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authorWang Xingchao <xingchao.wang@intel.com>2012-09-06 02:02:36 (GMT)
committerTakashi Iwai <tiwai@suse.de>2012-09-06 06:50:31 (GMT)
commit72357c78b75d39ee9e8d9fb4308957d9525aa674 (patch)
tree7e6ccb326f5c7e92d13177ebbda8ba7103f9e9b9 /sound
parent14e42917216ab0859827c2d8024df45a917301b4 (diff)
downloadlinux-fsl-qoriq-72357c78b75d39ee9e8d9fb4308957d9525aa674.tar.xz
ALSA: HDMI - Fix channel_allocation array wrong order
The array channel_allocations[] is an ordered list, add function to get correct order by ca_index. Signed-off-by: Wang Xingchao <xingchao.wang@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_hdmi.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index afd6850..4fb8199 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -469,6 +469,17 @@ static void init_channel_allocations(void)
}
}
+static int get_channel_allocation_order(int ca)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+ if (channel_allocations[i].ca_index == ca)
+ break;
+ }
+ return i;
+}
+
/*
* The transformation takes two steps:
*
@@ -541,9 +552,11 @@ static void hdmi_setup_channel_mapping(struct hda_codec *codec,
{
int i;
int err;
+ int order;
+ order = get_channel_allocation_order(ca);
if (hdmi_channel_mapping[ca][1] == 0) {
- for (i = 0; i < channel_allocations[ca].channels; i++)
+ for (i = 0; i < channel_allocations[order].channels; i++)
hdmi_channel_mapping[ca][i] = i | (i << 4);
for (; i < 8; i++)
hdmi_channel_mapping[ca][i] = 0xf | (i << 4);