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About  mx27 unmute pcm  issue

Question asked by tan my on Mar 24, 2008
Latest reply on Jul 22, 2013 by Ram Ramasamy
    My platform:
    Mainboard  : mx27 ADS
    BSP : imx27_ads_20071219-rel3-ltib.iso
    I tried to  unmute the alsa
mx27# amixer -q set Master 100% unmute
mx27# amixer -q set PCM 100% unmute
amixer: Unable to find simple control 'PCM',0

    Why Unable to find  'PCM'  ?   I compiled madplay with "--with-alsa " option , then play mp3 music ,but no sound .