SPM_REG_AVS_CTL
[SPM_REG_AVS_CTL] = 0x18,
avs_ctl = spm_register_read(drv, SPM_REG_AVS_CTL);
spm_register_write(drv, SPM_REG_AVS_CTL, avs_ctl);
spm_register_write(drv, SPM_REG_AVS_CTL, avs_ctl);
spm_register_write(drv, SPM_REG_AVS_CTL, avs_ctl);
spm_register_write(drv, SPM_REG_AVS_CTL, drv->reg_data->avs_ctl);
[SPM_REG_AVS_CTL] = 0x904,