From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: [PATCH 07/14] ALSA: hdac: add snd_hdac_ext_bus_link_power_up_all Date: Fri, 11 Dec 2015 12:14:20 +0530 Message-ID: <1449816267-11910-8-git-send-email-vinod.koul@intel.com> References: <1449816267-11910-1-git-send-email-vinod.koul@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by alsa0.perex.cz (Postfix) with ESMTP id BFD7D265D91 for ; Fri, 11 Dec 2015 07:41:44 +0100 (CET) In-Reply-To: <1449816267-11910-1-git-send-email-vinod.koul@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org Cc: tiwai@suse.de, Jayachandran B , patches.audio@intel.com, liam.r.girdwood@linux.intel.com, Vinod Koul , broonie@kernel.org, "Subhransu S. Prusty" List-Id: alsa-devel@alsa-project.org We have an API for powering down all links, we need a similar one for powering up links, so add for power up as well Signed-off-by: Jayachandran B Signed-off-by: Subhransu S. Prusty Signed-off-by: Vinod Koul --- include/sound/hdaudio_ext.h | 1 + sound/hda/ext/hdac_ext_controller.c | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 65961bbb8ca3..68538fe94c77 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -147,6 +147,7 @@ struct hdac_ext_link { int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); +int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus); int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, int stream); diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index 2524b3baa029..2b8e7ebcd00c 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -289,6 +289,27 @@ int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link) EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down); /** + * snd_hdac_ext_bus_link_power_up_all -power up all hda link + * @ebus: HD-audio extended bus + */ +int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus) +{ + struct hdac_ext_link *hlink = NULL; + int ret; + + list_for_each_entry(hlink, &ebus->hlink_list, list) { + snd_hdac_updatel(hlink->ml_addr, + AZX_REG_ML_LCTL, 0, AZX_MLCTL_SPA); + ret = check_hdac_link_power_active(hlink, true); + if (ret < 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_up_all); + +/** * snd_hdac_ext_bus_link_power_down_all -power down all hda link * @ebus: HD-audio extended bus */ -- 1.9.1