File 0018-alsa-info.sh-Simplify-iteration-over-cards... of Package alsa-utils

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File 0018-alsa-info.sh-Simplify-iteration-over-cards-when-call.patch of Package alsa-utils (Revision 9c49d904ab998e94c2cbf253036f027d)

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From 068dd55717d4e020849e4dd12610d16968cf49be Mon Sep 17 00:00:00 2001
From: David Ward <david.ward@ll.mit.edu>
Date: Sat, 21 Dec 2019 00:32:03 -0500
Subject: [PATCH 18/26] alsa-info.sh: Simplify iteration over cards when
 calling amixer

Read card names directly from individual procfs files, and pass them
to amixer using the '-c' option.

Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 alsa-info/alsa-info.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/alsa-info/alsa-info.sh b/alsa-info/alsa-info.sh
index ed1d9e248405..e1067d42f9f8 100755
--- a/alsa-info/alsa-info.sh
+++ b/alsa-info/alsa-info.sh
@@ -144,12 +144,12 @@ withamixer() {
         echo "!!Amixer output" >> $FILE
         echo "!!-------------" >> $FILE
         echo "" >> $FILE
-	for i in $(grep "]: " /proc/asound/cards | awk -F ' ' '{ print $1 }') ; do
-		CARD_NAME=$(grep "^ *$i " $TEMPDIR/alsacards.tmp | awk '{ print $2 }')
-		echo "!!-------Mixer controls for card $i $CARD_NAME]" >> $FILE
+	for f in /proc/asound/card*/id; do
+		[ -f "$f" ] && read -r CARD_NAME < "$f" || continue
+		echo "!!-------Mixer controls for card $CARD_NAME" >> $FILE
 		echo "" >>$FILE
-		amixer -c$i info >> $FILE 2>&1
-		amixer -c$i >> $FILE 2>&1
+		amixer -c "$CARD_NAME" info >> $FILE 2>&1
+		amixer -c "$CARD_NAME" >> $FILE 2>&1
 		echo "" >> $FILE
 	done
 	echo "" >> $FILE
-- 
2.16.4

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File 0018-alsa-info.sh-Simplify-iteration-over-cards-when-call.patch of Package alsa-utils (Revision 9c49d904ab998e94c2cbf253036f027d)

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