[alsa-devel] [PATCH v7 4/9] ASoC: hdac_hdmi: Fix to reconfigure registers in runtime resume
Subhransu S. Prusty
subhransu.s.prusty at intel.com
Wed Feb 17 17:04:02 CET 2016
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 at intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
sound/soc/codecs/hdac_hdmi.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
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,
--
1.9.1
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