Rewrite _asoundrc to fix the sound problem with ALSA

Some applications (e.g., firefox, flash, mpd) need the default sound
device been set, otherwise there is no sound.
See the Gentoo ALSA Wiki for more details.

1 files changed, 13 insertions, 12 deletions

diff --git a/_asoundrc b/_asoundrc
index 39e8ad4..96aec0d 100644
--- a/_asoundrc
+++ b/_asoundrc
@@ -2,19 +2,20 @@
 # ~/.asoundrc
 # Gentoo Linux @ ThinkPad T450s
 #
-# Aaron LI
-# 2016-06-13
+# References:
+# [1] Gentoo Wiki: ALSA
+#     https://wiki.gentoo.org/wiki/ALSA
+# [2] AlsaProject: Asoundrc
+#     http://www.alsa-project.org/main/index.php/Asoundrc
 #
-
-# http://www.alsa-project.org/main/index.php/Asoundrc
 # see also '/proc/asound/cards'
+#
+# Aaron LI
+# Created: 2016-06-13
+# Updated: 2016-08-11
+#
 
-pcm.!default {
-    type hw
-    card PCH
-}
+defaults.pcm.!card PCH
+defaults.pcm.!device 0
+defaults.ctl.!card PCH
 
-ctl.!default {
-    type hw
-    card PCH
-}