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6.3 Çý¶¯³ÌÊ½ÔØÈëÁË... ¿ÉÊÇûÉùÒô
½â³ý¾²Òô ALSA Çý¶¯³Ìʽ¿ÉÒÔÔËÓöàÊýÒôЧ¿¨¶¼ÓÐµÄ "¾²Òô" ÄÜÁ¦. Èç¹ûÄúÔØÈëÁËÒôЧÇý¶¯³Ìʽ, Ò»Çп´ÆðÀ´¶¼»¹ÕýÈ·, ¾ÍÊÇûÓÐÉùÒôµÄ»°, ÄÇ÷áÄú¿ÉÄÜÍü¼Æ°Ñ¾²ÒôÈ¡ÏûµôÁË. ÒªÕâ÷á×öÄúÒªÓà "amixer" »ò "alsamixer", Á½Õß¶¼¸½ÔÚÇý¶¯³ÌʽÖÐ. Ö»Òª¼üÈë:
amixer -c 1 master 70:70 unmute amixer -c 1 pcm 70:70 unmute amixer -c 1 cd 70:70 unmute
¶Ô¶àÊýµÄÓ¦ÓóÌʽӦ¸Ã¶¼ÓÐЧµÄ.
OSS/Linux µÄÏàÈÝÐÔ Èç¹ûÕâÊÇÄúÊ×´ÎʹÓà ALSA Çý¶¯³Ìʽ, ¶øÄúÒÔǰʹÓùýºËÐÄÄÚ½¨µÄÄǸöµÄ»°, Äú¿ÉÄÜÏëÒªÄܺ͹ýÈ¥ÏàÈݵÄÄÜÁ¦.(¼´Ê¹Óà /dev/pcmX É豸֮ÄÜÁ¦). ÕâʱÄúÐèÒªÔØÈë "OSS ÏàÈÝÇý¶¯³Ìʽ". Ö´ÐÐ modprobe snd-pcm1-oss (Ïê¼û¹Øì¶ÔØÈë±¾Çý¶¯³ÌʽÄÇÒ»½Ú. ). ÇëðÞN: snd-pcm1-oss ²»ÄÜì¶ snd-pcm1. ¶Ô¾ÉÇý¶¯³ÌʽµÄÖ§Ô®ËùÐèÒªµÄÊÇ snd-pcm1-oss.
6.4 Ò»°ãÐÔ½¨ÑÔ
ÊÔ×ÅÓà "insmod" Óà "insmod" È¡´ú kerneld ×ÜÊÇÓÐÓõÄ. Ò²ÐíÒò´ËÄú¾Í¿ÉÒÔÔÚÓ©Ä»ÉÏ¿´µ½´íÎóѶϢÁË.
¶Á INSTALL µµ. ÔÚÇý¶¯³ÌʽĿ¼ÖÐµÄ INSTALL µµ¿ÉÒÔ·¢Ïֺܶà×ÊѶ. Èç¹ûÄúµÄÇý¶¯³Ìʽ²»Æð×÷ÓÃ, ±ðÍüÁË¿´¿´Õâ¸öµµ, Ò²Ðí»áÓжîÍâµÄ×ÊѶ.
³ý´íѶϢ Èç¹ûÒÔÉϵķ½·¨»¹ÊÇûÓÐÓÃ, Äú¿ÉÒÔÖØÐ±àÒëÇý¶¯³Ìʽ, ÒªÇóËü½«³ý´íѶϢËͽø /var/log/messages µµÖÐ, ×öΪ×îááÊÖ¶Î. ÏÂcd /usr/src/alsa-driver-...ÃüÁî½øÈëÇý¶¯³ÌʽĿ¼, È»ááÊäÈë:
./configure --with-debug=detect; make clean; make
ÒÆ³ýÇý¶¯³Ìʽ(Èç¹ûËüÒѾÆô¶¯µÄ»°, Çë¿´ááÃæÓÐÌáµ½µÄÒÆ³ýÄ£×éС¼¼ÇÉ) È»ááÓÃÄú¸Õ¸ÕÓÃµÄ "modprobe" Ö¸Áî°²²åбàÒëµÄÇý¶¯³Ìʽ. ¿´¿´ /var/log/messages ÀïÓÐûÓÐÈκÎÏà¹ØÑ¶Ï¢.
