From: Takashi Iwai Date: Fri, 10 Jun 2005 17:48:10 +0000 (+0200) Subject: [ALSA] hda-codec - Feed front signals to all surrounds X-Git-Tag: firefly_0821_release~42766^2~173 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4b3acaf5b56f53ef259a6ddf8e17dcb529631d9b;p=firefly-linux-kernel-4.4.55.git [ALSA] hda-codec - Feed front signals to all surrounds HDA Codec driver Feed front signals to all surround channels if no data is given for surround channels. It seems that CLFE works as expected (only center outputs) even if connected from the front line - at least on my test system. If this change causes problems on other system (e.g. only the left channel is transferred to the center channel), please let me know... Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index cb3a76139341..8805928167f5 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1682,11 +1682,12 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_o snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format); /* surrounds */ for (i = 1; i < mout->num_dacs; i++) { - if (i == HDA_REAR && chs == 2) /* copy front to rear */ - snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0, format); - else if (chs >= (i + 1) * 2) /* independent out */ + if (chs >= (i + 1) * 2) /* independent out */ snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2, format); + else /* copy front */ + snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0, + format); } return 0; }