From patchwork Thu Jul 23 15:26:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Henningsson X-Patchwork-Id: 6854321 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1212BC05AC for ; Thu, 23 Jul 2015 15:28:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 304ED2044B for ; Thu, 23 Jul 2015 15:28:58 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id E2E26205B9 for ; Thu, 23 Jul 2015 15:28:56 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id A84052659E1; Thu, 23 Jul 2015 17:28:55 +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, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 9C0642658F0; Thu, 23 Jul 2015 17:27:03 +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 85134265823; Thu, 23 Jul 2015 17:27:00 +0200 (CEST) Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by alsa0.perex.cz (Postfix) with ESMTP id 10785265823 for ; Thu, 23 Jul 2015 17:26:29 +0200 (CEST) Received: from 1.general.diwic.uk.vpn ([10.172.196.28] helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1ZIIOB-00026y-6E; Thu, 23 Jul 2015 15:26:27 +0000 From: David Henningsson To: vinod.koul@intel.com, jani.nikula@linux.intel.com, daniel.vetter@intel.com, tiwai@suse.de, intel-gfx@lists.freedesktop.org, alsa-devel@alsa-project.org Date: Thu, 23 Jul 2015 17:26:18 +0200 Message-Id: <1437665179-9786-4-git-send-email-david.henningsson@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1437665179-9786-1-git-send-email-david.henningsson@canonical.com> References: <1437665179-9786-1-git-send-email-david.henningsson@canonical.com> Cc: David Henningsson Subject: [alsa-devel] [PATCH 3/4] ALSA: hda - Dispatch incoming HDMI hotplug i915 callback 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 lets interested codec(s) be notified of HDMI hotplug events sent from the i915 driver. Signed-off-by: David Henningsson --- include/sound/hdaudio.h | 4 ++++ sound/hda/hdac_i915.c | 23 +++++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index 4caf1fd..8142d03 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -79,6 +79,10 @@ struct hdac_device { int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, unsigned int flags, unsigned int *res); + /* Used for hotplug notification from i915 driver */ + void (*i915_hotplug_notify)(struct hdac_device *, int port, + int port_mst_index); + /* widgets */ unsigned int num_nodes; hda_nid_t start_nid, end_nid; diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 5676b84..17295c2 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -118,6 +118,8 @@ static void hdac_component_master_unbind(struct device *dev) { struct i915_audio_component *acomp = hdac_acomp; + acomp->audio_ops = NULL; + acomp->audio_ptr = NULL; module_put(acomp->ops->owner); component_unbind_all(dev, acomp); WARN_ON(acomp->ops || acomp->dev); @@ -128,6 +130,24 @@ static const struct component_master_ops hdac_component_master_ops = { .unbind = hdac_component_master_unbind, }; +static void i915_audio_component_hotplug_notify(void *audio_ptr, + int port, int port_mst_index) +{ + struct hdac_device *d; + struct hdac_bus *bus = audio_ptr; + + dev_dbg(bus->dev, "i915 hotplug event (port = %d:%d)", + port, port_mst_index); + + list_for_each_entry(d, &bus->codec_list, list) + if (d->i915_hotplug_notify) + d->i915_hotplug_notify(d, port, port_mst_index); +} + +static const struct i915_audio_component_audio_ops i915_audio_component_audio_ops = { + .hotplug_notify = i915_audio_component_hotplug_notify, +}; + static int hdac_component_master_match(struct device *dev, void *data) { /* i915 is the only supported component */ @@ -163,6 +183,9 @@ int snd_hdac_i915_init(struct hdac_bus *bus) ret = -ENODEV; goto out_master_del; } + acomp->audio_ops = &i915_audio_component_audio_ops; + acomp->audio_ptr = bus; + dev_dbg(dev, "bound to i915 component master\n"); return 0;