soc-audio soc-audio: ASoC: machine smdkv210 audio should use snd_soc_register_card()
wm8960-codec 0-001a: No platform data supplied
soc-audio soc-audio: wm8960-hifi <-> samsung-i2s.0 mapping ok
ALSA device list:
#0: smdkv210 audio
[root@$WYY: /]# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: audio [smdkv210 audio], device 0: WM8960 HiFi wm8960-hifi-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
[root@$WYY: /]# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=audio
smdkv210 audio,
Default Audio Device
[root@$WYY: /]# ls /dev/snd/
controlC0 pcmC0D0c pcmC0D0p seq timer
[root@$WYY: /]# cat /proc/asound/cards
0 [audio ]: smdkv210_audio - smdkv210 audio
smdkv210 audio
[root@$WYY: /]# aplay zj.wav
Playing WAVE 'zj.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
samsung-i2s samsung-i2s.0: We don't serve that!
soc-audio soc-audio: ASoC: machine hw_params failed: -22
aplay: set_params:1116: Unable to install hw params:
ACCESS: RW_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: 32
CHANNELS: 2
RATE: 44100
PERIOD_TIME: (125011 125012)
PERIOD_SIZE: 5513
PERIOD_BYTES: 22052
PERIODS: 2
BUFFER_TIME: (250022 250023)
BUFFER_SIZE: 11026
BUFFER_BYTES: 44104
TICK_TIME: 0
[root@$WYY: /]# amixer
Simple mixer control 'Headphone',0
Capabilities: pvolume penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 0 [0%] [-99999.99dB]
Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'Headphone Playback ZC',0
Capabilities: pswitch penum
Playback channels: Front Left - Front Right
Mono:
Front Left: Playback [off]
Front Right: Playback [off]
Simple mixer control 'Speaker',0
Capabilities: pvolume penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 0 [0%] [-99999.99dB]
Front Right: Playback 0 [0%] [-99999.99dB]
Simple mixer control 'Speaker AC',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 5
Mono: 0 [0%]
Simple mixer control 'Speaker DC',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 5
Mono: 0 [0%]
Simple mixer control 'Speaker Playback ZC',0
Capabilities: pswitch penum
Playback channels: Front Left - Front Right
Mono:
Front Left: Playback [off]
Front Right: Playback [off]
Simple mixer control 'PCM Playback -6dB',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Mono Output Mixer Left',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Mono Output Mixer Right',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Playback',0
Capabilities: volume penum
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 255
Front Left: 255 [100%] [0.50dB]
Front Right: 255 [100%] [0.50dB]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 63
Front Left: Capture 39 [62%] [-77.50dB] [on]
Front Right: Capture 39 [62%] [-77.50dB] [on]
Simple mixer control '3D',0
Capabilities: volume volume-joined pswitch pswitch-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 15
Mono: 0 [0%] Playback [off]
Simple mixer control '3D Filter Lower Cut-Off',0
Capabilities: enum
Items: 'Low' 'High'
Item0: 'Low'
Simple mixer control '3D Filter Upper Cut-Off',0
Capabilities: enum
Items: 'High' 'Low'
Item0: 'High'
Simple mixer control 'ADC High Pass Filter',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'ADC PCM',0
Capabilities: cvolume penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 127
Front Left: Capture 0 [0%]
Front Right: Capture 0 [0%]
Simple mixer control 'ADC Polarity',0
Capabilities: enum
Items: 'No Inversion' 'Left Inverted' 'Right Inverted' 'Stereo Inversion'
Item0: 'No Inversion'
Simple mixer control 'ALC Attack',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 15
Mono: 2 [13%]
Simple mixer control 'ALC Decay',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 15
Mono: 3 [20%]
Simple mixer control 'ALC Function',0
Capabilities: enum
Items: 'Off' 'Right' 'Left' 'Stereo'
Item0: 'Off'
Simple mixer control 'ALC Hold Time',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 15
Mono: 0 [0%]
Simple mixer control 'ALC Max Gain',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 7 [100%]
Simple mixer control 'ALC Min Gain',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 0 [0%]
Simple mixer control 'ALC Mode',0
Capabilities: enum
Items: 'ALC' 'Limiter'
Item0: 'ALC'
Simple mixer control 'ALC Target',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 15
Mono: 4 [27%]
Simple mixer control 'DAC Deemphasis',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'DAC Polarity',0
Capabilities: enum
Items: 'High' 'Low'
Item0: 'High'
Simple mixer control 'Left Boost Mixer LINPUT1',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'Left Boost Mixer LINPUT2',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Left Boost Mixer LINPUT3',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Left Input Boost Mixer LINPUT2',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 0 [0%] [-99999.99dB]
Simple mixer control 'Left Input Boost Mixer LINPUT3',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 0 [0%] [-99999.99dB]
Simple mixer control 'Left Input Mixer Boost',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Left Output Mixer Boost Bypass',0
Capabilities: volume volume-joined pswitch pswitch-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 2 [29%] [-15.00dB] Playback [off]
Simple mixer control 'Left Output Mixer LINPUT3',0
Capabilities: volume volume-joined pswitch pswitch-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 2 [29%] [-15.00dB] Playback [off]
Simple mixer control 'Left Output Mixer PCM',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Noise Gate',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Noise Gate Threshold',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 31
Mono: 0 [0%]
Simple mixer control 'Right Boost Mixer RINPUT1',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'Right Boost Mixer RINPUT2',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Right Boost Mixer RINPUT3',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Right Input Boost Mixer RINPUT2',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 0 [0%] [-99999.99dB]
Simple mixer control 'Right Input Boost Mixer RINPUT3',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 0 [0%] [-99999.99dB]
Simple mixer control 'Right Input Mixer Boost',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Right Output Mixer Boost Bypass',0
Capabilities: volume volume-joined pswitch pswitch-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 2 [29%] [-15.00dB] Playback [off]
Simple mixer control 'Right Output Mixer PCM',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Right Output Mixer RINPUT3',0
Capabilities: volume volume-joined pswitch pswitch-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 7
Mono: 2 [29%] [-15.00dB] Playback [off]
是哪里没有配置好还是驱动有问题
希望又遇到这个问题的并解决的大神，分析分析问题出在哪里，万分感激！！！
