ad7879: fix spi word size to 16 bit
Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
drivers/input/touchscreen/ad7879-spi.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/input/touchscreen/ad7879-spi.c
b/drivers/input/touchscreen/ad7879-spi.c
index 9fa8e5d..59c6e68 100644
--- a/drivers/input/touchscreen/ad7879-spi.c
+++ b/drivers/input/touchscreen/ad7879-spi.c
@@ -134,6 +134,7 @@ static const struct ad7879_bus_ops
ad7879_spi_bus_ops = {
static int __devinit ad7879_spi_probe(struct spi_device *spi)
{
struct ad7879 *ts;
+ int err;
/* don't exceed max specified SPI CLK frequency */
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;
}
+ 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);
if (IS_ERR(ts))
return PTR_ERR(ts);
--
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