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authorDan Williams <dan.j.williams@intel.com>2017-11-15 16:56:11 -0800
committerDan Williams <dan.j.williams@intel.com>2017-11-15 16:56:11 -0800
commit4247f24c23589bcc3bc3490515ef8c9497e9ae55 (patch)
tree89726a0e171c443a3e8def2992b56dbd8a21df21 /sound/pci/hda/patch_hdmi.c
parent79ab67ede21f536851a99ea68ee6fc1f5435e055 (diff)
parent9f586fff6574f6ecbf323f92d44ffaf0d96225fe (diff)
Merge branch 'for-4.15/dax' into libnvdimm-for-next
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 2b64fabd5faa..c19c81d230bd 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -906,6 +906,7 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
hda_nid_t pin_nid, u32 stream_tag, int format)
{
struct hdmi_spec *spec = codec->spec;
+ unsigned int param;
int err;
err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
@@ -915,6 +916,26 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
return err;
}
+ if (is_haswell_plus(codec)) {
+
+ /*
+ * on recent platforms IEC Coding Type is required for HBR
+ * support, read current Digital Converter settings and set
+ * ICT bitfield if needed.
+ */
+ param = snd_hda_codec_read(codec, cvt_nid, 0,
+ AC_VERB_GET_DIGI_CONVERT_1, 0);
+
+ param = (param >> 16) & ~(AC_DIG3_ICT);
+
+ /* on recent platforms ICT mode is required for HBR support */
+ if (is_hbr_format(format))
+ param |= 0x1;
+
+ snd_hda_codec_write(codec, cvt_nid, 0,
+ AC_VERB_SET_DIGI_CONVERT_3, param);
+ }
+
snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
return 0;
}