linux/drivers/iio/common/hid-sensors/Kconfig
Alexandru Ardelean 7061803522 iio: hid-sensors: select IIO_TRIGGERED_BUFFER under HID_SENSOR_IIO_TRIGGER
During commit 067fda1c06 ("iio: hid-sensors: move triggered buffer
setup into hid_sensor_setup_trigger"), the
iio_triggered_buffer_{setup,cleanup}() functions got moved under the
hid-sensor-trigger module.

The above change works fine, if any of the sensors get built. However, when
only the common hid-sensor-trigger module gets built (and none of the
drivers), then the IIO_TRIGGERED_BUFFER symbol isn't selected/enforced.

Previously, each driver would enforce/select the IIO_TRIGGERED_BUFFER
symbol. With this change the HID_SENSOR_IIO_TRIGGER (for the
hid-sensor-trigger module) will enforce that IIO_TRIGGERED_BUFFER gets
selected.

All HID sensor drivers select the HID_SENSOR_IIO_TRIGGER symbol. So, this
change removes the IIO_TRIGGERED_BUFFER enforcement from each driver.

Fixes: 067fda1c06 ("iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger")
Reported-by: Thomas Deutschmann <whissi@gentoo.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20210414084955.260117-1-aardelean@deviqon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-10 14:01:48 +01:00

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# SPDX-License-Identifier: GPL-2.0-only
#
# Hid Sensor common modules
#
menu "Hid Sensor IIO Common"
config HID_SENSOR_IIO_COMMON
tristate "Common modules for all HID Sensor IIO drivers"
depends on HID_SENSOR_HUB
select HID_SENSOR_IIO_TRIGGER if IIO_BUFFER
help
Say yes here to build support for HID sensor to use
HID sensor common processing for attributes and IIO triggers.
There are many attributes which can be shared among multiple
HID sensor drivers, this module contains processing for those
attributes.
config HID_SENSOR_IIO_TRIGGER
tristate "Common module (trigger) for all HID Sensor IIO drivers"
depends on HID_SENSOR_HUB && HID_SENSOR_IIO_COMMON && IIO_BUFFER
select IIO_TRIGGER
select IIO_TRIGGERED_BUFFER
help
Say yes here to build trigger support for HID sensors.
Triggers will be send if all requested attributes were read.
If this driver is compiled as a module, it will be named
hid-sensor-trigger.
endmenu