From patchwork Fri Aug 28 17:02:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Henningsson X-Patchwork-Id: 7092681 Return-Path: X-Original-To: patchwork-intel-gfx@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 51910BEEC1 for ; Fri, 28 Aug 2015 17:02:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6F2202099A for ; Fri, 28 Aug 2015 17:02:43 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id B6A902099E for ; Fri, 28 Aug 2015 17:02:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2821972169; Fri, 28 Aug 2015 10:02:41 -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 E021C6EF4A for ; Fri, 28 Aug 2015 10:02:36 -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 1ZVN2x-0003kj-E4; Fri, 28 Aug 2015 17:02:35 +0000 From: David Henningsson To: tiwai@suse.de, alsa-devel@alsa-project.org, intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com, libin.yang@intel.com, daniel.vetter@intel.com Date: Fri, 28 Aug 2015 19:02:30 +0200 Message-Id: <1440781350-12053-5-git-send-email-david.henningsson@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440781350-12053-1-git-send-email-david.henningsson@canonical.com> References: <1440781350-12053-1-git-send-email-david.henningsson@canonical.com> Cc: David Henningsson Subject: [Intel-gfx] [PATCH 4/4] ALSA: hda - Wake the codec up on pin/ELD notify events 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=-5.6 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 Whenever there is an event from the i915 driver, wake the codec and recheck plug/unplug + ELD status. This fixes the issue with lost unsol events in power save mode, the codec and controller can now sleep in D3 and still know when the HDMI monitor has been connected. Right now, this might mean we get two callbacks from the same event, one from the unsol event and one from the i915 driver, but this is not harmful and can be optimised away in a later patch. Reviewed-by: Takashi Iwai Signed-off-by: David Henningsson --- sound/pci/hda/patch_hdmi.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index a97db5f..acbfbe0 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -37,6 +37,8 @@ #include #include #include +#include +#include #include "hda_codec.h" #include "hda_local.h" #include "hda_jack.h" @@ -144,6 +146,9 @@ struct hdmi_spec { */ struct hda_multi_out multiout; struct hda_pcm_stream pcm_playback; + + /* i915/powerwell (Haswell+/Valleyview+) specific */ + struct i915_audio_component_audio_ops i915_audio_ops; }; @@ -2191,6 +2196,9 @@ static void generic_hdmi_free(struct hda_codec *codec) struct hdmi_spec *spec = codec->spec; int pin_idx; + if (is_haswell_plus(codec) || is_valleyview_plus(codec)) + snd_hdac_i915_register_notifier(NULL); + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); @@ -2316,6 +2324,14 @@ static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg, snd_hda_codec_set_power_to_all(codec, fg, power_state); } +static void intel_pin_eld_notify(void *audio_ptr, int port) +{ + struct hda_codec *codec = audio_ptr; + int pin_nid = port + 0x04; + + check_presence_and_report(codec, pin_nid); +} + static int patch_generic_hdmi(struct hda_codec *codec) { struct hdmi_spec *spec; @@ -2342,8 +2358,12 @@ static int patch_generic_hdmi(struct hda_codec *codec) if (is_valleyview_plus(codec) || is_skylake(codec)) codec->core.link_power_control = 1; - if (is_haswell_plus(codec) || is_valleyview_plus(codec)) + if (is_haswell_plus(codec) || is_valleyview_plus(codec)) { codec->depop_delay = 0; + spec->i915_audio_ops.audio_ptr = codec; + spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify; + snd_hdac_i915_register_notifier(&spec->i915_audio_ops); + } if (hdmi_parse_codec(codec) < 0) { codec->spec = NULL;