From patchwork Mon Jan 16 17:57:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeeja KP X-Patchwork-Id: 9519683 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 EFA6F60244 for ; Tue, 17 Jan 2017 00:16:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D76D228161 for ; Tue, 17 Jan 2017 00:16:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CB831281C3; Tue, 17 Jan 2017 00:16:16 +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 0292928161 for ; Tue, 17 Jan 2017 00:16:15 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 6324E267409; Tue, 17 Jan 2017 01:16:13 +0100 (CET) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 9218226738D; Tue, 17 Jan 2017 01:13:54 +0100 (CET) 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 7945B267232; Mon, 16 Jan 2017 18:47:48 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id ABC6E26720A for ; Mon, 16 Jan 2017 18:47:46 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP; 16 Jan 2017 09:47:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,240,1477983600"; d="scan'208";a="31239849" Received: from kpjeeja-desk.iind.intel.com ([10.223.96.110]) by orsmga002.jf.intel.com with ESMTP; 16 Jan 2017 09:47:44 -0800 From: jeeja.kp@intel.com To: alsa-devel@alsa-project.org Date: Mon, 16 Jan 2017 23:27:40 +0530 Message-Id: <1484589477-7630-14-git-send-email-jeeja.kp@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1484589477-7630-1-git-send-email-jeeja.kp@intel.com> References: <1484589477-7630-1-git-send-email-jeeja.kp@intel.com> Cc: tiwai@suse.de, patches.audio@intel.com, broonie@kernel.org, liam.r.girdwood@intel.com, Jeeja KP Subject: [alsa-devel] [PATCH 13/30] ASoC: hdac_hdmi: Add support to handle MST capable pin 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 From: Jeeja KP To handle jack event and configuration of the pin widget for MST capable pin, this patch adds: o Flag to identify the pin is MST capable. o In notify callback(), based on the pipe and port information marks if the port is mst_capable. In case of non MST, port is defaulted to zero. Signed-off-by: Jeeja KP --- sound/soc/codecs/hdac_hdmi.c | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index f0e2857..3152b61 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -82,6 +82,7 @@ struct hdac_hdmi_eld { struct hdac_hdmi_pin { struct list_head head; hda_nid_t nid; + bool mst_capable; struct hdac_hdmi_port *ports; int num_ports; struct hdac_ext_device *edev; @@ -1065,14 +1066,22 @@ static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, struct hdac_hdmi_priv *hdmi = edev->private_data; struct hdac_hdmi_pcm *pcm; int size = 0; + int port_id = -1; if (!hdmi) return; + /* + * In case of non MST pin, get_eld info API expectes port + * to be -1. + */ mutex_lock(&hdmi->pin_mutex); port->eld.monitor_present = false; - size = snd_hdac_acomp_get_eld(&edev->hdac, pin->nid, -1, + if (pin->mst_capable) + port_id = port->id; + + size = snd_hdac_acomp_get_eld(&edev->hdac, pin->nid, port_id, &port->eld.monitor_present, port->eld.eld_buffer, ELD_MAX_SIZE); @@ -1167,6 +1176,7 @@ static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) return -ENOMEM; pin->nid = nid; + pin->mst_capable = false; pin->edev = edev; ret = hdac_hdmi_add_ports(hdmi, pin); if (ret < 0) @@ -1363,6 +1373,7 @@ static void hdac_hdmi_eld_notify_cb(void *aptr, int dport, int pipe) struct hdac_hdmi_pin *pin = NULL; struct hdac_hdmi_port *port = NULL; struct snd_soc_codec *codec = edev->scodec; + int i; /* Don't know how this mapping is derived */ hda_nid_t pin_nid = dport + 0x04; @@ -1388,13 +1399,23 @@ static void hdac_hdmi_eld_notify_cb(void *aptr, int dport, int pipe) continue; if (pipe == -1) { + pin->mst_capable = false; /* if not MST, default is port[0] */ port = &pin->ports[0]; - break; + goto out; + } else { + for (i = 0; i < pin->num_ports; i++) { + pin->mst_capable = true; + if (pin->ports[i].id == pipe) { + port = &pin->ports[i]; + goto out; + } + } } } - if (port) +out: + if (pin && port) hdac_hdmi_present_sense(pin, port); }