From patchwork Tue Apr 12 09:56:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Subhransu S. Prusty" X-Patchwork-Id: 8808581 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6D24A9F54F for ; Tue, 12 Apr 2016 09:57:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A6E9220320 for ; Tue, 12 Apr 2016 09:57:55 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 73A722021A for ; Tue, 12 Apr 2016 09:57:54 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 9B239265DAB; Tue, 12 Apr 2016 11:57:52 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id B037A265347; Tue, 12 Apr 2016 11:57:20 +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 2E6A0265177; Tue, 12 Apr 2016 11:57:19 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id EA147265177 for ; Tue, 12 Apr 2016 11:57:11 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP; 12 Apr 2016 02:57:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,473,1455004800"; d="scan'208";a="684893626" Received: from subhransu-desktop.iind.intel.com ([10.223.96.24]) by FMSMGA003.fm.intel.com with ESMTP; 12 Apr 2016 02:57:10 -0700 From: "Subhransu S. Prusty" To: alsa-devel@alsa-project.org Date: Tue, 12 Apr 2016 15:26:09 +0530 Message-Id: <1460454977-30057-2-git-send-email-subhransu.s.prusty@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1460454977-30057-1-git-send-email-subhransu.s.prusty@intel.com> References: <1460454977-30057-1-git-send-email-subhransu.s.prusty@intel.com> Cc: tiwai@suse.de, lgirdwood@gmail.com, patches.audio@intel.com, broonie@kernel.org, Vinod Koul , "Subhransu S. Prusty" Subject: [alsa-devel] [PATCH v2 1/9] ASoC: hdac_hdmi: parse eld for channel map capability 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 This patch parses ELD speaker allocation data block to find sink's chmap capability. Signed-off-by: Subhransu S. Prusty Signed-off-by: Vinod Koul --- sound/soc/codecs/hdac_hdmi.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index aaa038f..81ac173 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -60,11 +60,17 @@ struct hdac_hdmi_cvt { struct hdac_hdmi_cvt_params params; }; +/* Currently only spk_alloc, more to be added */ +struct hdac_hdmi_parsed_eld { + u8 spk_alloc; +}; + struct hdac_hdmi_eld { bool monitor_present; bool eld_valid; int eld_size; char eld_buffer[ELD_MAX_SIZE]; + struct hdac_hdmi_parsed_eld info; }; struct hdac_hdmi_pin { @@ -1008,6 +1014,12 @@ static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); } +static void hdac_hdmi_parse_eld(struct hdac_ext_device *edev, + struct hdac_hdmi_pin *pin) +{ + pin->eld.info.spk_alloc = pin->eld.eld_buffer[DRM_ELD_SPEAKER]; +} + static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) { struct hdac_ext_device *edev = pin->edev; @@ -1065,6 +1077,7 @@ static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll) snd_jack_report(pcm->jack, SND_JACK_AVOUT); } + hdac_hdmi_parse_eld(edev, pin); print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET, pin->eld.eld_buffer, pin->eld.eld_size);