提交 1c6e9de5 编写于 作者: H Heiko Schocher 提交者: Anatolij Gustschin

video, formike: change tag/val write

write first the "tag" 8 bit value and then the "val" 8-bit
to the display.

Tested on the rut board.
Signed-off-by: NHeiko Schocher <hs@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
上级 45ae2546
......@@ -27,10 +27,11 @@ static int spi_write_tag_val(struct spi_slave *spi, unsigned char tag,
int ret;
buf[0] = tag;
buf[1] = val;
flags |= SPI_XFER_END;
ret = spi_xfer(spi, 8, buf, NULL, flags);
buf[0] = val;
flags = SPI_XFER_END;
ret = spi_xfer(spi, 8, buf, NULL, flags);
ret = spi_xfer(spi, 16, buf, NULL, flags);
#ifdef KWH043ST20_F01_SPI_DEBUG
printf("spi_write_tag_val: tag=%02X, val=%02X ret: %d\n",
tag, val, ret);
......
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