From patchwork Mon Nov 27 13:02:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 13469518 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="gLXFRn1H" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFA1E198 for ; Mon, 27 Nov 2023 05:02:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701090163; x=1732626163; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MKeHYQIcm37ccjV6yff59a6zCUoujh/0QydqqvKlRA8=; b=gLXFRn1HWnnThf8gcD8CXj7NP+hOZTIuDKV+nXEis8QEuu/DjUbD9BY3 +U7/H7Zj9AACN3irPEMm8Js+kN2Cqf2u/bHF4fFf/9bpX8cE8dl3FkfMA 3f5ZtY0TonqsebOMAmIyswNf/5AsPilaDg1rr1fbwtJu5fhSXGfAmwBPI 9mO3ebpDwFYZuw/JSM0IbXB8I8ERhwgp16itjGaK4YN+wcsF/yEaLcwkN RQsbVgHyjWthEsqO1Odh8b6vpM4nhEzwkQMmDY6r3e1rouNgJpoAljoeO JtwjN34ja4IcV7CghNKKFqf9JPBhXD9V8ilCtdloU/fpYfdCUFG7UOP4B Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10906"; a="391568036" X-IronPort-AV: E=Sophos;i="6.04,230,1695711600"; d="scan'208";a="391568036" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2023 05:02:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10906"; a="797228703" X-IronPort-AV: E=Sophos;i="6.04,230,1695711600"; d="scan'208";a="797228703" Received: from acornagl-mobl.ger.corp.intel.com (HELO pujfalus-desk.ger.corp.intel.com) ([10.252.58.144]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2023 05:02:13 -0800 From: Peter Ujfalusi To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Cc: alsa-devel@alsa-project.org, linux-sound@vger.kernel.org, pierre-louis.bossart@linux.intel.com, kai.vehmanen@linux.intel.com, ranjani.sridharan@linux.intel.com Subject: [PATCH 1/2] ALSA: hda/hdmi: Add helper function to check if a device is HDMI codec Date: Mon, 27 Nov 2023 15:02:44 +0200 Message-ID: <20231127130245.24295-2-peter.ujfalusi@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231127130245.24295-1-peter.ujfalusi@linux.intel.com> References: <20231127130245.24295-1-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 The snd_hda_device_is_hdmi() can be used in drivers to check if the hdev belongs to a display audio device. Signed-off-by: Peter Ujfalusi Reviewed-by: Pierre-Louis Bossart Reviewed-by: Kai Vehmanen --- include/sound/hdaudio.h | 10 ++++++++++ sound/pci/hda/patch_hdmi.c | 13 +++++++++++++ 2 files changed, 23 insertions(+) diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index dd7c87bbc613..cf5483d6b5b7 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -158,6 +158,16 @@ bool snd_hdac_check_power_state(struct hdac_device *hdac, hda_nid_t nid, unsigned int target_state); unsigned int snd_hdac_sync_power_state(struct hdac_device *hdac, hda_nid_t nid, unsigned int target_state); + +#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) +bool snd_hda_device_is_hdmi(struct hdac_device *hdev); +#else +static inline bool snd_hda_device_is_hdmi(struct hdac_device *hdev) +{ + return false; +} +#endif + /** * snd_hdac_read_parm - read a codec parameter * @codec: the codec object diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 1cde2a69bdb4..d6943575c8c7 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -4645,6 +4645,19 @@ HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi), }; MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi); +bool snd_hda_device_is_hdmi(struct hdac_device *hdev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(snd_hda_id_hdmi); i++) { + if (snd_hda_id_hdmi[i].vendor_id == hdev->vendor_id) + return true; + } + + return false; +} +EXPORT_SYMBOL_GPL(snd_hda_device_is_hdmi); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("HDMI HD-audio codec"); MODULE_ALIAS("snd-hda-codec-intelhdmi");