Èç¹û¶¼Ã»ÓÐÓÃÄØ... Èç¹ûÄúÎÞ·¨ÓÉѶϢÖÐÈ¡µÃÏßË÷, д·â Email µ½ ALSA ʹÓÃÕßͨÐÅÂÛ̳, alsa-user@alsa-project.org.
±ðÍüÁ˼ÓÉÏÒÔÏÂ×ÊѶ:
ÄúµÄÒôЧ¿¨µÄÃû³ÆÒÔ¼°ÆäʹÓõľ§Æ¬. Èç¹ûÄúµÄÒôЧ¿¨ÊÇ ISA PnP µÄ, ·ÅÈë isapnp.conf ÖÐÓйصIJ¿·Ý. ÄúµÄ conf.modules µµ»òÊÇÆô¶¯ ALSA Çý¶¯³ÌʽµÄÃüÁîÐÐ. ËùÓÐÔÚ /var/log/messages ÖÐÓ¦¸ÃºÍ ALSA Çý¶¯³ÌʽÓйصÄѶϢ.
6.5 »Ø±¨³ô³æ Èç¹ûÄú·¢ÏÖÁËÒ»Ö»³ô³æ, ALSA Çý¶¯³Ìʽ¿ª·¢×éÏ£ÍûÄܹ»µÃÖª(ÖÁÉÙ)ÒÔÏÂ×ÊѶ:
Çý¶¯³Ìʽ¼°ºËÐĵİ汾: 'cat /proc/asound/version' ÒôЧ¿¨×ÊѶ ³§ÉÌËù±êʾµÄÒôЧ¿¨Ãû³Æ ¸Ã¿¨ÉÏÃæµÄ¸÷¸ö¾§Æ¬±êʾ 'cat /proc/asound/cards' µÄÖ´Ðнá¹û ËùÓÐÔÚ /var/log/messages ÖеÄÏà¹ØÑ¶Ï¢ ÎÊÌâµÄÃèÊö
6.6 С¼¼ÇÉ: Ìý CD ʱ... Èç¹ûÄúʹÓÃkmod/kerneld ÒÔ¼° ALSA Çý¶¯³ÌʽÀ´Ìý CD, ÄÇ÷á kmod/kerneld ¿ÉÄܲ»»áÏñÔ¤ÆÚÒ»°ãÔØÈëÇý¶¯³Ìʽ. ÕâÊÇÓÉì¶ÃüÁîÁÐµÄ CD ·ÅÒô³Ìʽֻ»á½Ð CDROM ¿ªÊ¼²¥·Å, ¶ø²»»áʹÓõ½ÈκÎÉ豸, Èà kmod/kerneld À´ÔØÈëÇý¶¯³Ìʽ. Õâ¸öÎÊÌâµÄ½â¿ÉÄܾÍÖ»ÓÐʹÓà modprobe ÁË.
6.7 С¼¼ÇÉ: °²×° MIDI ÐòÁÐÇý¶¯¶¯³Ìʽ ͨ³£, ÐòÁÐÉ豸µÄ IO ²º»áÓɱê×¼µÄÐòÁÐÉ豸Çý¶¯³ÌʽռÓÐ. ËùÒÔÔÚÄú¿ÉÒÔ½øÐÐ "modprobe snd-serial" ÒÔǰ, ±ØÐëÈÃÇý¶¯³ÌʽÊͷŵô¸ÃÐòÁÐÉ豸.
ÒÔÏÂÊÇËùÐè³ÌÐò.
setserial /dev/ttyS0 uart none modprobe snd-serial
(Èç¹ûÄúµÄ MIDI É豸ʹÓò»Ò»ÑùµÄÉ豸,½« /dev/ttyS0 »»³ÉÏà¶ÔÓ¦µÄ /dev/ttySx)
6.8 С¼¼ÇÉ: »»ÐºËÐÄ? »»ÐÂÄ£×é! µ±Äú¸üкËÐÄáá, Äú¿ÉÄÜÐèÒªÖØÐ±àÒë ALSA Çý¶¯³Ìʽ. Èç¹ûËüÃÇ»¹ÔÚÔÀ´µÄ /usr/src Ŀ¼ÏÂ, Çë±ðÍüÁËÔÚÄú½øÐÐ ./configure, make, make install ֮ǰÏÈÏ make clean ÃüÁî.
