提交 c7735471 编写于 作者: L Linus Torvalds

Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging

* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  i2c/pca954x: Initialize the mux to disconnected state
  i2c-taos-evm: Fix log messages
......@@ -234,7 +234,7 @@ static int taos_connect(struct serio *serio, struct serio_driver *drv)
if (taos->state != TAOS_STATE_IDLE) {
err = -ENODEV;
dev_dbg(&serio->dev, "TAOS EVM reset failed (state=%d, "
dev_err(&serio->dev, "TAOS EVM reset failed (state=%d, "
"pos=%d)\n", taos->state, taos->pos);
goto exit_close;
}
......@@ -255,7 +255,7 @@ static int taos_connect(struct serio *serio, struct serio_driver *drv)
msecs_to_jiffies(250));
if (taos->state != TAOS_STATE_IDLE) {
err = -ENODEV;
dev_err(&adapter->dev, "Echo off failed "
dev_err(&serio->dev, "TAOS EVM echo off failed "
"(state=%d)\n", taos->state);
goto exit_close;
}
......@@ -263,7 +263,7 @@ static int taos_connect(struct serio *serio, struct serio_driver *drv)
err = i2c_add_adapter(adapter);
if (err)
goto exit_close;
dev_dbg(&serio->dev, "Connected to TAOS EVM\n");
dev_info(&serio->dev, "Connected to TAOS EVM\n");
taos->client = taos_instantiate_device(adapter);
return 0;
......@@ -288,7 +288,7 @@ static void taos_disconnect(struct serio *serio)
serio_set_drvdata(serio, NULL);
kfree(taos);
dev_dbg(&serio->dev, "Disconnected from TAOS EVM\n");
dev_info(&serio->dev, "Disconnected from TAOS EVM\n");
}
static struct serio_device_id taos_serio_ids[] = {
......
......@@ -201,10 +201,11 @@ static int pca954x_probe(struct i2c_client *client,
i2c_set_clientdata(client, data);
/* Read the mux register at addr to verify
* that the mux is in fact present.
/* Write the mux register at addr to verify
* that the mux is in fact present. This also
* initializes the mux to disconnected state.
*/
if (i2c_smbus_read_byte(client) < 0) {
if (i2c_smbus_write_byte(client, 0) < 0) {
dev_warn(&client->dev, "probe failed\n");
goto exit_free;
}
......
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