -> 6dB 1 -> 8dB 2 -> 10dB 3 -> 12dB 4 -> 13dB 5 -> 14dB 6 -> 15dB 7 -> 16dB Do I just need to change it to 'SPK Gain Volume' to present this control it= em? Or is there any table mapping for the nonlinear TLV information?