summaryrefslogtreecommitdiffstats
path: root/drivers/i2c/i2c-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c90
1 files changed, 45 insertions, 45 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 7c469a62c3c..db3c9f3a764 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1221,10 +1221,10 @@ EXPORT_SYMBOL(i2c_transfer);
*
* Returns negative errno, or else the number of bytes written.
*/
-int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
+int i2c_master_send(struct i2c_client *client, const char *buf, int count)
{
int ret;
- struct i2c_adapter *adap=client->adapter;
+ struct i2c_adapter *adap = client->adapter;
struct i2c_msg msg;
msg.addr = client->addr;
@@ -1248,9 +1248,9 @@ EXPORT_SYMBOL(i2c_master_send);
*
* Returns negative errno, or else the number of bytes read.
*/
-int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
+int i2c_master_recv(struct i2c_client *client, char *buf, int count)
{
- struct i2c_adapter *adap=client->adapter;
+ struct i2c_adapter *adap = client->adapter;
struct i2c_msg msg;
int ret;
@@ -1452,7 +1452,7 @@ i2c_new_probed_device(struct i2c_adapter *adap,
}
EXPORT_SYMBOL_GPL(i2c_new_probed_device);
-struct i2c_adapter* i2c_get_adapter(int id)
+struct i2c_adapter *i2c_get_adapter(int id)
{
struct i2c_adapter *adapter;
@@ -1479,7 +1479,7 @@ static u8 crc8(u16 data)
{
int i;
- for(i = 0; i < 8; i++) {
+ for (i = 0; i < 8; i++) {
if (data & 0x8000)
data = data ^ POLY;
data = data << 1;
@@ -1492,7 +1492,7 @@ static u8 i2c_smbus_pec(u8 crc, u8 *p, size_t count)
{
int i;
- for(i = 0; i < count; i++)
+ for (i = 0; i < count; i++)
crc = crc8((crc ^ p[i]) << 8);
return crc;
}
@@ -1562,7 +1562,7 @@ EXPORT_SYMBOL(i2c_smbus_read_byte);
*/
s32 i2c_smbus_write_byte(struct i2c_client *client, u8 value)
{
- return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
+ return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL);
}
EXPORT_SYMBOL(i2c_smbus_write_byte);
@@ -1600,9 +1600,9 @@ s32 i2c_smbus_write_byte_data(struct i2c_client *client, u8 command, u8 value)
{
union i2c_smbus_data data;
data.byte = value;
- return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
- I2C_SMBUS_WRITE,command,
- I2C_SMBUS_BYTE_DATA,&data);
+ return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+ I2C_SMBUS_WRITE, command,
+ I2C_SMBUS_BYTE_DATA, &data);
}
EXPORT_SYMBOL(i2c_smbus_write_byte_data);
@@ -1639,9 +1639,9 @@ s32 i2c_smbus_write_word_data(struct i2c_client *client, u8 command, u16 value)
{
union i2c_smbus_data data;
data.word = value;
- return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
- I2C_SMBUS_WRITE,command,
- I2C_SMBUS_WORD_DATA,&data);
+ return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+ I2C_SMBUS_WRITE, command,
+ I2C_SMBUS_WORD_DATA, &data);
}
EXPORT_SYMBOL(i2c_smbus_write_word_data);
@@ -1718,9 +1718,9 @@ s32 i2c_smbus_write_block_data(struct i2c_client *client, u8 command,
length = I2C_SMBUS_BLOCK_MAX;
data.block[0] = length;
memcpy(&data.block[1], values, length);
- return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
- I2C_SMBUS_WRITE,command,
- I2C_SMBUS_BLOCK_DATA,&data);
+ return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
+ I2C_SMBUS_WRITE, command,
+ I2C_SMBUS_BLOCK_DATA, &data);
}
EXPORT_SYMBOL(i2c_smbus_write_block_data);
@@ -1762,10 +1762,10 @@ EXPORT_SYMBOL(i2c_smbus_write_i2c_block_data);
/* Simulate a SMBus command using the i2c protocol
No checking of parameters is done! */
-static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
- unsigned short flags,
- char read_write, u8 command, int size,
- union i2c_smbus_data * data)
+static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
+ unsigned short flags,
+ char read_write, u8 command, int size,
+ union i2c_smbus_data *data)
{
/* So we need to generate a series of msgs. In the case of writing, we
need to use only one message; when reading, we need two. We initialize
@@ -1773,7 +1773,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
simpler. */
unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX+3];
unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX+2];
- int num = read_write == I2C_SMBUS_READ?2:1;
+ int num = read_write == I2C_SMBUS_READ ? 2 : 1;
struct i2c_msg msg[2] = { { addr, flags, 1, msgbuf0 },
{ addr, flags | I2C_M_RD, 0, msgbuf1 }
};
@@ -1782,7 +1782,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
int status;
msgbuf0[0] = command;
- switch(size) {
+ switch (size) {
case I2C_SMBUS_QUICK:
msg[0].len = 0;
/* Special case: The read/write field is used as data */
@@ -1809,7 +1809,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
if (read_write == I2C_SMBUS_READ)
msg[1].len = 2;
else {
- msg[0].len=3;
+ msg[0].len = 3;
msgbuf0[1] = data->word & 0xff;
msgbuf0[2] = data->word >> 8;
}
@@ -1902,26 +1902,26 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
}
if (read_write == I2C_SMBUS_READ)
- switch(size) {
- case I2C_SMBUS_BYTE:
- data->byte = msgbuf0[0];
- break;
- case I2C_SMBUS_BYTE_DATA:
- data->byte = msgbuf1[0];
- break;
- case I2C_SMBUS_WORD_DATA:
- case I2C_SMBUS_PROC_CALL:
- data->word = msgbuf1[0] | (msgbuf1[1] << 8);
- break;
- case I2C_SMBUS_I2C_BLOCK_DATA:
- for (i = 0; i < data->block[0]; i++)
- data->block[i+1] = msgbuf1[i];
- break;
- case I2C_SMBUS_BLOCK_DATA:
- case I2C_SMBUS_BLOCK_PROC_CALL:
- for (i = 0; i < msgbuf1[0] + 1; i++)
- data->block[i] = msgbuf1[i];
- break;
+ switch (size) {
+ case I2C_SMBUS_BYTE:
+ data->byte = msgbuf0[0];
+ break;
+ case I2C_SMBUS_BYTE_DATA:
+ data->byte = msgbuf1[0];
+ break;
+ case I2C_SMBUS_WORD_DATA:
+ case I2C_SMBUS_PROC_CALL:
+ data->word = msgbuf1[0] | (msgbuf1[1] << 8);
+ break;
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ for (i = 0; i < data->block[0]; i++)
+ data->block[i+1] = msgbuf1[i];
+ break;
+ case I2C_SMBUS_BLOCK_DATA:
+ case I2C_SMBUS_BLOCK_PROC_CALL:
+ for (i = 0; i < msgbuf1[0] + 1; i++)
+ data->block[i] = msgbuf1[i];
+ break;
}
return 0;
}
@@ -1966,7 +1966,7 @@ s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, unsigned short flags,
}
rt_mutex_unlock(&adapter->bus_lock);
} else
- res = i2c_smbus_xfer_emulated(adapter,addr,flags,read_write,
+ res = i2c_smbus_xfer_emulated(adapter, addr, flags, read_write,
command, protocol, data);
return res;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 08:38:23 +0000