summaryrefslogtreecommitdiffstats
path: root/drivers/i2c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/i2c-core.c64
1 files changed, 20 insertions, 44 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index ecf43b13fefc..f50342832d95 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -611,27 +611,16 @@ 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)
@@ -639,31 +628,18 @@ 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;
}
OpenPOWER on IntegriCloud