From 1c6e9de53ba47afacd26fb784818aeb63a01baad Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Tue, 22 Oct 2013 11:06:24 +0200
Subject: [PATCH] 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: Heiko Schocher <hs@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
---
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 b9b6822138..138315843f 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);
--
2.39.5