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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2CB07C48BF6 for ; Mon, 26 Feb 2024 12:43:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B775010F152; Mon, 26 Feb 2024 12:43:05 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jbo7vgTr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id DF5AC10F151 for ; Mon, 26 Feb 2024 12:43:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708951384; x=1740487384; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=z8lPSEjbSrtzAuUskaODEdGF5O7WHGh3H8vOdHVof2M=; b=jbo7vgTrntm1NQeHWbG0VCFXwoPAiAPToQ8S9qugayQSZHLKlU/Rz2Kc mPsJ4nUUT1xEAvdLJhhg61nEeCE2HMnQyVfjsSLNDVoMEkXjkT1ON9sI4 NZJ8U/cZCglXsVcIlRpNjKfs1r+kB9XI581adLLgWmacPXmPERUZN/kLg WHyM5XDLho8o4qFTIoYveiRYTI9S4c14tyXl6uF7kRAeibrG0dDiVYzJV ryxzE+G9j/SHzRxPjRGARXDef4YED5D46XrsPZ3TZZUPdvmf9rfz0WX+S o0y1FWv5KFDri2sfTIYDTmwW8uz/imItPotph4m+FZXk1Fx9ptHDlUIX8 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10995"; a="28658241" X-IronPort-AV: E=Sophos;i="6.06,185,1705392000"; d="scan'208";a="28658241" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2024 04:43:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,185,1705392000"; d="scan'208";a="6688613" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by orviesa009.jf.intel.com with ESMTP; 26 Feb 2024 04:43:01 -0800 From: Cezary Rojewski To: broonie@kernel.org Cc: alsa-devel@alsa-project.org, linux-sound@vger.kernel.org, tiwai@suse.com, perex@perex.cz, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, tvrtko.ursulin@linux.intel.com, intel-gfx@lists.freedesktop.org, amadeuszx.slawinski@linux.intel.com, pierre-louis.bossart@linux.intel.com, hdegoede@redhat.com, Cezary Rojewski Subject: [PATCH v3 2/5] ASoC: codecs: hda: Skip HDMI/DP registration if i915 is missing Date: Mon, 26 Feb 2024 13:44:29 +0100 Message-Id: <20240226124432.1203798-3-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240226124432.1203798-1-cezary.rojewski@intel.com> References: <20240226124432.1203798-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" If i915 does not support given platform but the hardware i.e.: HDAudio codec is still there, the codec-probing procedure will succeed for such device but the follow up initialization will always end up with -ENODEV. While bus could filter out address '2' which Intel's HDMI/DP codecs always enumerate on, more robust approach is to check for i915 presence before registering display codecs. Signed-off-by: Cezary Rojewski --- sound/soc/codecs/hda.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/codecs/hda.c b/sound/soc/codecs/hda.c index d2117e36ddd1..7c6bedeceaa2 100644 --- a/sound/soc/codecs/hda.c +++ b/sound/soc/codecs/hda.c @@ -350,6 +350,11 @@ static int hda_hdev_attach(struct hdac_device *hdev) struct hda_codec *codec = dev_to_hda_codec(&hdev->dev); struct snd_soc_component_driver *comp_drv; + if (hda_codec_is_display(codec) && !hdev->bus->audio_component) { + dev_dbg(&hdev->dev, "no i915, skip registration for 0x%08x\n", hdev->vendor_id); + return -ENODEV; + } + comp_drv = devm_kzalloc(&hdev->dev, sizeof(*comp_drv), GFP_KERNEL); if (!comp_drv) return -ENOMEM; -- 2.25.1