From mboxrd@z Thu Jan 1 00:00:00 1970 From: Naveen M Subject: [PATCH v2 2/6] ASoC: Intel: Create a helper to search for matching machine Date: Thu, 11 May 2017 18:02:20 +0530 Message-ID: <1494505944-31378-3-git-send-email-naveen.m@intel.com> References: <1494505944-31378-1-git-send-email-naveen.m@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by alsa0.perex.cz (Postfix) with ESMTP id 7FEC3266CAF for ; Thu, 11 May 2017 14:32:28 +0200 (CEST) In-Reply-To: <1494505944-31378-1-git-send-email-naveen.m@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org Cc: tiwai@suse.de, liam.r.girdwood@linux.intel.com, vinod.koul@intel.com, broonie@kernel.org, naveen.m@intel.com, Harsha Priya , pierre-louis.bossart@intel.com List-Id: alsa-devel@alsa-project.org 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; } -- 1.9.1