From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 8EB7C36AB53 for ; Wed, 4 Feb 2026 08:19:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770193153; cv=none; b=IGc3bMizSlWe/k+ltVnI8EpQjy1FJuICjWu+KFcD8c8ZkCVYA/taX1uSaRO82WKGBjPZREZTU5O6ahS4S1eetAzq6GfPLCBF7HH8NzdvQVTI465ab2iEQuDEXS8NAlBCT9Jg+yN1izhNUmGnzB3zXtegjPQjL5/j3yXfJkKMBJ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770193153; c=relaxed/simple; bh=XTOJpQxoZmfw+ttp25CYKBoDDDcAvUs1bXu6uyImMSs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=A9vYtuniErTdPsND1cUseiOn/ND9v7BVtgpJ799BjZxmnjt+T8YLHM1TbB+2h2rPOztDd7BVjwRfwp6iftZRmbt4SXMH17yVSMLjYcDynVEi1jzwDPUWFI+0XKzE82HAQgLyY3LJAJKOy+BWD7w2o6Be7yvsqxmMOEoeNOUmGKo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=FKqckjm1; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass 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="FKqckjm1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770193154; x=1801729154; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XTOJpQxoZmfw+ttp25CYKBoDDDcAvUs1bXu6uyImMSs=; b=FKqckjm1FlfqwWnB3JztRPRdlkahpMau3lQxKou+kJ3d+z5ybS8dsfvw Xn8gnjG+zB0oyIll2l2709ZPCOPhtpDr7t7JREQFKzuK6aB5qhLj0Esds T79zUn7q23xXMA1VA35RG700kXE8KPzZSditli5M7m7eMLvHeMC0vu01/ he1XD5hyALOLzm2mTchJ7EulX2jmxwT+UfyBC8ax9HKs25BAjlcSjjF2U +g2DLQ+SJgxHKOuWGDi5nZZxYjaQuOqa8Wnt/liU+U+Fn/za/uRrAnFpf DF7SVtmU/zhVB7r9a4k9qXSKJNIbysRN/MehizxY/wdT1lSO9IVOh6/Zp A==; X-CSE-ConnectionGUID: cqUUY/EERi2h+hjBEBNw8g== X-CSE-MsgGUID: b9emXet5T4CfHTx9NPelpg== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="94028530" X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="94028530" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2026 00:18:25 -0800 X-CSE-ConnectionGUID: HFjISK3WSLi0JF9+3eK7cw== X-CSE-MsgGUID: oLqHYaUITLSA8zWMyw1jLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="209893386" Received: from aotchere-mobl1.ger.corp.intel.com (HELO pujfalus-desk.intel.com) ([10.245.246.245]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2026 00:18:22 -0800 From: Peter Ujfalusi To: lgirdwood@gmail.com, broonie@kernel.org Cc: linux-sound@vger.kernel.org, kai.vehmanen@linux.intel.com, ranjani.sridharan@linux.intel.com, yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.dev, liam.r.girdwood@intel.com, mateuszx.redzynia@intel.com Subject: [PATCH 10/10] ASoC: SOF: Intel: hda: Add a virtual CPU DAI Date: Wed, 4 Feb 2026 10:18:33 +0200 Message-ID: <20260204081833.16630-11-peter.ujfalusi@linux.intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260204081833.16630-1-peter.ujfalusi@linux.intel.com> References: <20260204081833.16630-1-peter.ujfalusi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Ranjani Sridharan Add a virtual CPU DAI for loopback capture for echo reference implementation. We can't use the snd-soc-dummy-dai because it is already used for the bluetooth DAI link. Signed-off-by: Ranjani Sridharan Reviewed-by: Bard Liao Reviewed-by: Liam Girdwood Reviewed-by: Mateusz Redzynia Signed-off-by: Peter Ujfalusi --- sound/soc/sof/intel/hda-dai.c | 8 ++++++++ sound/soc/sof/intel/hda.h | 4 ++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 3c742d535133..15faedeec16d 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -866,6 +866,14 @@ struct snd_soc_dai_driver skl_dai[] = { .channels_max = 4, }, }, +{ + /* Virtual CPU DAI for Echo reference */ + .name = "Loopback Virtual Pin", + .capture = { + .channels_min = 1, + .channels_max = 2, + }, +}, #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) { .name = "iDisp1 Pin", diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 3be39c229c9f..6199002b0c13 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -418,10 +418,10 @@ (HDA_DSP_BDL_SIZE / sizeof(struct sof_intel_dsp_bdl)) /* Number of DAIs */ -#define SOF_SKL_NUM_DAIS_NOCODEC 8 +#define SOF_SKL_NUM_DAIS_NOCODEC 9 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) -#define SOF_SKL_NUM_DAIS 15 +#define SOF_SKL_NUM_DAIS 16 #else #define SOF_SKL_NUM_DAIS SOF_SKL_NUM_DAIS_NOCODEC #endif -- 2.52.0