aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/touchscreen/ads7846.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen/ads7846.c')
-rw-r--r--drivers/input/touchscreen/ads7846.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 907a45fe9d4..4d060321514 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -633,19 +633,17 @@ static void ads7846_rx_val(void *ads)
struct ads7846 *ts = ads;
struct spi_message *m;
struct spi_transfer *t;
- u16 *rx_val;
int val;
int action;
int status;
m = &ts->msg[ts->msg_idx];
t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
- rx_val = t->rx_buf;
/* adjust: on-wire is a must-ignore bit, a BE12 value, then padding;
* built from two 8 bit values written msb-first.
*/
- val = be16_to_cpu(*rx_val) >> 3;
+ val = be16_to_cpup((__be16 *)t->rx_buf) >> 3;
action = ts->filter(ts->filter_data, ts->msg_idx, &val);
switch (action) {
@@ -659,7 +657,7 @@ static void ads7846_rx_val(void *ads)
m = ts->last_msg;
break;
case ADS7846_FILTER_OK:
- *rx_val = val;
+ *(u16 *)t->rx_buf = val;
ts->tc.ignore = 0;
m = &ts->msg[++ts->msg_idx];
break;