From mboxrd@z Thu Jan 1 00:00:00 1970 From: jeeja.kp@intel.com Subject: [PATCH 03/16] ASoc: hdac_hdmi: Configure pin verbs for MST Date: Tue, 7 Feb 2017 19:09:47 +0530 Message-ID: <1486474800-11426-4-git-send-email-jeeja.kp@intel.com> References: <1486474800-11426-1-git-send-email-jeeja.kp@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by alsa0.perex.cz (Postfix) with ESMTP id 2AF0A266FCD for ; Tue, 7 Feb 2017 14:28:41 +0100 (CET) In-Reply-To: <1486474800-11426-1-git-send-email-jeeja.kp@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, patches.audio@intel.com, broonie@kernel.org, liam.r.girdwood@intel.com, Jeeja KP List-Id: alsa-devel@alsa-project.org From: Jeeja KP To enable stream on a specific port of a MST capable pin, the port needs to be selected before we configure the pin widget verb. When port is selected, all the pin widget verb controlling the sink device operation will be directed to selected port. So add port selection before configuring the pin widget verb. Signed-off-by: Jeeja KP --- sound/soc/codecs/hdac_hdmi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index c5527e8..6cf86a0a 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -448,6 +448,9 @@ static int hdac_hdmi_query_port_connlist(struct hdac_ext_device *hdac, return -EINVAL; } + if (hdac_hdmi_port_select_set(hdac, port) < 0) + return -EIO; + port->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, port->mux_nids, HDA_MAX_CONNECTIONS); if (port->num_mux_nids == 0) @@ -687,6 +690,10 @@ static int hdac_hdmi_pin_output_widget_event(struct snd_soc_dapm_widget *w, if (!pcm) return -EIO; + /* set the device if pin is mst_capable */ + if (hdac_hdmi_port_select_set(edev, port) < 0) + return -EIO; + switch (event) { case SND_SOC_DAPM_PRE_PMU: hdac_hdmi_set_power_state(edev, port->pin->nid, AC_PWRST_D0); @@ -775,6 +782,11 @@ static int hdac_hdmi_pin_mux_widget_event(struct snd_soc_dapm_widget *w, kc = w->kcontrols[0]; mux_idx = dapm_kcontrol_get_value(kc); + + /* set the device if pin is mst_capable */ + if (hdac_hdmi_port_select_set(edev, port) < 0) + return -EIO; + if (mux_idx > 0) { snd_hdac_codec_write(&edev->hdac, port->pin->nid, 0, AC_VERB_SET_CONNECT_SEL, (mux_idx - 1)); -- 2.5.0