Very few of the struct attributes have been documented here.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'dev' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'palmas' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'irq' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'irq_auto_0' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'irq_auto_1' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'adc_info' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'conv_completion' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'wakeup1_data' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'wakeup2_data' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'wakeup1_enable' not described in 'palmas_gpadc'
 drivers/iio/adc/palmas_gpadc.c:114: warning: Function parameter or member 'wakeup2_enable' not described in 'palmas_gpadc'

Cc: Pradeep Goudagunta <pgoudagunta@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

No attempt has been made to document any of the demoted structs here.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/max9611.c:117: warning: cannot understand function prototype: 'const unsigned int max9611_mux_conf[][2] = '
 drivers/iio/adc/max9611.c:145: warning: cannot understand function prototype: 'const unsigned int max9611_gain_conf[][2] = '

Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/max1363.c:190: warning: Function parameter or member 'lock' not described in 'max1363_state'

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Rohit Sarkar <rohitsarkar5398@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h:487:1: warning: ‘inline’ is not at beginning of declaration [-Wold-style-declaration]
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h:497:44: warning: ‘st_lsm6dsx_accel_ext_info’ defined but not used [-Wunused-const-variable=]

Cc: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Cc: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

'fxas21002c_reg_fields' is only used in '*core*', meaning that '*i2c*'
and '*spi*' complain of a defined but not used const variable.  Let's
move it into the source file.

Fixes the following W=1 kernel build warning(s):

 In file included from drivers/iio/gyro/fxas21002c_i2c.c:14:
 drivers/iio/gyro/fxas21002c.h:79:31: warning: ‘fxas21002c_reg_fields’ defined but not used [-Wunused-const-variable=]
 79 | static const struct reg_field fxas21002c_reg_fields[] = {
 | ^~~~~~~~~~~~~~~~~~~~~
 In file included from drivers/iio/gyro/fxas21002c_spi.c:14:
 drivers/iio/gyro/fxas21002c.h:79:31: warning: ‘fxas21002c_reg_fields’ defined but not used [-Wunused-const-variable=]
 79 | static const struct reg_field fxas21002c_reg_fields[] = {
 | ^~~~~~~~~~~~~~~~~~~~~

Cc: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/accel/sca3000.c:210: warning: Function parameter or member 'mot_det_mult_xz' not described in 'sca3000_chip_info'
 drivers/iio/accel/sca3000.c:210: warning: Function parameter or member 'mot_det_mult_y' not described in 'sca3000_chip_info'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'indio_dev' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'chan' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'type' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'dir' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'info' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'val' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'val2' not described in 'sca3000_read_event_value'
 drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'indio_dev' not described in 'sca3000_read_event_config'
 drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'chan' not described in 'sca3000_read_event_config'
 drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'type' not described in 'sca3000_read_event_config'
 drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'dir' not described in 'sca3000_read_event_config'

Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

None of the headers demoted here provide any descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'ato_in' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'atox_in' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'adc_ps_factor_in' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'atox_ps_factor_in' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'ato_out' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'atox_out' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'adc_ps_factor_out' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:100: warning: Function parameter or member 'atox_ps_factor_out' not described in 'cpcap_adc_ato'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_AD0' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_BATTP' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_VBUS' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_AD3' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_BPLUS_AD4' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_CHG_ISENSE' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_BATTI' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_USB_ID' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_AD8' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_AD9' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_LICELL' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_HV_BATTP' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_TSX1_AD12' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_TSX2_AD13' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_TSY1_AD14' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_TSY2_AD15' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_BATTP_PI16' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_BATTI_PI17' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:153: warning: Enum value 'CPCAP_ADC_CHANNEL_NUM' not described in enum 'cpcap_adc_channel'
 drivers/iio/adc/cpcap-adc.c:165: warning: Enum value 'CPCAP_ADC_TIMING_IMM' not described in enum 'cpcap_adc_timing'
 drivers/iio/adc/cpcap-adc.c:165: warning: Enum value 'CPCAP_ADC_TIMING_IN' not described in enum 'cpcap_adc_timing'
 drivers/iio/adc/cpcap-adc.c:165: warning: Enum value 'CPCAP_ADC_TIMING_OUT' not described in enum 'cpcap_adc_timing'

Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/at91-sama5d2_adc.c:360: warning: cannot understand function prototype: 'struct at91_adc_dma '
 drivers/iio/adc/at91-sama5d2_adc.c:379: warning: cannot understand function prototype: 'struct at91_adc_touch '

Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

All lines should start with ' *'.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/at91_adc.c:160: warning: bad line:                         (Interruptions registers mostly)

Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5504.c:58: warning: Function parameter or member 'pwr_down_mask' not described in 'ad5504_state'
 drivers/iio/dac/ad5504.c:58: warning: Function parameter or member 'pwr_down_mode' not described in 'ad5504_state'
 drivers/iio/dac/ad5504.c:64: warning: cannot understand function prototype: 'enum ad5504_supported_device_ids '

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

This is the only use of function related kerneldoc in the sourcefile
and no descriptions are provided.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/ad799x.c:192: warning: Function parameter or member 'irq' not described in 'ad799x_trigger_handler'
 drivers/iio/adc/ad799x.c:192: warning: Function parameter or member 'p' not described in 'ad799x_trigger_handler'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/light/us5182d.c:457: warning: Function parameter or member 'data' not described in 'us5182d_update_dark_th'
 drivers/iio/light/us5182d.c:457: warning: Function parameter or member 'index' not described in 'us5182d_update_dark_th'
 drivers/iio/light/us5182d.c:479: warning: Function parameter or member 'data' not described in 'us5182d_apply_scale'
 drivers/iio/light/us5182d.c:479: warning: Function parameter or member 'index' not described in 'us5182d_apply_scale'

Cc: Adriana Reus <adriana.reus@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

'*'s are not welcome in kerneldoc parameter names.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/temperature/mlx90632.c:175: warning: Function parameter or member 'data' not described in 'mlx90632_perform_measurement'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Crt Mori <cmo@melexis.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

No attempt has been made to document any of the demoted functions here

Fixes the following W=1 kernel build warning(s):

 drivers/iio/light/si1145.c:192: warning: Function parameter or member 'data' not described in '__si1145_command_reset'
 drivers/iio/light/si1145.c:228: warning: Function parameter or member 'data' not described in 'si1145_command'
 drivers/iio/light/si1145.c:228: warning: Function parameter or member 'cmd' not described in 'si1145_command'
 drivers/iio/light/si1145.c:1186: warning: Function parameter or member 'trig' not described in 'si1145_trigger_set_state'
 drivers/iio/light/si1145.c:1186: warning: Function parameter or member 'state' not described in 'si1145_trigger_set_state'

Cc: Chuhong Yuan <hslester96@gmail.com>
Cc: Dan Leonard <leonard.crestez@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ltc2632.c:50: warning: Function parameter or member 'powerdown_cache_mask' not described in 'ltc2632_state'
 drivers/iio/dac/ltc2632.c:50: warning: Function parameter or member 'vref_mv' not described in 'ltc2632_state'
 drivers/iio/dac/ltc2632.c:50: warning: Function parameter or member 'vref_reg' not described in 'ltc2632_state'

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Silvan Murer <silvan.murer@gmail.com>
Cc: Maxime Roussin-Belanger <maxime.roussinbelanger@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/twl6030-gpadc.c:110: warning: Function parameter or member 'ideal' not described in 'twl6030_gpadc_platform_data'
 drivers/iio/adc/twl6030-gpadc.c:110: warning: Function parameter or member 'channel_to_reg' not described in 'twl6030_gpadc_platform_data'

Cc: Stephen Boyd <swboyd@chromium.org>
Cc: Nishant Kamat <nskamat@ti.com>
Cc: Balaji T K <balajitk@ti.com>
Cc: Graeme Gregory <gg@slimlogic.co.uk>
Cc: Girish S Ghongdemath <girishsg@ti.com>
Cc: Ambresh K <ambresh@ti.com>
Cc: Oleksandr Kozaruk <oleksandr.kozaruk@ti.com>
Cc: Mikko Ylinen <mikko.k.ylinen@nokia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

We know that it's okay for 'hmc5843_pm_ops' to be unused here.

