RT5677_MIC_BUF_BYTES
return *mic_write_offset < RT5677_MIC_BUF_BYTES ? 0 : -EFAULT;
min(target, RT5677_MIC_BUF_BYTES));
if (target >= RT5677_MIC_BUF_BYTES) {
target -= RT5677_MIC_BUF_BYTES;
rt5677_dsp->mic_read_offset = RT5677_MIC_BUF_BYTES -
new_bytes = RT5677_MIC_BUF_BYTES + mic_write_offset