From: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Date: Wed, 17 Feb 2016 16:04:02 +0000 (+0530)
Subject: ASoC: hdac_hdmi: Fix to reconfigure registers in runtime resume
X-Git-Tag: v4.9.8~2370^2~24^2~5^4~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ab85f5b36ea3474622303a36293e63cf78f4a797;p=platform%2Fkernel%2Flinux-rpi3.git

ASoC: hdac_hdmi: Fix to reconfigure registers in runtime resume

The register are reset during the D3 to D0 transition. So
reconfigure them.

Also as all DAIs are now supported, remove the dai id check in prepare.

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index 57ab212..2445b43 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -374,11 +374,6 @@ static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream,
 	struct hdac_ext_dma_params *dd;
 	int ret;
 
-	if (dai->id > 0) {
-		dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n");
-		return -ENODEV;
-	}
-
 	dai_map = &hdmi->dai_map[dai->id];
 
 	dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream);
@@ -451,6 +446,18 @@ static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev,
+		struct hdac_hdmi_dai_pin_map *dai_map)
+{
+	/* Enable transmission */
+	snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0,
+			AC_VERB_SET_DIGI_CONVERT_1, 1);
+
+	/* Category Code (CC) to zero */
+	snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0,
+			AC_VERB_SET_DIGI_CONVERT_2, 0);
+}
+
 static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac,
 		struct hdac_hdmi_dai_pin_map *dai_map)
 {
@@ -580,6 +587,7 @@ static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream,
 
 	dai_map->pin = pin;
 
+	hdac_hdmi_enable_cvt(hdac, dai_map);
 	ret = hdac_hdmi_enable_pin(hdac, dai_map);
 	if (ret < 0)
 		return ret;
@@ -949,14 +957,6 @@ static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev)
 		dai_map->dai_id = dai_id;
 		dai_map->cvt = cvt;
 
-		/* Enable transmission */
-		snd_hdac_codec_write(&edev->hdac, cvt->nid, 0,
-				AC_VERB_SET_DIGI_CONVERT_1, 1);
-
-		/* Category Code (CC) to zero */
-		snd_hdac_codec_write(&edev->hdac, cvt->nid, 0,
-				AC_VERB_SET_DIGI_CONVERT_2, 0);
-
 		dai_id++;
 
 		if (dai_id == HDA_MAX_CVTS) {
@@ -1527,6 +1527,9 @@ static int hdac_hdmi_runtime_resume(struct device *dev)
 		return err;
 	}
 
+	hdac_hdmi_skl_enable_all_pins(&edev->hdac);
+	hdac_hdmi_skl_enable_dp12(&edev->hdac);
+
 	/* Power up afg */
 	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0))
 		snd_hdac_codec_write(hdac, hdac->afg, 0,