staging iio adt7410: make 16bit mode default

In 13bit mode the lower three bits of the adc value contain
flags. The driver does not use these flags at all, so make 16bit
mode the default.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
index 917b6921e24d71f589f7e0bbf4b12bafd78adda1..1a4197013e9ba7c6c2bf519e5499b8d71e6b7515 100644 (file)
--- a/drivers/staging/iio/adc/adt7410.c
+++ b/drivers/staging/iio/adc/adt7410.c
@@ -761,13 +761,15 @@ static int __devinit adt7410_probe(struct i2c_client *client,
                        goto error_unreg_ct_irq;
        }
 
-       if (client->irq && adt7410_platform_data[0]) {
+       ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config);
+       if (ret) {
+               ret = -EIO;
+               goto error_unreg_int_irq;
+       }
 
-               ret = adt7410_i2c_read_byte(chip, ADT7410_CONFIG, &chip->config);
-               if (ret) {
-                       ret = -EIO;
-                       goto error_unreg_int_irq;
-               }
+       chip->config |= ADT7410_RESOLUTION;
+
+       if (client->irq && adt7410_platform_data[0]) {
 
                /* set irq polarity low level */
                chip->config &= ~ADT7410_CT_POLARITY;
@@ -776,12 +778,12 @@ static int __devinit adt7410_probe(struct i2c_client *client,
                        chip->config |= ADT7410_INT_POLARITY;
                else
                        chip->config &= ~ADT7410_INT_POLARITY;
+       }
 
-               ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, chip->config);
-               if (ret) {
-                       ret = -EIO;
-                       goto error_unreg_int_irq;
-               }
+       ret = adt7410_i2c_write_byte(chip, ADT7410_CONFIG, chip->config);
+       if (ret) {
+               ret = -EIO;
+               goto error_unreg_int_irq;
        }
        ret = iio_device_register(indio_dev);
        if (ret)