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Input: ad7879 - fix spi word size to 16 bit 

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Michael Hennerich 2010-06-30 14:51:09 -07:00 committed by Dmitry Torokhov
parent 16ea10a7d5
commit 447b9065b4
1 changed files with 8 additions and 0 deletions
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8
drivers/input/touchscreen/ad7879-spi.c
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@ -134,6 +134,7 @@ static const struct ad7879_bus_ops ad7879_spi_bus_ops = {
static int __devinit ad7879_spi_probe(struct spi_device *spi) static int __devinit ad7879_spi_probe(struct spi_device *spi)
{ {
struct ad7879 *ts; struct ad7879 *ts;
int err;
/* don't exceed max specified SPI CLK frequency */ /* don't exceed max specified SPI CLK frequency */
if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) { if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) {
@ -141,6 +142,13 @@ static int __devinit ad7879_spi_probe(struct spi_device *spi)
return -EINVAL; return -EINVAL;
} }
spi->bits_per_word = 16;
err = spi_setup(spi);
if (err) {
dev_dbg(&spi->dev, "spi master doesn't support 16 bits/word\n");
return err;
}
ts = ad7879_probe(&spi->dev, AD7879_DEVID, spi->irq, &ad7879_spi_bus_ops); ts = ad7879_probe(&spi->dev, AD7879_DEVID, spi->irq, &ad7879_spi_bus_ops);
if (IS_ERR(ts)) if (IS_ERR(ts))
return PTR_ERR(ts); return PTR_ERR(ts);