From patchwork Tue Jul 21 07:57:26 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Henningsson X-Patchwork-Id: 6832701 Return-Path: X-Original-To: patchwork-intel-gfx@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 CB0AF9FB50 for ; Tue, 21 Jul 2015 07:57:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEC6220606 for ; Tue, 21 Jul 2015 07:57:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 24B13205EC for ; Tue, 21 Jul 2015 07:57:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 67B346E8D3; Tue, 21 Jul 2015 00:57:37 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7EC6C6E8D1 for ; Tue, 21 Jul 2015 00:57:32 -0700 (PDT) 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 1ZHSQd-0005Kr-7e; Tue, 21 Jul 2015 07:57:31 +0000 From: David Henningsson To: alsa-devel@alsa-project.org, intel-gfx@lists.freedesktop.org, tiwai@suse.de, daniel.vetter@intel.com, jani.nikula@linux.intel.com Date: Tue, 21 Jul 2015 09:57:26 +0200 Message-Id: <1437465447-8974-4-git-send-email-david.henningsson@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1437465447-8974-1-git-send-email-david.henningsson@canonical.com> References: <1437465447-8974-1-git-send-email-david.henningsson@canonical.com> Cc: vinod.koul@intel.com, David Henningsson Subject: [Intel-gfx] [PATCH 3/4] ALSA: hda - Dispatch incoming HDMI hotplug i915 callback X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.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 | 24 ++++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index 4caf1fd..ce34182 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 (*hotplug_notify)(struct hdac_device *, + const struct i915_audio_hotplug_info *); + /* 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..134ef9c 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->cb_ops = NULL; + acomp->hdac_bus = NULL; module_put(acomp->ops->owner); component_unbind_all(dev, acomp); WARN_ON(acomp->ops || acomp->dev); @@ -128,6 +130,25 @@ static const struct component_master_ops hdac_component_master_ops = { .unbind = hdac_component_master_unbind, }; +static void i915_audio_component_hotplug_notify(struct hdac_bus *bus, + const struct i915_audio_hotplug_info *info) +{ + struct hdac_device *d; + + dev_dbg(bus->dev, "Received HDMI hotplug callback (connector = %d-%d, plugged in = %d)", + info->connector_type, info->connector_type_id, (int) info->plugged_in); + + list_for_each_entry(d, &bus->codec_list, list) { + if (d->hotplug_notify) + d->hotplug_notify(d, info); + } +} + +static const struct i915_audio_component_cb_ops i915_audio_component_cb_ops = { + .owner = THIS_MODULE, + .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 +184,9 @@ int snd_hdac_i915_init(struct hdac_bus *bus) ret = -ENODEV; goto out_master_del; } + acomp->cb_ops = &i915_audio_component_cb_ops; + acomp->hdac_bus = bus; + dev_dbg(dev, "bound to i915 component master\n"); return 0;