From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Date: Tue, 22 Oct 2013 11:06:24 +0200 Subject: [U-Boot] [PATCH] video, formike: change tag/val write Message-ID: <1382432784-22687-1-git-send-email-hs@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 Cc: Anatolij Gustschin --- drivers/video/formike.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/video/formike.c b/drivers/video/formike.c index b9b6822..1383158 100644 --- a/drivers/video/formike.c +++ b/drivers/video/formike.c @@ -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); -- 1.8.3.1