AD9834_RESET
case AD9834_RESET:
st->control &= ~AD9834_RESET;
st->control |= AD9834_RESET;
static IIO_DEV_ATTR_OUT_ENABLE(0, 0200, NULL, ad9834_write, AD9834_RESET);
st->control = AD9834_B28 | AD9834_RESET;