diff options
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index dcc4c1cb0ab..b187cce64fa 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -595,22 +595,32 @@ static void hdmi_std_setup_channel_mapping(struct hda_codec *codec, bool non_pcm, int ca) { + struct cea_channel_speaker_allocation *ch_alloc; int i; int err; int order; int non_pcm_mapping[8]; order = get_channel_allocation_order(ca); + ch_alloc = &channel_allocations[order]; if (hdmi_channel_mapping[ca][1] == 0) { - 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); + int hdmi_slot = 0; + /* fill actual channel mappings in ALSA channel (i) order */ + for (i = 0; i < ch_alloc->channels; i++) { + while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8)) + hdmi_slot++; /* skip zero slots */ + + hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++; + } + /* fill the rest of the slots with ALSA channel 0xf */ + for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) + if (!ch_alloc->speakers[7 - hdmi_slot]) + hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot; } if (non_pcm) { - for (i = 0; i < channel_allocations[order].channels; i++) + for (i = 0; i < ch_alloc->channels; i++) non_pcm_mapping[i] = i | (i << 4); for (; i < 8; i++) non_pcm_mapping[i] = 0xf | (i << 4); |