RK3308开发板耳机孔输出声音小
购买来的RK3308开发板,耳机孔输出调到很大,声音还是很小。这个是哪里有问题?? http://wiki.t-firefly.com/ROC-RK3308-CC/faq.html按照维基调整输出增益即可! 调增益就可以调节放音的声音amixer cset name='Master Playback Volume' 99 //软件增益
amixer cset name='DAC HPOUT Left Volume' 30 //codec 耳机增益
amixer cset name='DAC HPOUT Right Volume' 30
amixer cset name='DAC LINEOUT Left Volume' 3 //codec 喇叭增益
amixer cset name='DAC LINEOUT Right Volume' 3
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