From patchwork Mon May 15 08:12:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naveen M X-Patchwork-Id: 9726335 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 38109601E7 for ; Mon, 15 May 2017 08:13:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27C1328918 for ; Mon, 15 May 2017 08:13:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1C5B628970; Mon, 15 May 2017 08:13:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5110A28918 for ; Mon, 15 May 2017 08:13:23 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id D52BD2672AF; Mon, 15 May 2017 10:12:29 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 4DFA6267321; Mon, 15 May 2017 10:12:28 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by alsa0.perex.cz (Postfix) with ESMTP id 45CC82672A8 for ; Mon, 15 May 2017 10:12:22 +0200 (CEST) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 May 2017 01:12:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,343,1491289200"; d="scan'208";a="87489864" Received: from unknown (HELO localhost.localdomain) ([10.223.165.72]) by orsmga004.jf.intel.com with ESMTP; 15 May 2017 01:12:19 -0700 From: Naveen M To: alsa-devel@alsa-project.org Date: Mon, 15 May 2017 13:42:13 +0530 Message-Id: <1494835937-22068-4-git-send-email-naveen.m@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1494835937-22068-1-git-send-email-naveen.m@intel.com> References: <1494835937-22068-1-git-send-email-naveen.m@intel.com> Cc: vinod.koul@intel.com, liam.r.girdwood@linux.intel.com, tiwai@suse.de, broonie@kernel.org, naveen.m@intel.com, Harsha Priya , pierre-louis.bossart@intel.com Subject: [alsa-devel] [PATCH v3 3/7] ASoC: Intel: Create a helper to search for matching machine X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Create a helper function to search for a matching machine based on HID. No functional change Signed-off-by: Naveen M Signed-off-by: Harsha Priya --- sound/soc/intel/common/sst-acpi.h | 3 +++ sound/soc/intel/common/sst-match-acpi.c | 19 +++++++++++++++---- 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/sound/soc/intel/common/sst-acpi.h b/sound/soc/intel/common/sst-acpi.h index 214e000..3649d3b 100644 --- a/sound/soc/intel/common/sst-acpi.h +++ b/sound/soc/intel/common/sst-acpi.h @@ -43,6 +43,9 @@ static inline bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN], /* acpi match */ struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines); +/* acpi check hid */ +bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN]); + /* Descriptor for SST ASoC machine driver */ struct sst_acpi_mach { /* ACPI ID for the matching machine driver. Audio codec for instance */ diff --git a/sound/soc/intel/common/sst-match-acpi.c b/sound/soc/intel/common/sst-match-acpi.c index 1070f3a..f4af3d1 100644 --- a/sound/soc/intel/common/sst-match-acpi.c +++ b/sound/soc/intel/common/sst-match-acpi.c @@ -63,15 +63,26 @@ static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level, return AE_OK; } +bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN]) +{ + acpi_status status; + bool found = false; + + status = acpi_get_devices(hid, sst_acpi_mach_match, &found, NULL); + + if (ACPI_FAILURE(status)) + return false; + + return found; +} +EXPORT_SYMBOL_GPL(sst_acpi_check_hid); + struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines) { struct sst_acpi_mach *mach; - bool found = false; for (mach = machines; mach->id[0]; mach++) - if (ACPI_SUCCESS(acpi_get_devices(mach->id, - sst_acpi_mach_match, - &found, NULL)) && found) + if (sst_acpi_check_hid(mach->id) == true) return mach; return NULL; }