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path: root/drivers/input/touchscreen/ads7846.c
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Diffstat (limited to 'drivers/input/touchscreen/ads7846.c')
-rw-r--r--drivers/input/touchscreen/ads7846.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 67264c5b49cb..4d3df2fe0b6d 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -329,7 +329,6 @@ struct ser_req {
u8 ref_on;
u8 command;
u8 ref_off;
- u16 scratch;
struct spi_message msg;
struct spi_transfer xfer[8];
/*
@@ -337,6 +336,7 @@ struct ser_req {
* transfer buffers to live in their own cache lines.
*/
__be16 sample ____cacheline_aligned;
+ u16 scratch;
};
struct ads7845_ser_req {
@@ -408,8 +408,7 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
spi_message_add_tail(&req->xfer[5], &req->msg);
/* clear the command register */
- req->scratch = 0;
- req->xfer[6].tx_buf = &req->scratch;
+ req->xfer[6].rx_buf = &req->scratch;
req->xfer[6].len = 1;
spi_message_add_tail(&req->xfer[6], &req->msg);