video, formike: change tag/val write
authorHeiko Schocher <hs@denx.de>
Tue, 22 Oct 2013 09:06:24 +0000 (11:06 +0200)
committerAnatolij Gustschin <agust@denx.de>
Wed, 30 Oct 2013 09:48:41 +0000 (10:48 +0100)
write first the "tag" 8 bit value and then the "val" 8-bit
to the display.

Tested on the rut board.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
drivers/video/formike.c

index b9b68221387d84c4cbf962f6c28b46647f09d9bc..138315843f816e69d66d86829f9866faf645f46b 100644 (file)
@@ -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);