Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
---
sound/pci/hda/patch_intelhdmi.c | 5 +++++
1 file changed, 5 insertions(+)
--- mm.orig/sound/pci/hda/patch_intelhdmi.c
+++ mm/sound/pci/hda/patch_intelhdmi.c
@@ -366,11 +366,16 @@ static void hdmi_fill_audio_infoframe(st
struct hdmi_audio_infoframe *ai)
{
u8 *params = (u8 *)ai;
+ u8 sum = 0;
int i;
hdmi_debug_dip_size(codec);
hdmi_clear_dip_buffers(codec); /* be paranoid */
+ for (i = 0; i < sizeof(ai); i++)
+ sum += params[i];
+ ai->checksum = - sum;
+
hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
for (i = 0; i < sizeof(ai); i++)
hdmi_write_dip_byte(codec, PIN_NID, params[i]);
--
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