From patchwork Tue Mar 26 16:04:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 13604577 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 A372713C8FC for ; Tue, 26 Mar 2024 16:05:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711469129; cv=none; b=AEqW/Jb5SnH/P1UlKBNqlMbJkWGy6o6dvYF84aw7h/xBGUxDcHSJchuoS7+ouROHuuLd1tPz94sgvY6aNOzmVY4nYyZNAQ8XHCZJ7S/tzb4kfTDb/CLVmtEEbo7msdtO8A7LZI+yMPvJz4HNlQeGYJP0qQV9TALfjIb4RtsBBB8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711469129; c=relaxed/simple; bh=IC2RlwDvtxL8qrJSQldmoJ23HS9asJZ5NZo+X58uK6k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UYCynJ9pm4cXZM833MA/qZV3TGwEq2yrdNr8M4aA9Ao7AsDQfuCXlwGZTGlEWnx/o5WT3ir8wD5JnUzDXZb6KbrnQPGBbZMdbgoeR4U7XrGK3NSrWHSTvAgWV4SWdGKGta+5wSR/kz9moQa1NU0CjYeghjdnt9yYHCuc82S77c8= 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=KofSkngc; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=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="KofSkngc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711469125; x=1743005125; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=IC2RlwDvtxL8qrJSQldmoJ23HS9asJZ5NZo+X58uK6k=; b=KofSkngcvszzvhMe1Rjq4CWyan9HPMuqjziVn1wM0y0kamPN87Yi+Aw1 oJWglVaCjSzmaTv6ih+hmbhriYdpQA43JqBNiUO8t+jK9G+s+w3qIrLtf hxvrP1M4mThF+1ssCGYvK0AY7l3cFqXuRaveN/UKChDmbw22tarsxv/7R vi808mHToTUdwUCk51afD/KDkCjKqDREzKybkH/B4FKf85rQxXMx4jml/ a/Xz920TsBkMy0Xar5+XeqfPW4p5XyaLqd6K0fdp37nsdyiap+xwHI52g f2YxTf1GE7keAcp63cdg2plHt10w8+7WnEQoGpCQZ7knwfAexMSd/1i8W w==; X-CSE-ConnectionGUID: kMWGQL1mR7uWvufGkSxc+w== X-CSE-MsgGUID: +MoJgk5cQHeLKWQnKBXuwg== X-IronPort-AV: E=McAfee;i="6600,9927,11025"; a="17260374" X-IronPort-AV: E=Sophos;i="6.07,156,1708416000"; d="scan'208";a="17260374" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2024 09:04:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,156,1708416000"; d="scan'208";a="20482188" Received: from bhubbert-mobl.amr.corp.intel.com (HELO pbossart-mobl6.intel.com) ([10.212.65.108]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2024 09:04:47 -0700 From: Pierre-Louis Bossart To: linux-sound@vger.kernel.org Cc: alsa-devel@alsa-project.org, tiwai@suse.de, broonie@kernel.org, Charles Keepax , Richard Fitzgerald , Shuming Fan , Jack Yu , Oder Chiou , Bard liao , Pierre-Louis Bossart Subject: [PATCH 08/34] ASoC: Intel: sof_sdw: Only pass dai_link pointer around Date: Tue, 26 Mar 2024 11:04:03 -0500 Message-Id: <20240326160429.13560-9-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240326160429.13560-1-pierre-louis.bossart@linux.intel.com> References: <20240326160429.13560-1-pierre-louis.bossart@linux.intel.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Charles Keepax Rather than passing around a pointer to the dai_link array and an index into this array, simply pass a pointer to the current dai_link. Also move the DAI link pointer sanity check to the end of the DAI link creation, and change it to a warn on. This check should only be hit if there is a serious bug in the machine driver, so checking it on each iteration is excessive. Reviewed-by: Bard Liao Signed-off-by: Charles Keepax Signed-off-by: Pierre-Louis Bossart --- sound/soc/intel/boards/sof_sdw.c | 62 +++++++++++++++----------------- 1 file changed, 29 insertions(+), 33 deletions(-) diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 5557db68a002..0ffa6e36dbed 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -1459,8 +1459,8 @@ static int sof_sdw_rtd_init(struct snd_soc_pcm_runtime *rtd) static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"}; -static int create_sdw_dailink(struct snd_soc_card *card, int *link_index, - struct snd_soc_dai_link *dai_links, int sdw_be_num, +static int create_sdw_dailink(struct snd_soc_card *card, + struct snd_soc_dai_link **dai_links, const struct snd_soc_acpi_link_adr *adr_link, struct snd_soc_codec_conf **codec_conf, int *be_id, int adr_index, int dai_index) @@ -1597,35 +1597,28 @@ static int create_sdw_dailink(struct snd_soc_card *card, int *link_index, cpus[k].dai_name = cpu_name; } - /* - * We create sdw dai links at first stage, so link index should - * not be larger than sdw_be_num - */ - if (*link_index >= sdw_be_num) { - dev_err(dev, "invalid dai link index %d\n", *link_index); - return -EINVAL; - } - playback = (stream == SNDRV_PCM_STREAM_PLAYBACK); capture = (stream == SNDRV_PCM_STREAM_CAPTURE); - init_dai_link(dev, dai_links + *link_index, be_id, name, - playback, capture, cpus, cpu_dai_num, codecs, codec_num, + init_dai_link(dev, *dai_links, be_id, name, playback, capture, + cpus, cpu_dai_num, codecs, codec_num, sof_sdw_rtd_init, &sdw_ops); /* * SoundWire DAILINKs use 'stream' functions and Bank Switch operations * based on wait_for_completion(), tag them as 'nonatomic'. */ - dai_links[*link_index].nonatomic = true; - dai_links[*link_index].ch_maps = sdw_codec_ch_maps; + (*dai_links)->nonatomic = true; + (*dai_links)->ch_maps = sdw_codec_ch_maps; - ret = set_codec_init_func(card, adr_link, dai_links + (*link_index)++, + ret = set_codec_init_func(card, adr_link, *dai_links, playback, group_id, adr_index, dai_index); if (ret < 0) { dev_err(dev, "failed to init codec 0x%x\n", codec_info->part_id); return ret; } + + (*dai_links)++; } return 0; @@ -1646,7 +1639,7 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) int codec_conf_num = 0; bool group_generated[SDW_MAX_GROUPS] = { }; struct snd_soc_dai_link *dai_links; - int num_links, link_index = 0; + int num_links; char *name, *cpu_dai_name; char *codec_name, *codec_dai_name; int i, j, be_id = 0; @@ -1703,6 +1696,8 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) if (!codec_conf) return -ENOMEM; + card->dai_link = dai_links; + card->num_links = num_links; card->codec_conf = codec_conf; card->num_configs = codec_conf_num; @@ -1762,12 +1757,13 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) for (j = 0; j < codec_info->dai_num ; j++) { int current_be_id; - ret = create_sdw_dailink(card, &link_index, dai_links, - sdw_be_num, adr_link, + ret = create_sdw_dailink(card, &dai_links, adr_link, &codec_conf, ¤t_be_id, i, j); if (ret < 0) { - dev_err(dev, "failed to create dai link %d\n", link_index); + dev_err(dev, + "failed to create dai link %d on 0x%x\n", + j, codec_info->part_id); return ret; } @@ -1800,19 +1796,18 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) playback = ssp_info->dais[0].direction[SNDRV_PCM_STREAM_PLAYBACK]; capture = ssp_info->dais[0].direction[SNDRV_PCM_STREAM_CAPTURE]; - ret = init_simple_dai_link(dev, dai_links + link_index, &be_id, name, + ret = init_simple_dai_link(dev, dai_links, &be_id, name, playback, capture, cpu_dai_name, codec_name, ssp_info->dais[0].dai_name, NULL, ssp_info->ops); if (ret) return ret; - ret = ssp_info->dais[0].init(card, NULL, dai_links + link_index, - ssp_info, 0); + ret = ssp_info->dais[0].init(card, NULL, dai_links, ssp_info, 0); if (ret < 0) return ret; - link_index++; + dai_links++; } DMIC: @@ -1823,16 +1818,16 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) goto HDMI; } - ret = init_simple_dai_link(dev, dai_links + link_index, &be_id, "dmic01", + ret = init_simple_dai_link(dev, dai_links, &be_id, "dmic01", 0, 1, // DMIC only supports capture "DMIC01 Pin", "dmic-codec", "dmic-hifi", sof_sdw_dmic_init, NULL); if (ret) return ret; - link_index++; + dai_links++; - ret = init_simple_dai_link(dev, dai_links + link_index, &be_id, "dmic16k", + ret = init_simple_dai_link(dev, dai_links, &be_id, "dmic16k", 0, 1, // DMIC only supports capture "DMIC16k Pin", "dmic-codec", "dmic-hifi", /* don't call sof_sdw_dmic_init() twice */ @@ -1840,7 +1835,7 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) if (ret) return ret; - link_index++; + dai_links++; } HDMI: @@ -1858,14 +1853,14 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) codec_dai_name = "snd-soc-dummy-dai"; } - ret = init_simple_dai_link(dev, dai_links + link_index, &be_id, name, + ret = init_simple_dai_link(dev, dai_links, &be_id, name, 1, 0, // HDMI only supports playback cpu_dai_name, codec_name, codec_dai_name, i == 0 ? sof_sdw_hdmi_init : NULL, NULL); if (ret) return ret; - link_index++; + dai_links++; } if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) { @@ -1875,15 +1870,16 @@ static int sof_card_dai_links_create(struct snd_soc_card *card) name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port); cpu_dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port); - ret = init_simple_dai_link(dev, dai_links + link_index, &be_id, name, + ret = init_simple_dai_link(dev, dai_links, &be_id, name, 1, 1, cpu_dai_name, snd_soc_dummy_dlc.name, snd_soc_dummy_dlc.dai_name, NULL, NULL); if (ret) return ret; + + dai_links++; } - card->dai_link = dai_links; - card->num_links = num_links; + WARN_ON(dai_links != card->dai_link + card->num_links); return 0; }