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authorPeter Meerwald <pmeerw@pmeerw.net>2013-07-29 18:18:00 -0400
committerJonathan Cameron <jic23@kernel.org>2013-08-03 17:18:54 -0400
commitb6ff86f3f598a83715773923952565a36eafd952 (patch)
treebea1e33bff9887582c966025db00971f18863a44 /drivers/iio/dac
parent2669d723ac6a01857273848a090c747f044a62d3 (diff)
iio:mcp4725: Use devm_iio_device_alloc
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/dac')
-rw-r--r--drivers/iio/dac/mcp4725.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
index 18a78cd21e88..1f4a48e6a82c 100644
--- a/drivers/iio/dac/mcp4725.c
+++ b/drivers/iio/dac/mcp4725.c
@@ -292,15 +292,12 @@ static int mcp4725_probe(struct i2c_client *client,
292 292
293 if (!platform_data || !platform_data->vref_mv) { 293 if (!platform_data || !platform_data->vref_mv) {
294 dev_err(&client->dev, "invalid platform data"); 294 dev_err(&client->dev, "invalid platform data");
295 err = -EINVAL; 295 return -EINVAL;
296 goto exit;
297 } 296 }
298 297
299 indio_dev = iio_device_alloc(sizeof(*data)); 298 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
300 if (indio_dev == NULL) { 299 if (indio_dev == NULL)
301 err = -ENOMEM; 300 return -ENOMEM;
302 goto exit;
303 }
304 data = iio_priv(indio_dev); 301 data = iio_priv(indio_dev);
305 i2c_set_clientdata(client, indio_dev); 302 i2c_set_clientdata(client, indio_dev);
306 data->client = client; 303 data->client = client;
@@ -317,7 +314,7 @@ static int mcp4725_probe(struct i2c_client *client,
317 err = i2c_master_recv(client, inbuf, 3); 314 err = i2c_master_recv(client, inbuf, 3);
318 if (err < 0) { 315 if (err < 0) {
319 dev_err(&client->dev, "failed to read DAC value"); 316 dev_err(&client->dev, "failed to read DAC value");
320 goto exit_free_device; 317 return err;
321 } 318 }
322 pd = (inbuf[0] >> 1) & 0x3; 319 pd = (inbuf[0] >> 1) & 0x3;
323 data->powerdown = pd > 0 ? true : false; 320 data->powerdown = pd > 0 ? true : false;
@@ -326,25 +323,16 @@ static int mcp4725_probe(struct i2c_client *client,
326 323
327 err = iio_device_register(indio_dev); 324 err = iio_device_register(indio_dev);
328 if (err) 325 if (err)
329 goto exit_free_device; 326 return err;
330 327
331 dev_info(&client->dev, "MCP4725 DAC registered\n"); 328 dev_info(&client->dev, "MCP4725 DAC registered\n");
332 329
333 return 0; 330 return 0;
334
335exit_free_device:
336 iio_device_free(indio_dev);
337exit:
338 return err;
339} 331}
340 332
341static int mcp4725_remove(struct i2c_client *client) 333static int mcp4725_remove(struct i2c_client *client)
342{ 334{
343 struct iio_dev *indio_dev = i2c_get_clientdata(client); 335 iio_device_unregister(i2c_get_clientdata(client));
344
345 iio_device_unregister(indio_dev);
346 iio_device_free(indio_dev);
347
348 return 0; 336 return 0;
349} 337}
350 338