将AK4643音频驱动移植后，用aplay *.wav播放音频是没有声音，下面是内核打印信息：
mxc_hdmi_soc mxc_hdmi_soc.0: MXC HDMI Audio
imx-hdmi-soc-dai imx-hdmi-soc-dai.0: Failed: Load HDMI-video first.
ak4643 1-000a: Failed to get supply 'DVDD': -19
print_constraints: 1-000a: 850 <--> 1600 mV at 1200 mV normal
ak4643 1-000a: asoc: no dapm match for ADC --> ADC --> DAP_IN
ak4643 1-000a: Failed to add route ADC->DAP_IN
asoc: ak4643 <-> imx-ssi.1 mapping ok
mmc0: new high speed DDR MMC card at address 0001
Initialize HDMI-audio failed. Load HDMI-video first!
ALSA device list:
#0: ak4643-audio |
|