à¸! »¹Óиö²»Ì«Ò»ÑùµÄºËÐİ汾±àºÅ "2.2.0ac1", »á±» configure ÃüÁîµµ±§Ô¹²»ÊÇÊý×Ö. ÎÒÏëÕâ¸öÔÚаæµÄÃüÁîµµÖлá½â¾ö, ²»È»Äú¿ÉÄܵøıäÔʼÂëÖеĺËÐİ汾±àºÅ.
6.9 С¼¼ÇÉ: KDE ¼° ALSA Çý¶¯³Ìʽ Èç¹ûÄúʹÓÃÁË KDE, µ«È´ÎÞ·¨Ìýµ½ÖîÈ翪ÆôÊÓ´°»ò¸Ä±äʹÓõÄ×ÀÃæµÈϵͳÒôЧ, ²»¹ýÆäËüÒôЧ¶¯×÷Õý³£. Ò²¾ÍÊÇÄúµÄ CD ²¥·Å, MP3 ²¥·ÅÒÔ¼°»ìÒôÆ÷¶¼ºÜÕý³£, ÄÇ÷á¿ÉÄÜÖ»ÊÇÒòΪǷȱ "kwmsound" ¶øÒÑ.
ËùÒÔ: È·¶¨ÔÚÄúµÄÆô¶¯ÃüÁîµµ($KDEDIR/bin/startkde)ÖÐÓÐ "kwmsound".
6.10 С¼¼ÇÉ: ʹÓà ALSA É豸 Èç¹ûÄúÒÔǰÓÐÀûÓùý Linux µÄÒôЧ֧Ԯ, ÄÇ÷áÄúµÄÓ¦ÓóÌʽ¿ÉÄÜÐèÒªÓõ½ /dev/pcm0, /dev/audio ¼° /dev/mixer. ʹÓà OSS ÏàÈÝÄ£×é snd-pcm1-oss ÊDz»´íµÄ½â¾ö·½·¨, µ«Èç¹ûʹÓÃÕæÕýµÄ ALSA É豸(ÔÚ /dev/snd/ÏÂ)µÄ»°ÄǸüºÃ.
6.11 С¼¼ÇÉ: ÒÆ³ýËùÓÐÄ£×é ÒªÒ»¸öÒ»¸öµÄÒÆ³ýÊ®¼¸¸öÄ£×éʵÔÚ²»ÊǸöºÃ°ì·¨. ºÜÐÒÔ˵Ä, ËùÓеÄÄ£×éÃû¶¼ÊÇÓÉ snd- ¿ªÊ¼, ËùÒÔÓÃÒ»µãССµÄÃüÁîÁй滮, Äú¿ÉÒÔÇáÒ×µÄÏÂÒÔϵÄÃüÁîÒÆ³ý ALSA ÒôЧÇý¶¯³Ìʽ:
cat /proc/modules|gawk '/^snd-/{print $1}|xargs -i rmmod {}
Juergen Kahrs дµÀ: "ÎÒÓÐÒ»¸öÃüÁîµµ¿ÉÒÔÁ¬ soundcore, soundlow ÒÔ¼° sound ¶¼Ò»²¢ÏûÈ¥, Èç¹ûËüÃÇÒÑÔØÈëÇÒûÔÚʹÓÃÖеϰ. Õâ¸öÃüÁîµµ´¦Àí /proc/modules Èý´Î, ÕâÑùÔÚÍê³ÉááÓ¦¸Ã²»»áÓÐÌ«¶àÄ£×éÁôÏÂÀ´." ËûµÄ½â·¨ÊÇ:
awk '/^snd/||/^sound/&&($3==0){system("rmmod " $1)}' /proc/modules /proc/modules /proc/modules
Çë×¢Òâ: Èç¹ûÓÐÒ»¸öÄ£×éÒÀÀµÁíÒ»¸öÄ£×éµÄ»°, Äú²»¿ÉÒÔÖ»ÒÆ³ý½ÏÉϲãµÄÄǸö. ÕâÒâζ×ÅÄú¿ÉÄÜÓбØÒªÏµڶþµÀÃüÁî. (ÎÒ´ÓÀ´Ã»Åöµ½¹ýÕâÖÖÇé¿ö; ¿´ÆðÀ´Äú¿ÉÒÔÒÔÒÀÕÕÔÚ /proc/modules ÖеÄ˳ÐòÒÆ³ý ALSA Ä£×é.)
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