Lines Matching defs:buf
30 u8 buf[4] = { 0 };
34 buf[0] = reg;
35 buf[1] = TPS6594_REG_TO_PAGE(reg) << TPS6594_SPI_PAGE_SHIFT | TPS6594_SPI_READ_BIT;
40 ret = spi_write_then_read(spi, buf, 2, buf + 2, count_rx);
44 if (tps->use_crc && buf[3] != crc8(tps6594_spi_crc_table, buf, 3, CRC8_INIT_VALUE))
47 *val = buf[2];
56 u8 buf[4] = { 0 };
59 buf[0] = reg;
60 buf[1] = TPS6594_REG_TO_PAGE(reg) << TPS6594_SPI_PAGE_SHIFT;
61 buf[2] = val;
64 buf[3] = crc8(tps6594_spi_crc_table, buf, count++, CRC8_INIT_VALUE);
66 return spi_write(spi, buf, count);