通过指令读取widget与codec_reg的值

最新推荐文章于 2022-09-09 17:23:13 发布

RopenYuan

最新推荐文章于 2022-09-09 17:23:13 发布

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本文详细介绍了使用ADB指令进行RT3261 I2S1音频设备的系统配置和操作，包括读取音频寄存器、调用ALSA模块、配置音量控制、查看音频配置文件等内容。

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ADB指令：

cat /sys/devices/platform/soc-audio/RT3261\ I2S1/codec_reg
cat sys/devices/platform/soc-audio/RT3261\ I2S1/dapm_widget
cat /sys/devices/platform/rk29_i2c.0/i2c-0/0-001c/dsp_reg
cat /sys/devices/platform/rk30_i2c.0/i2c-0/0-001c/dsp_reg
alsa_amixer contents
alsa_amixer controls
logcat -v time -s ALSAModule ALSALib AudioHardwareALSA AudioFlinger AudioPolicyManagerALSA AudioTrack AudioHardwareInterface &
cd /proc/driver/
echo w:1d=2f2f > /proc/driver/rt3261_ts
echo w:fc=00e0 > /proc/driver/rt3261_ts
echo w:fa=0701 > /proc/driver/rt3261_ts
echo w:6a=003f > /proc/driver/rt3261_ts
echo w:6c=0000 > /proc/driver/rt3261_ts
cat /sys/devices/platform/rk29_i2c.0/i2c-0/0-001c/index_reg
echo r:fa >/proc/driver/rt3261_ts
cat /system/etc/asound.conf
cd /sys/devices/platform/rk29_i2c.0/i2c-0/0-001c
cd /sys/devices/platform/rk30_i2c.0/i2c-0/0-001c
echo "230c 0300" > dsp_reg
echo "230c 0300" > /sys/devices/platform/rk29_i2c.0/i2c-0/0-001c/dsp_reg
echo c:230c >/proc/driver/rt3261_ts

alsa_amixer cget name='OUT Playback Volume'
alsa_amixer cset name='OUT Playback Volume' 31 31
alsa_amixer cget name='RECMIXL BST1 Switch'
alsa_amixer cget name='RECMIXR BST1 Switch'
alsa_amixer cset name='RECMIXL BST1 Switch' 1

alsa_amixer cset name='RECMIXR BST1 Switch' 1

cat sys/devices/platform/soc-audio/RT3261\ I2S1/dapm_widget