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| author | Heiko Schocher <hs@denx.de> | 2013-10-22 11:06:24 +0200 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2013-10-30 10:48:41 +0100 |
| commit | 1c6e9de53ba47afacd26fb784818aeb63a01baad (patch) | |
| tree | 2b2b1bdab4ca1fc3082091be083c92a1bba67537 /drivers/video/formike.c | |
| parent | 45ae2546ef157b647d8684845c6554283b80be92 (diff) | |
| download | u-boot-1c6e9de53ba47afacd26fb784818aeb63a01baad.tar.gz u-boot-1c6e9de53ba47afacd26fb784818aeb63a01baad.tar.xz u-boot-1c6e9de53ba47afacd26fb784818aeb63a01baad.zip | |
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>
Diffstat (limited to 'drivers/video/formike.c')
| -rw-r--r-- | drivers/video/formike.c | 7 |
1 files 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); |