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yaml
---
r: 2704
b: refs/heads/master
c: 815f55f
h: refs/heads/master
v: v3
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Jean Delvare authored and Greg Kroah-Hartman committed Jun 22, 2005
1 parent 41ca0fa commit 811234e
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Showing 2 changed files with 21 additions and 45 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 30aedcb33970367e50b5edf373e9cd1a5cebcbe1
refs/heads/master: 815f55f280fb2781ba1c2a350516b73e55119c60
64 changes: 20 additions & 44 deletions trunk/drivers/i2c/i2c-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -611,59 +611,35 @@ int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
struct i2c_adapter *adap=client->adapter;
struct i2c_msg msg;

if (client->adapter->algo->master_xfer) {
msg.addr = client->addr;
msg.flags = client->flags & I2C_M_TEN;
msg.len = count;
msg.buf = (char *)buf;
msg.addr = client->addr;
msg.flags = client->flags & I2C_M_TEN;
msg.len = count;
msg.buf = (char *)buf;

dev_dbg(&client->adapter->dev, "master_send: writing %d bytes.\n",
count);

down(&adap->bus_lock);
ret = adap->algo->master_xfer(adap,&msg,1);
up(&adap->bus_lock);
ret = i2c_transfer(adap, &msg, 1);

/* if everything went ok (i.e. 1 msg transmitted), return #bytes
* transmitted, else error code.
*/
return (ret == 1 )? count : ret;
} else {
dev_err(&client->adapter->dev, "I2C level transfers not supported\n");
return -ENOSYS;
}
/* If everything went ok (i.e. 1 msg transmitted), return #bytes
transmitted, else error code. */
return (ret == 1) ? count : ret;
}

int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
{
struct i2c_adapter *adap=client->adapter;
struct i2c_msg msg;
int ret;
if (client->adapter->algo->master_xfer) {
msg.addr = client->addr;
msg.flags = client->flags & I2C_M_TEN;
msg.flags |= I2C_M_RD;
msg.len = count;
msg.buf = buf;

dev_dbg(&client->adapter->dev, "master_recv: reading %d bytes.\n",
count);

down(&adap->bus_lock);
ret = adap->algo->master_xfer(adap,&msg,1);
up(&adap->bus_lock);

dev_dbg(&client->adapter->dev, "master_recv: return:%d (count:%d, addr:0x%02x)\n",
ret, count, client->addr);

/* if everything went ok (i.e. 1 msg transmitted), return #bytes
* transmitted, else error code.
*/
return (ret == 1 )? count : ret;
} else {
dev_err(&client->adapter->dev, "I2C level transfers not supported\n");
return -ENOSYS;
}

msg.addr = client->addr;
msg.flags = client->flags & I2C_M_TEN;
msg.flags |= I2C_M_RD;
msg.len = count;
msg.buf = buf;

ret = i2c_transfer(adap, &msg, 1);

/* If everything went ok (i.e. 1 msg transmitted), return #bytes
transmitted, else error code. */
return (ret == 1) ? count : ret;
}


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