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Audio Output Problem on Pandaboard running Ubuntu

Alireza Kenarsari Anhari
Intellectual 500 points
Other Parts Discussed in Thread: TWL6040

Hi,

I am having issues with the audio output level on my pandaboard (running prebuilt Ubuntu 12.04 precise pangolin).

I did set the audio output level (handset) to maximum possible (through alsamixer) and I can see that the audio samples being written to audio output device have large values the audio out level is very low. I wonder if there is a way to boost the audio out level on panadaboard running Ubuntu.

Thanks,

Alireza

  • 0
    TI__Expert 5515 points

    Hi Alireza,

    Can you share the out put of amixer controls command?, I want to see which controls and what values you are using. Thanks

  • 0 in reply to Israel Cepeda
    Intellectual 500 points

    Thanks a lot for your reply here is the output of amixer

    Simple mixer control 'Sidetone Equalizer',0
      Capabilities: enum
      Items: 'Flat response' 'High-pass 0dB' 'High-pass -12dB' 'High-pass -18dB'
      Item0: 'Flat response'
    Simple mixer control 'Sidetone Mixer Capture',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Sidetone Mixer Playback',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [on]
    Simple mixer control 'Aux FM',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 7
      Front Left: 7 [100%] [24.00dB]
      Front Right: 7 [100%] [24.00dB]
    Simple mixer control 'Capture',0
      Capabilities: cvolume penum
      Capture channels: Front Left - Front Right
      Limits: Capture 0 - 4
      Front Left: Capture 4 [100%] [30.00dB]
      Front Right: Capture 4 [100%] [30.00dB]
    Simple mixer control 'Capture Mixer Media Playback',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Capture Mixer Tones',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Capture Mixer Voice Capture',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Capture Mixer Voice Playback',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Capture Preamplifier',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 1
      Front Left: 0 [0%] [-6.00dB]
      Front Right: 0 [0%] [-6.00dB]
    Simple mixer control 'AMIC Equalizer',0
      Capabilities: enum
      Items: 'High-pass 0dB' 'High-pass -12dB' 'High-pass -18dB'
      Item0: 'High-pass 0dB'
    Simple mixer control 'AMIC UL',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 149
      Front Left: 126 [85%] [6.00dB]
      Front Right: 126 [85%] [6.00dB]
    Simple mixer control 'AUDUL Media',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'AUDUL Mono Mixer',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'AUDUL Tones',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'AUDUL Voice DL',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'AUDUL Voice UL',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 120 [81%] [0.00dB]
    Simple mixer control 'AUXL',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'AUXR',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Analog Left',0
      Capabilities: cenum
      Items: 'Headset Mic' 'Main Mic' 'Aux/FM Left' 'Off'
      Item0: 'Aux/FM Left'
    Simple mixer control 'Analog Right',0
      Capabilities: cenum
      Items: 'Headset Mic' 'Sub Mic' 'Aux/FM Right' 'Off'
      Item0: 'Aux/FM Right'
    Simple mixer control 'BT UL',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 149
      Front Left: 120 [81%] [0.00dB]
      Front Right: 120 [81%] [0.00dB]
    Simple mixer control 'DL1 BT_VX',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL1 Capture',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DL1 Equalizer',0
      Capabilities: enum
      Items: 'Flat response' 'High-pass 0dB' 'High-pass -12dB' 'High-pass -20dB' '4Khz LPF   0dB'
      Item0: 'Flat response'
    Simple mixer control 'DL1 MM_EXT',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL1 Media',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 90 [60%] [-30.00dB]
    Simple mixer control 'DL1 Mixer Capture',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL1 Mixer Multimedia',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [on]
    Simple mixer control 'DL1 Mixer Tones',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL1 Mixer Voice',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL1 Mono Mixer',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL1 PDM',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [on]
    Simple mixer control 'DL1 Tones',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DL1 Voice',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DL2 Capture',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DL2 Left Equalizer',0
      Capabilities: enum
      Items: 'Flat response' 'High-pass 0dB' 'High-pass -12dB' 'High-pass -20dB' '450Hz High-pass'
      Item0: 'Flat response'
    Simple mixer control 'DL2 Media',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DL2 Mixer Capture',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL2 Mixer Multimedia',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL2 Mixer Tones',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL2 Mixer Voice',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL2 Mono Mixer',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'DL2 Right Equalizer',0
      Capabilities: enum
      Items: 'Flat response' 'High-pass 0dB' 'High-pass -12dB' 'High-pass -20dB' '450Hz High-pass'
      Item0: 'Flat response'
