diff options
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 22f6376..eef388f 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -635,9 +635,9 @@ static void hdmi_std_setup_channel_mapping(struct hda_codec *codec, if (non_pcm) { for (i = 0; i < ch_alloc->channels; i++) - non_pcm_mapping[i] = i | (i << 4); + non_pcm_mapping[i] = (i << 4) | i; for (; i < 8; i++) - non_pcm_mapping[i] = 0xf | (i << 4); + non_pcm_mapping[i] = (0xf << 4) | i; } for (i = 0; i < 8; i++) { @@ -691,7 +691,7 @@ static int to_cea_slot(unsigned char c) if (t->map == c) return t->cea_slot; } - return 0x0f; + return -1; } /* from CEA slot to ALSA API channel position */ @@ -744,14 +744,23 @@ static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec, hda_nid_t pin_nid, int chs, unsigned char *map) { - int i; - for (i = 0; i < 8; i++) { + int alsa_pos, hdmi_slot; + int assignments[8] = {[0 ... 7] = 0xf}; + + for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) { + + hdmi_slot = to_cea_slot(map[alsa_pos]); + + if (hdmi_slot < 0) + continue; /* unassigned channel */ + + assignments[hdmi_slot] = alsa_pos; + } + + for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) { int val, err; - if (i < chs) - val = to_cea_slot(map[i]); - else - val = 0xf; - val |= (i << 4); + + val = (assignments[hdmi_slot] << 4) | hdmi_slot; err = snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_CHAN_SLOT, val); if (err) |