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authorMengdong Lin <mengdong.lin@intel.com>2013-08-26 21:35:49 -0400
committerTakashi Iwai <tiwai@suse.de>2013-08-27 12:15:28 +0200
commit2e59e5ab1c24489c5581b83e56b0435432c54dfe (patch)
treea3c3aa2a8b55bac06b4aff8b2446a4310452036d /sound
parent5dc989bdd968f369fec47d25343868ff9702953a (diff)
downloadop-kernel-dev-2e59e5ab1c24489c5581b83e56b0435432c54dfe.zip
op-kernel-dev-2e59e5ab1c24489c5581b83e56b0435432c54dfe.tar.gz
ALSA: hda - add device entry and inactive flag to unsolicited response
This patch adds two fields to unsolicited response, according to spec HDA040-A: - Device Entry (bit 20:15) - Inactive (bit 2) and show the info in debug message. Signed-off-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_codec.h5
-rw-r--r--sound/pci/hda/patch_hdmi.c5
2 files changed, 8 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index b838c70..7aa9870 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -255,6 +255,11 @@ enum {
#define AC_UNSOL_RES_TAG_SHIFT 26
#define AC_UNSOL_RES_SUBTAG (0x1f<<21)
#define AC_UNSOL_RES_SUBTAG_SHIFT 21
+#define AC_UNSOL_RES_DE (0x3f<<15) /* Device Entry
+ * (for DP1.2 MST)
+ */
+#define AC_UNSOL_RES_DE_SHIFT 15
+#define AC_UNSOL_RES_IA (1<<2) /* Inactive (for DP1.2 MST) */
#define AC_UNSOL_RES_ELDV (1<<1) /* ELD Data valid (for HDMI) */
#define AC_UNSOL_RES_PD (1<<0) /* pinsense detect */
#define AC_UNSOL_RES_CP_STATE (1<<1) /* content protection */
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 87ca984..895a0d3 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -959,6 +959,7 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
int pin_nid;
int pin_idx;
struct hda_jack_tbl *jack;
+ int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
if (!jack)
@@ -967,8 +968,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
jack->jack_dirty = 1;
_snd_printd(SND_PR_VERBOSE,
- "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
- codec->addr, pin_nid,
+ "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
+ codec->addr, pin_nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
!!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
pin_idx = pin_nid_to_pin_index(spec, pin_nid);
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