diff options
| author | Irina Tirdea <irina.tirdea@intel.com> | 2015-04-13 18:40:56 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-04-26 21:48:11 +0300 |
| commit | c105ac6a039242e847d6b770ec2f4fa2c9f20a1b (patch) | |
| tree | 0ee539477c3a8d05103caf22d43fcd0a3b2ee994 /drivers/iio/accel/mma9553.c | |
| parent | 04aff96ad49d297fa530bb01aa09f1f39e65189a (diff) | |
| download | linux-c105ac6a039242e847d6b770ec2f4fa2c9f20a1b.tar.xz | |
iio: accel: mma9553: comment and error message fixes
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>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/accel/mma9553.c')
| -rw-r--r-- | drivers/iio/accel/mma9553.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c index f2118b1a7010..7c87ec41b8d0 100644 --- a/drivers/iio/accel/mma9553.c +++ b/drivers/iio/accel/mma9553.c @@ -75,14 +75,14 @@ #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. */ @@ -401,13 +401,13 @@ 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; @@ -459,7 +459,8 @@ 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; @@ -899,7 +900,7 @@ 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; } @@ -1111,16 +1112,16 @@ 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; } |