NAU8821_CLK_DIS
nau8821_configure_sysclk(nau8821, NAU8821_CLK_DIS, 0);
case NAU8821_CLK_DIS:
nau8821_configure_sysclk(nau8821, NAU8821_CLK_DIS, 0);
nau8821_configure_sysclk(nau8821, NAU8821_CLK_DIS, 0);