[PATCH v2 09/17] iio: accel: mma9553: comment and error message fixes

Irina Tirdea
2015-04-13T15:40:56Z

Use "GPIO" instead of "gpio" and "ACPI" instead of "acpi".

Includes a couple of small style fixes in comments
(missing full stop, whitespace, paranthesis).

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Suggested-by: Hartmut Knaack <knaack.h@gmx.de>
---
drivers/iio/accel/mma9553.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index 0f30006..a6b74de 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -76,14 +76,14 @@
#define MMA9553_DEFAULT_GPIO_PIN mma9551_gpio6
#define MMA9553_DEFAULT_GPIO_POLARITY 0

-/* Bitnum used for gpio configuration = bit number in high status byte */
#define STATUS_TO_BITNUM(bit) (ffs(bit) - 9)
+/* Bitnum used for GPIO configuration = bit number in high status byte */

#define MMA9553_DEFAULT_SAMPLE_RATE 30 /* Hz */

/*
* The internal activity level must be stable for ACTTHD samples before
- * ACTIVITY is updated.The ACTIVITY variable contains the current activity
+ * ACTIVITY is updated. The ACTIVITY variable contains the current activity
* level and is updated every time a step is detected or once a second
* if there are no steps.
*/
@@ -399,13 +399,13 @@ static int mma9553_init(struct mma9553_data *data)
sizeof(data->conf), (u16 *) &data->conf);
if (ret < 0) {
dev_err(&data->client->dev,
- "device is not MMA9553L: failed to read cfg regs\n");
+ "failed to read configuration registers\n");
return ret;
}

- /* Reset gpio */
data->gpio_bitnum = -1;
+ /* Reset GPIO */
ret = mma9553_conf_gpio(data);
if (ret < 0)
return ret;
@@ -457,7 +457,8 @@ static int mma9553_read_raw(struct iio_dev *indio_dev,
* The HW only counts steps and other dependent
* parameters (speed, distance, calories, activity)
* if power is on (from enabling an event or the
- * step counter */
+ * step counter).
+ */
powered_on =
mma9553_is_any_event_enabled(data, false, 0) ||
data->stepcnt_enabled;
@@ -900,7 +901,7 @@ static int mma9553_get_calibgender_mode(struct iio_dev *indio_dev,
gender = mma9553_get_bits(data->conf.filter, MMA9553_MASK_CONF_MALE);
/*
* HW expects 0 for female and 1 for male,
- * while iio index is 0 for male and 1 for female
+ * while iio index is 0 for male and 1 for female.
*/
return !gender;
}
@@ -1113,16 +1114,16 @@ static int mma9553_gpio_probe(struct i2c_client *client)

dev = &client->dev;

- /* data ready gpio interrupt pin */
+ /* data ready GPIO interrupt pin */
gpio = devm_gpiod_get_index(dev, MMA9553_GPIO_NAME, 0, GPIOD_IN);
if (IS_ERR(gpio)) {
- dev_err(dev, "acpi gpio get index failed\n");
+ dev_err(dev, "ACPI GPIO get index failed\n");
return PTR_ERR(gpio);
}

ret = gpiod_to_irq(gpio);

- dev_dbg(dev, "gpio resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
+ dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);

return ret;
}
--
1.9.1