ALSA: hda - using POS_FIX_LPIB on Broadwell HDMI Audio

Broadwell HDMI can't use position buffer reliably, force to use LPIB

Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cd77b9b..cbb25b0 100644 (file)
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -237,6 +237,12 @@ enum {
         AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_PM_RUNTIME | \
         AZX_DCAPS_I915_POWERWELL)
 
+/* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
+#define AZX_DCAPS_INTEL_BROADWELL \
+       (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_ALIGN_BUFSIZE | \
+        AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_PM_RUNTIME | \
+        AZX_DCAPS_I915_POWERWELL)
+
 /* quirks for ATI SB / AMD Hudson */
 #define AZX_DCAPS_PRESET_ATI_SB \
        (AZX_DCAPS_ATI_SNOOP | AZX_DCAPS_NO_TCSEL | \
@@ -1769,7 +1775,7 @@ static const struct pci_device_id azx_ids[] = {
          .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
        /* Broadwell */
        { PCI_DEVICE(0x8086, 0x160c),
-         .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
+         .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
        /* 5 Series/3400 */
        { PCI_DEVICE(0x8086, 0x3b56),
          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },