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>
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@ -367,6 +367,7 @@ static int __devinit tdo24m_probe(struct spi_device *spi)
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spi_message_init(m);
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x->cs_change = 1;
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x->tx_buf = &lcd->buf[0];
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spi_message_add_tail(x, m);
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