[alsa-devel] amixer error

Arun KS getarunks at gmail.com
Tue Nov 11 11:25:38 CET 2008


I am getting an error for amixer, but my amixer controls works fine.

Here is the log:

[root at OMAP2530EVM ~]#
[root at OMAP2530EVM ~]#
[root at OMAP2530EVM ~]#
[root at OMAP2530EVM ~]# amixer
amixer: Mixer default load error: Operation not permitted
[root at OMAP2530EVM ~]#
[root at OMAP2530EVM ~]#
[root at OMAP2530EVM ~]#
[root at OMAP2530EVM ~]# amixer controls
numid=2,iface=MIXER,name='PCM Playback Volume'
numid=22,iface=MIXER,name='Line Input Function'
numid=20,iface=MIXER,name='Line Out Function'
numid=9,iface=MIXER,name='Mic Bias Level'
numid=23,iface=MIXER,name='Mic Function'
numid=5,iface=MIXER,name='HP DAC Playback Switch'
numid=3,iface=MIXER,name='HP Driver Gain'
numid=1,iface=MIXER,name='ICE1724 EEPROM'
numid=21,iface=MIXER,name='Jack Function'
numid=6,iface=MIXER,name='LO DAC Playback Switch'
numid=4,iface=MIXER,name='LO Driver Gain'
numid=18,iface=MIXER,name='Left DAC_L Mixer HP Switch'
numid=19,iface=MIXER,name='Left DAC_L Mixer LO Switch'
numid=13,iface=MIXER,name='Left PGA Mixer Line1L Switch'
numid=14,iface=MIXER,name='Left PGA Mixer Line2L Switch'
numid=15,iface=MIXER,name='Left PGA Mixer Line3L Switch'
numid=7,iface=MIXER,name='PGA Capture Volume'
numid=8,iface=MIXER,name='Program Registers'
numid=16,iface=MIXER,name='Right DAC_R Mixer HP Switch'
numid=17,iface=MIXER,name='Right DAC_R Mixer LO Switch'
numid=10,iface=MIXER,name='Right PGA Mixer Line1R Switch'
numid=11,iface=MIXER,name='Right PGA Mixer Line2R Switch'
numid=12,iface=MIXER,name='Right PGA Mixer Line3R Switch'
[root at OMAP2530EVM ~]#

Can somebody tell me what all can be the reasons for this?
Should I need to enable some option in the kernel?


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