aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input/touchscreen/ad7879-spi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen/ad7879-spi.c')
-rw-r--r--drivers/input/touchscreen/ad7879-spi.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/ad7879-spi.c b/drivers/input/touchscreen/ad7879-spi.c
index 9fa8e5de5ff..59c6e68c432 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 = {
134static int __devinit ad7879_spi_probe(struct spi_device *spi) 134static int __devinit ad7879_spi_probe(struct spi_device *spi)
135{ 135{
136 struct ad7879 *ts; 136 struct ad7879 *ts;
137 int err;
137 138
138 /* don't exceed max specified SPI CLK frequency */ 139 /* don't exceed max specified SPI CLK frequency */
139 if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) { 140 if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) {
@@ -141,6 +142,13 @@ static int __devinit ad7879_spi_probe(struct spi_device *spi)
141 return -EINVAL; 142 return -EINVAL;
142 } 143 }
143 144
145 spi->bits_per_word = 16;
146 err = spi_setup(spi);
147 if (err) {
148 dev_dbg(&spi->dev, "spi master doesn't support 16 bits/word\n");
149 return err;
150 }
151
144 ts = ad7879_probe(&spi->dev, AD7879_DEVID, spi->irq, &ad7879_spi_bus_ops); 152 ts = ad7879_probe(&spi->dev, AD7879_DEVID, spi->irq, &ad7879_spi_bus_ops);
145 if (IS_ERR(ts)) 153 if (IS_ERR(ts))
146 return PTR_ERR(ts); 154 return PTR_ERR(ts);