Commit f64dcac0 authored Nov 24, 2009 by Mike Rapoport Committed by Eric Miao Dec 01, 2009

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>

parent fa3f9938

drivers/video/backlight/tdo24m.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);