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| author | Mike Rapoport <mike@compulab.co.il> | 2009-11-24 10:25:33 +0200 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2009-12-01 09:02:34 +0800 |
| commit | f64dcac0b1247842db2530959cbe3df1cb1947c4 (patch) | |
| tree | fed5cf0fcf83081deffda476fcdcca2eb6407f8f | |
| parent | fa3f99384c20751c66962848807403ff171dc02f (diff) | |
| download | talos-obmc-linux-f64dcac0b1247842db2530959cbe3df1cb1947c4.tar.gz talos-obmc-linux-f64dcac0b1247842db2530959cbe3df1cb1947c4.zip | |
backlight: tdo24m: ensure chip select changes between transfers
Some SPI host drivers do not change chip select betwen transfers unless
.cs_chnage field is explicitly set. The LCD spec requires chip select
change between consecuitive transfers, so ensure it at the SPI driver
level.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
| -rw-r--r-- | drivers/video/backlight/tdo24m.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index bbfb502add67..4a3d46e08016 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -367,6 +367,7 @@ static int __devinit tdo24m_probe(struct spi_device *spi) spi_message_init(m); + x->cs_change = 1; x->tx_buf = &lcd->buf[0]; spi_message_add_tail(x, m); |
