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-rw-r--r--drivers/iio/adc/ad7949.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iio/adc/ad7949.c b/drivers/iio/adc/ad7949.c
index 518044c31a73..5c2b3446fa4a 100644
--- a/drivers/iio/adc/ad7949.c
+++ b/drivers/iio/adc/ad7949.c
@@ -54,7 +54,7 @@ struct ad7949_adc_chip {
u8 resolution;
u16 cfg;
unsigned int current_channel;
- u32 buffer ____cacheline_aligned;
+ u16 buffer ____cacheline_aligned;
};
static int ad7949_spi_write_cfg(struct ad7949_adc_chip *ad7949_adc, u16 val,
@@ -67,7 +67,7 @@ static int ad7949_spi_write_cfg(struct ad7949_adc_chip *ad7949_adc, u16 val,
struct spi_transfer tx[] = {
{
.tx_buf = &ad7949_adc->buffer,
- .len = 4,
+ .len = 2,
.bits_per_word = bits_per_word,
},
};
@@ -95,7 +95,7 @@ static int ad7949_spi_read_channel(struct ad7949_adc_chip *ad7949_adc, int *val,
struct spi_transfer tx[] = {
{
.rx_buf = &ad7949_adc->buffer,
- .len = 4,
+ .len = 2,
.bits_per_word = bits_per_word,
},
};