    Simple mixer control 'DL2 Tones',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DL2 Voice',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 0 [0%] [-99999.99dB]
    Simple mixer control 'DMIC Equalizer',0
      Capabilities: enum
      Items: 'High-pass 0dB' 'High-pass -12dB' 'High-pass -18dB'
      Item0: 'High-pass 0dB'
    Simple mixer control 'DMIC1 UL',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 149
      Front Left: 120 [81%] [0.00dB]
      Front Right: 120 [81%] [0.00dB]
    Simple mixer control 'DMIC2 UL',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 149
      Front Left: 120 [81%] [0.00dB]
      Front Right: 120 [81%] [0.00dB]
    Simple mixer control 'DMIC3 UL',0
      Capabilities: volume penum
      Playback channels: Front Left - Front Right
      Capture channels: Front Left - Front Right
      Limits: 0 - 149
      Front Left: 120 [81%] [0.00dB]
      Front Right: 120 [81%] [0.00dB]
    Simple mixer control 'Earphone',0
      Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 15
      Mono: Playback 0 [0%] [-24.00dB] [off]
    Simple mixer control 'Handsfree',0
      Capabilities: pvolume penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 29
      Mono:
      Front Left: Playback 0 [0%] [-52.00dB]
      Front Right: Playback 0 [0%] [-52.00dB]
    Simple mixer control 'Handsfree Left Playback',0
      Capabilities: enum
      Items: 'Off' 'HF DAC' 'Line-In amp'
      Item0: 'Off'
    Simple mixer control 'Handsfree Right Playback',0
      Capabilities: enum
      Items: 'Off' 'HF DAC' 'Line-In amp'
      Item0: 'Off'
    Simple mixer control 'Headset',0
      Capabilities: pvolume penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 15
      Mono:
      Front Left: Playback 13 [87%] [-4.00dB]
      Front Right: Playback 13 [87%] [-4.00dB]
    Simple mixer control 'Headset Left Playback',0
      Capabilities: enum
      Items: 'Off' 'HS DAC' 'Line-In amp'
      Item0: 'HS DAC'
    Simple mixer control 'Headset Power Mode',0
      Capabilities: enum
      Items: 'Low-Power' 'High-Perfomance'
      Item0: 'Low-Power'
    Simple mixer control 'Headset Right Playback',0
      Capabilities: enum
      Items: 'Off' 'HS DAC' 'Line-In amp'
      Item0: 'HS DAC'
    Simple mixer control 'MUX_UL00',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'AMic0'
    Simple mixer control 'MUX_UL01',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'AMic1'
    Simple mixer control 'MUX_UL02',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL03',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL04',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL05',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL06',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL07',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL10',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_UL11',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_VX0',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'MUX_VX1',0
      Capabilities: enum
      Items: 'None' 'DMic0L' 'DMic0R' 'DMic1L' 'DMic1R' 'DMic2L' 'DMic2R' 'BT Left' 'BT Right' 'MMExt Left' 'MMExt Right' 'AMic0' 'AMic1' 'VX Left' 'VX Right'
      Item0: 'None'
    Simple mixer control 'PLL Selection',0
      Capabilities: enum
      Items: 'Low-Power' 'High-Perfomance'
      Item0: 'Low-Power'
    Simple mixer control 'SDT DL',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 120 [81%] [0.00dB]
    Simple mixer control 'SDT UL',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'TWL6040 Power Mode',0
      Capabilities: enum
      Items: 'Low-Power' 'High-Performance'
      Item0: 'Low-Power'
    Simple mixer control 'VXREC Media',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'VXREC Tones',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'VXREC Voice DL',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'VXREC Voice UL',0
      Capabilities: volume volume-joined penum
      Playback channels: Mono
      Capture channels: Mono
      Limits: 0 - 149
      Mono: 0 [0%] [-99999.99dB]
    Simple mixer control 'Vibra Left Playback',0
      Capabilities: enum
      Items: 'Input FF' 'Audio PDM'
      Item0: 'Input FF'
    Simple mixer control 'Vibra Right Playback',0
      Capabilities: enum
      Items: 'Input FF' 'Audio PDM'
      Item0: 'Input FF'
    Simple mixer control 'Voice Capture Mixer Capture',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Voice Capture Mixer Media Playback',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]
    Simple mixer control 'Voice Capture Mixer Tones Playback',0
      Capabilities: pswitch pswitch-joined penum
      Playback channels: Mono
      Mono: Playback [off]

  • 0 in reply to Alireza Kenarsari Anhari
    TI__Expert 5515 points

    My guess it that those values were take during playback, right?

    You have DL1 Media set to value 90 that is -30 dB, that means at this point you are attenuating the signal. You can increase this value to get higher volume.

    Simple mixer control 'DL1 Media',0
      Capabilities: pvolume pvolume-joined penum
      Playback channels: Mono
      Limits: Playback 0 - 149
      Mono: Playback 90 [60%] [-30.00dB]

    Also Headset controls is not at it's higher value, you may want to try with values that are not attenuating the signal.

    Simple mixer control 'Headset',0
      Capabilities: pvolume penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 15
      Mono:
      Front Left: Playback 13 [87%] [-4.00dB]
      Front Right: Playback 13 [87%] [-4.00dB]


    Please try increasing this values to see if you problem get solved.