18 static int send_word(struct s6e63d6 *data, u8 rs, u16 word)  in send_word()  argument
25 	u32 buf8 = 0x70 | data->id | (rs & 2);  in send_word()
30 	err = spi_xfer(data->slave, 8, &buf8, &buf_in, SPI_XFER_BEGIN);  in send_word()
34 	return spi_xfer(data->slave, 16, &buf16, &buf_in, SPI_XFER_END);  in send_word()
38 int s6e63d6_index(struct s6e63d6 *data, u8 idx)  in s6e63d6_index()  argument
40 	return send_word(data, 0, idx);  in s6e63d6_index()
43 int s6e63d6_param(struct s6e63d6 *data, u16 param)  in s6e63d6_param()  argument
45 	return send_word(data, 2, param);  in s6e63d6_param()
48 int s6e63d6_init(struct s6e63d6 *data)  in s6e63d6_init()  argument
50 	if (data->id != 0 && data->id != 4) {  in s6e63d6_init()
51 		printf("s6e63d6: invalid ID %u\n", data->id);  in s6e63d6_init()
55 	data->slave = spi_setup_slave(data->bus, data->cs, 100000, SPI_MODE_3);  in s6e63d6_init()
56 	if (!data->slave)  in s6e63d6_init()