From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 3 Jul 2012 09:21:28 +0000 (+0200)
Subject: staging iio adt7410: make 16bit mode default
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=d297b9bdad044a732223b44c19e8223d93fd3aa0;p=deliverable%2Flinux.git

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 917b6921e24d..1a4197013e9b 100644
--- 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)