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path: root/drivers/misc/ad525x_dpot-spi.c
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Diffstat (limited to 'drivers/misc/ad525x_dpot-spi.c')
-rw-r--r--drivers/misc/ad525x_dpot-spi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/ad525x_dpot-spi.c b/drivers/misc/ad525x_dpot-spi.c
index 9da04ede04f3..f4c82eafa8e5 100644
--- a/drivers/misc/ad525x_dpot-spi.c
+++ b/drivers/misc/ad525x_dpot-spi.c
@@ -15,18 +15,21 @@
15static int write8(void *client, u8 val) 15static int write8(void *client, u8 val)
16{ 16{
17 u8 data = val; 17 u8 data = val;
18
18 return spi_write(client, &data, 1); 19 return spi_write(client, &data, 1);
19} 20}
20 21
21static int write16(void *client, u8 reg, u8 val) 22static int write16(void *client, u8 reg, u8 val)
22{ 23{
23 u8 data[2] = {reg, val}; 24 u8 data[2] = {reg, val};
25
24 return spi_write(client, data, 2); 26 return spi_write(client, data, 2);
25} 27}
26 28
27static int write24(void *client, u8 reg, u16 val) 29static int write24(void *client, u8 reg, u16 val)
28{ 30{
29 u8 data[3] = {reg, val >> 8, val}; 31 u8 data[3] = {reg, val >> 8, val};
32
30 return spi_write(client, data, 3); 33 return spi_write(client, data, 3);
31} 34}
32 35
@@ -34,6 +37,7 @@ static int read8(void *client)
34{ 37{
35 int ret; 38 int ret;
36 u8 data; 39 u8 data;
40
37 ret = spi_read(client, &data, 1); 41 ret = spi_read(client, &data, 1);
38 if (ret < 0) 42 if (ret < 0)
39 return ret; 43 return ret;