/* bits 2..7 reserved => mask with 0x03 */
data->fan_ripple[nr - 1] &= ~0x03;
data->fan_ripple[nr - 1] |= v;
fscpos_write_value(client, reg, data->fan_ripple[nr - 1]);
/* bits 2..7 reserved => mask with 0x03 */
data->fan_ripple[nr - 1] &= ~0x03;
data->fan_ripple[nr - 1] |= v;
fscpos_write_value(client, reg, data->fan_ripple[nr - 1]);