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authorEllen Wang <ellen@cumulusnetworks.com>2015-07-10 07:04:31 +0200
committerJiri Kosina <jkosina@suse.com>2015-07-14 22:42:42 +0200
commit29e2d6d1f6f61ba2b5cc9d9867e01d8c31a6c4f7 (patch)
tree0aa7c167247635f584d3ade01de56a347b6fb051 /drivers/hid/hid-cp2112.c
parentHID: cp2112: fix I2C_SMBUS_BYTE write (diff)
downloadlinux-29e2d6d1f6f61ba2b5cc9d9867e01d8c31a6c4f7.tar.xz
linux-29e2d6d1f6f61ba2b5cc9d9867e01d8c31a6c4f7.zip
HID: cp2112: fix byte order in SMBUS operations
Change all occurrences of be16 to le16 in cp2112_xfer(), because SMBUS words are little endian, not big endian. Signed-off-by: Ellen Wang <ellen@cumulusnetworks.com> Cc: stable@vger.kernel.org Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/hid/hid-cp2112.c')
-rw-r--r--drivers/hid/hid-cp2112.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index a84d3700e740..7afc3fcc122c 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -589,7 +589,7 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr,
struct cp2112_device *dev = (struct cp2112_device *)adap->algo_data;
struct hid_device *hdev = dev->hdev;
u8 buf[64];
- __be16 word;
+ __le16 word;
ssize_t count;
size_t read_length = 0;
unsigned int retries;
@@ -621,7 +621,7 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr,
break;
case I2C_SMBUS_WORD_DATA:
read_length = 2;
- word = cpu_to_be16(data->word);
+ word = cpu_to_le16(data->word);
if (I2C_SMBUS_READ == read_write)
count = cp2112_write_read_req(buf, addr, read_length,
@@ -634,7 +634,7 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr,
size = I2C_SMBUS_WORD_DATA;
read_write = I2C_SMBUS_READ;
read_length = 2;
- word = cpu_to_be16(data->word);
+ word = cpu_to_le16(data->word);
count = cp2112_write_read_req(buf, addr, read_length, command,
(u8 *)&word, 2);
@@ -727,7 +727,7 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr,
data->byte = buf[0];
break;
case I2C_SMBUS_WORD_DATA:
- data->word = be16_to_cpup((__be16 *)buf);
+ data->word = le16_to_cpup((__le16 *)buf);
break;
case I2C_SMBUS_BLOCK_DATA:
if (read_length > I2C_SMBUS_BLOCK_MAX) {