diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/at91_adc.c | 16 | ||||
| -rw-r--r-- | drivers/iio/adc/men_z188_adc.c | 4 | ||||
| -rw-r--r-- | drivers/iio/adc/twl4030-madc.c | 1 | ||||
| -rw-r--r-- | drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 3 | ||||
| -rw-r--r-- | drivers/iio/magnetometer/ak8975.c | 9 | ||||
| -rw-r--r-- | drivers/iio/pressure/mpl3115.c | 6 |
6 files changed, 18 insertions, 21 deletions
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 3b5bacd4d8da..2b6a9ce9927c 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -510,12 +510,11 @@ static int at91_adc_channel_init(struct iio_dev *idev) return idev->num_channels; } -static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev, +static int at91_adc_get_trigger_value_by_name(struct iio_dev *idev, struct at91_adc_trigger *triggers, const char *trigger_name) { struct at91_adc_state *st = iio_priv(idev); - u8 value = 0; int i; for (i = 0; i < st->trigger_number; i++) { @@ -528,15 +527,16 @@ static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev, return -ENOMEM; if (strcmp(trigger_name, name) == 0) { - value = triggers[i].value; kfree(name); - break; + if (triggers[i].value == 0) + return -EINVAL; + return triggers[i].value; } kfree(name); } - return value; + return -EINVAL; } static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) @@ -546,14 +546,14 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) struct iio_buffer *buffer = idev->buffer; struct at91_adc_reg_desc *reg = st->registers; u32 status = at91_adc_readl(st, reg->trigger_register); - u8 value; + int value; u8 bit; value = at91_adc_get_trigger_value_by_name(idev, st->trigger_list, idev->trig->name); - if (value == 0) - return -EINVAL; + if (value < 0) + return value; if (state) { st->buffer = kmalloc(idev->scan_bytes, GFP_KERNEL); diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c index 6989c16aec2b..b58d6302521f 100644 --- a/drivers/iio/adc/men_z188_adc.c +++ b/drivers/iio/adc/men_z188_adc.c @@ -121,8 +121,8 @@ static int men_z188_probe(struct mcb_device *dev, indio_dev->num_channels = ARRAY_SIZE(z188_adc_iio_channels); mem = mcb_request_mem(dev, "z188-adc"); - if (!mem) - return -ENOMEM; + if (IS_ERR(mem)) + return PTR_ERR(mem); adc->base = ioremap(mem->start, resource_size(mem)); if (adc->base == NULL) diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index 7de1c4c87942..eb86786e698e 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -645,6 +645,7 @@ int twl4030_get_madc_conversion(int channel_no) req.channels = (1 << channel_no); req.method = TWL4030_MADC_SW2; req.active = 0; + req.raw = 0; req.func_cb = NULL; ret = twl4030_madc_conversion(&req); if (ret < 0) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 73282cee0c81..a3109a6f4d86 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -75,6 +75,9 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state) (s32)report_val); } + sensor_hub_get_feature(st->hsdev, st->power_state.report_id, + st->power_state.index, + &state_val); return 0; } EXPORT_SYMBOL(hid_sensor_power_state); diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 09ea5c481f4c..ea08313af0d2 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -373,8 +373,6 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) { struct ak8975_data *data = iio_priv(indio_dev); struct i2c_client *client = data->client; - u16 meas_reg; - s16 raw; int ret; mutex_lock(&data->lock); @@ -422,16 +420,11 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) dev_err(&client->dev, "Read axis data fails\n"); goto exit; } - meas_reg = ret; mutex_unlock(&data->lock); - /* Endian conversion of the measured values. */ - raw = (s16) (le16_to_cpu(meas_reg)); - /* Clamp to valid range. */ - raw = clamp_t(s16, raw, -4096, 4095); - *val = raw; + *val = clamp_t(s16, ret, -4096, 4095); return IIO_VAL_INT; exit: diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c index ba6d0c520e63..01b2e0b18878 100644 --- a/drivers/iio/pressure/mpl3115.c +++ b/drivers/iio/pressure/mpl3115.c @@ -98,7 +98,7 @@ static int mpl3115_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); if (ret < 0) return ret; - *val = sign_extend32(be32_to_cpu(tmp) >> 12, 23); + *val = be32_to_cpu(tmp) >> 12; return IIO_VAL_INT; case IIO_TEMP: /* in 0.0625 celsius / LSB */ mutex_lock(&data->lock); @@ -112,7 +112,7 @@ static int mpl3115_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); if (ret < 0) return ret; - *val = sign_extend32(be32_to_cpu(tmp) >> 20, 15); + *val = sign_extend32(be32_to_cpu(tmp) >> 20, 11); return IIO_VAL_INT; default: return -EINVAL; @@ -185,7 +185,7 @@ static const struct iio_chan_spec mpl3115_channels[] = { BIT(IIO_CHAN_INFO_SCALE), .scan_index = 0, .scan_type = { - .sign = 's', + .sign = 'u', .realbits = 20, .storagebits = 32, .shift = 12, |