From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 750AD85266; Wed, 8 May 2024 13:16:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715174174; cv=none; b=ScMHKZZ/uIOCWQiNtpZ9eAcN4BNcOncr/aN+bCLbwswRb6zA7BFJ999UJPEiPVvge98w2jGkQfbwjg/la6KDIQ4xnhVcE/ZmSMzdfupC9HkBrvj2LQmHGYRPaA1FSq3qVFWw9UnmadiJWw6X0ixf+zx6tEIkkAyRTCcP36a8wzM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715174174; c=relaxed/simple; bh=E0Uv0/y9SRIfHmzAsDzPPoXeAyXGIWKGuhPGfCi6mjU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=t8yC2ULrZSwYELBYlTqcW3iVMZQtlqi/uqgCUOaf5L/9zYbgQXPejs6r/t1WdPYaRQAjLlrx/238GU7ohDK4DiOZ1aDpuHuz/ZlN9X1kA3rSYfJkTp7+qSuFnUnB3qPBpxF2YlrHTdPEZ+5lu9a77mvkNkji790PI2ekdtQrSkc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=holQK5JH; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="holQK5JH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715174172; x=1746710172; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=E0Uv0/y9SRIfHmzAsDzPPoXeAyXGIWKGuhPGfCi6mjU=; b=holQK5JH8on/WeWFZ66/hSRM7zDK0Te5waiwyakKRy3hXIXKXKOurIii HNsM+8V5gOU3XZAeYf4YbnC3oX20pwS2DxCUP/t8W+4lbzlapwrsHuPkp Eh9eQ6X0BkqEhRWDN6io9shGk/rHEJf8nW9k46oiGqrTqKYlMZaWxHvEg Uh5jT/hswRsUW9XV6yiXLjtAHc4NQVuWJEvwZfp4Ql03c6dRUZ4c6eDxB SKh1vEYJ4mgT++dHvoHUxUIx6cRgfMeAZrAO6irifK8r8XfRot10x9qcP Pa2U++Od60b47r78wfUUeElFVEKQbZEkw0Kx+p0vFEZmmMR9zY4N9g0nY Q==; X-CSE-ConnectionGUID: giZoyUoEQDWwbOzpWBU3FA== X-CSE-MsgGUID: CQsR+0EOTdqIV+KL1nvCPA== X-IronPort-AV: E=McAfee;i="6600,9927,11066"; a="36413225" X-IronPort-AV: E=Sophos;i="6.08,145,1712646000"; d="scan'208";a="36413225" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 06:16:12 -0700 X-CSE-ConnectionGUID: mCAmmzivQ0mn329nFX4BOA== X-CSE-MsgGUID: v9h/yVhhSMS2DKmDnbBcNw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,145,1712646000"; d="scan'208";a="33356756" Received: from sskolar-mobl.amr.corp.intel.com (HELO [10.212.67.115]) ([10.212.67.115]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 06:16:10 -0700 Message-ID: <84dc55a6-22d6-4d4f-8bce-62fa4e37702b@linux.intel.com> Date: Tue, 7 May 2024 15:39:47 -0500 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v21 11/39] ASoC: qcom: qdsp6: Add USB backend ASoC driver for Q6 To: Wesley Cheng , srinivas.kandagatla@linaro.org, mathias.nyman@intel.com, perex@perex.cz, conor+dt@kernel.org, corbet@lwn.net, lgirdwood@gmail.com, andersson@kernel.org, krzk+dt@kernel.org, gregkh@linuxfoundation.org, Thinh.Nguyen@synopsys.com, broonie@kernel.org, bgoswami@quicinc.com, tiwai@suse.com, bagasdotme@gmail.com, robh@kernel.org, konrad.dybcio@linaro.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-sound@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-doc@vger.kernel.org, alsa-devel@alsa-project.org References: <20240507195116.9464-1-quic_wcheng@quicinc.com> <20240507195116.9464-12-quic_wcheng@quicinc.com> Content-Language: en-US From: Pierre-Louis Bossart In-Reply-To: <20240507195116.9464-12-quic_wcheng@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit > +config SND_SOC_QDSP6_USB > + tristate "SoC ALSA USB offloading backing for QDSP6" > + depends on SND_SOC_USB > + help > + Adds support for USB offloading for QDSP6 ASoC > + based platform sound cards. This will enable the > + Q6USB DPCM backend DAI link, which will interact > + with the SoC USB framework to initialize a session > + with active USB SND devices. If this is set to 'n', don't you have a risk of the FE DAIs exposed in patch 9 not being connected to anything?