Commit df47c0a6 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

Merge tag 'iio-fixes-for-4.11e' of... 

Merge tag 'iio-fixes-for-4.11e' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Fifth set of IIO fixes for the 4.11 cycle.

As these are rather late in the cycle, they may sneak over into 4.12.
There is a fix for a regression caused by another fix (hid sensors
hardware seems to vary a lot in how various corner cases are handled).

* ad7303
  - fix channel description. Numeric values were being passed as characters
  presumably leading to garbage from the userspace interface.
* as3935
  - the write data macro was wrong so fix it.
* bmp280
  - incorrect handling of negative values as being unsigned broke humidity
  calculation.
* hid-sensor
  - Restore the poll and hysteresis values after resume as some hardware
  doesn't do it.
* stm32-trigger
  - buglet in reading the sampling frequency
parents d47e5382 ed3730c4

drivers/iio/common/hid-sensors/hid-sensor-attributes.c

+24 −2
Original line number Diff line number Diff line
@@ -232,7 +232,15 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st, 
	if (ret < 0 || value < 0)

		ret = -EINVAL;



	return ret;

	ret = sensor_hub_get_feature(st->hsdev,

				     st->poll.report_id,

				     st->poll.index, sizeof(value), &value);

	if (ret < 0 || value < 0)

		return -EINVAL;



	st->poll_interval = value;



	return 0;

}

EXPORT_SYMBOL(hid_sensor_write_samp_freq_value);
@@ -277,7 +285,16 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, 
	if (ret < 0 || value < 0)

		ret = -EINVAL;



	return ret;

	ret = sensor_hub_get_feature(st->hsdev,

				     st->sensitivity.report_id,

				     st->sensitivity.index, sizeof(value),

				     &value);

	if (ret < 0 || value < 0)

		return -EINVAL;



	st->raw_hystersis = value;



	return 0;

}

EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value);
@@ -380,6 +397,9 @@ int hid_sensor_get_reporting_interval(struct hid_sensor_hub_device *hsdev, 
	/* Default unit of measure is milliseconds */

	if (st->poll.units == 0)

		st->poll.units = HID_USAGE_SENSOR_UNITS_MILLISECOND;



	st->poll_interval = -1;



	return 0;



}
@@ -410,6 +430,8 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, 
			HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS,

			 &st->sensitivity);



	st->raw_hystersis = -1;



	sensor_hub_input_get_attribute_info(hsdev,

					    HID_INPUT_REPORT, usage_id,

					    HID_USAGE_SENSOR_TIME_TIMESTAMP,

drivers/iio/common/hid-sensors/hid-sensor-trigger.c

+17 −3
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) 
			st->report_state.report_id,

			st->report_state.index,

			HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM);



		poll_value = hid_sensor_read_poll_value(st);

	} else {

		int val;
@@ -87,9 +89,7 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) 
	sensor_hub_get_feature(st->hsdev, st->power_state.report_id,

			       st->power_state.index,

			       sizeof(state_val), &state_val);

	if (state)

		poll_value = hid_sensor_read_poll_value(st);

	if (poll_value > 0)

	if (state && poll_value)

		msleep_interruptible(poll_value * 2);



	return 0;
@@ -127,6 +127,20 @@ static void hid_sensor_set_power_work(struct work_struct *work) 
	struct hid_sensor_common *attrb = container_of(work,

						       struct hid_sensor_common,

						       work);



	if (attrb->poll_interval >= 0)

		sensor_hub_set_feature(attrb->hsdev, attrb->poll.report_id,

				       attrb->poll.index,

				       sizeof(attrb->poll_interval),

				       &attrb->poll_interval);



	if (attrb->raw_hystersis >= 0)

		sensor_hub_set_feature(attrb->hsdev,

				       attrb->sensitivity.report_id,

				       attrb->sensitivity.index,

				       sizeof(attrb->raw_hystersis),

				       &attrb->raw_hystersis);



	_hid_sensor_power_state(attrb, true);

}

drivers/iio/dac/ad7303.c

+3 −3
Original line number Diff line number Diff line
@@ -184,9 +184,9 @@ static const struct iio_chan_spec_ext_info ad7303_ext_info[] = { 
	.address = (chan),					\

	.scan_type = {						\

		.sign = 'u',					\

		.realbits = '8',				\

		.storagebits = '8',				\

		.shift = '0',					\

		.realbits = 8,					\

		.storagebits = 8,				\

		.shift = 0,					\

	},							\

	.ext_info = ad7303_ext_info,				\

}

drivers/iio/pressure/bmp280-core.c

+6 −5
Original line number Diff line number Diff line
@@ -175,11 +175,12 @@ static u32 bmp280_compensate_humidity(struct bmp280_data *data, 
	}

	H6 = sign_extend32(tmp, 7);



	var = ((s32)data->t_fine) - 76800;

	var = ((((adc_humidity << 14) - (H4 << 20) - (H5 * var)) + 16384) >> 15)

		* (((((((var * H6) >> 10) * (((var * H3) >> 11) + 32768)) >> 10)

		+ 2097152) * H2 + 8192) >> 14);

	var -= ((((var >> 15) * (var >> 15)) >> 7) * H1) >> 4;

	var = ((s32)data->t_fine) - (s32)76800;

	var = ((((adc_humidity << 14) - (H4 << 20) - (H5 * var))

		+ (s32)16384) >> 15) * (((((((var * H6) >> 10)

		* (((var * (s32)H3) >> 11) + (s32)32768)) >> 10)

		+ (s32)2097152) * H2 + 8192) >> 14);

	var -= ((((var >> 15) * (var >> 15)) >> 7) * (s32)H1) >> 4;



	return var >> 12;

};

drivers/iio/proximity/as3935.c

+1 −2
Original line number Diff line number Diff line
@@ -50,7 +50,6 @@ 
#define AS3935_TUNE_CAP		0x08

#define AS3935_CALIBRATE	0x3D



#define AS3935_WRITE_DATA	BIT(15)

#define AS3935_READ_DATA	BIT(14)

#define AS3935_ADDRESS(x)	((x) << 8)
@@ -105,7 +104,7 @@ static int as3935_write(struct as3935_state *st, 
{

	u8 *buf = st->buf;



	buf[0] = (AS3935_WRITE_DATA | AS3935_ADDRESS(reg)) >> 8;

	buf[0] = AS3935_ADDRESS(reg) >> 8;

	buf[1] = val;



	return spi_write(st->spi, buf, 2);

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