mp2888_read_phase
ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS1_2);
ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS3_4);
ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS5_6);
ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS7_8);
ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS9_10);