Fixes the following W=1 kernel build warning(s):

 In file included from include/linux/device.h:25,
 from include/linux/iio/iio.h:10,
 from drivers/iio/magnetometer/hmc5843_core.c:16:
 drivers/iio/magnetometer/hmc5843.h:55:26: warning: ‘hmc5843_pm_ops’ defined but not used [-Wunused-const-variable=]
 55 | static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops,
 | ^~~~~~~~~~~~~~
 include/linux/pm.h:354:25: note: in definition of macro ‘SIMPLE_DEV_PM_OPS’
 354 | const struct dev_pm_ops name = { | ^~~~

Cc: Josef Gajdusek <atx@atx.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/twl4030-madc.c:170: warning: Function parameter or member 'usb3v1' not described in 'twl4030_madc_data'

Also drop a duplicate description of the lock.

Cc: J Keerthy <j-keerthy@ti.com>
Cc: Mikko Ylinen <mikko.k.ylinen@nokia.com>
Cc: Amit Kucheria <amit.kucheria@canonical.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/twl4030-madc.c: In function ‘twl4030_madc_threaded_irq_handler’:
 drivers/iio/adc/twl4030-madc.c:475:9: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
 475 | int i, len, ret;
 | ^~~

Cc: Sebastian Reichel <sre@kernel.org>
Cc: J Keerthy <j-keerthy@ti.com>
Cc: Mikko Ylinen <mikko.k.ylinen@nokia.com>
Cc: Amit Kucheria <amit.kucheria@canonical.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/ti_am335x_adc.c: In function ‘tiadc_buffer_preenable’:
 drivers/iio/adc/ti_am335x_adc.c:297:21: warning: variable ‘read’ set but not used [-Wunused-but-set-variable]
 297 | int i, fifo1count, read;
 | ^~~~
 drivers/iio/adc/ti_am335x_adc.c: In function ‘tiadc_buffer_predisable’:
 drivers/iio/adc/ti_am335x_adc.c:346:21: warning: variable ‘read’ set but not used [-Wunused-but-set-variable]
 346 | int fifo1count, i, read;
 | ^~~~

Cc: Rachna Patil <rachna@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/imu/kmx61.c:327: warning: Function parameter or member 'data' not described in 'kmx61_set_mode'
 drivers/iio/imu/kmx61.c:327: warning: Function parameter or member 'mode' not described in 'kmx61_set_mode'
 drivers/iio/imu/kmx61.c:327: warning: Function parameter or member 'device' not described in 'kmx61_set_mode'
 drivers/iio/imu/kmx61.c:327: warning: Function parameter or member 'update' not described in 'kmx61_set_mode'
 drivers/iio/imu/kmx61.c:731: warning: Function parameter or member 'data' not described in 'kmx61_set_power_state'
 drivers/iio/imu/kmx61.c:731: warning: Function parameter or member 'on' not described in 'kmx61_set_power_state'
 drivers/iio/imu/kmx61.c:731: warning: Function parameter or member 'device' not described in 'kmx61_set_power_state'

Cc: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

All lines in the header must start with " *".

Fixes the following W=1 kernel build warning(s):

 drivers/iio/magnetometer/mmc35240.c:304: warning: bad line:                             compensation for output value.

Cc: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'dev' not described in 'cm32181_acpi_get_cpm'
 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'obj_name' not described in 'cm32181_acpi_get_cpm'
 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'values' not described in 'cm32181_acpi_get_cpm'
 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'count' not described in 'cm32181_acpi_get_cpm'

Cc: Kevin Tsai <ktsai@capellamicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

... and remove seemingly pointless comment.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5791.c:97: warning: Function parameter or member 'ctrl' not described in 'ad5791_state'
 drivers/iio/dac/ad5791.c:97: warning: Function parameter or member 'pwr_down_mode' not described in 'ad5791_state'
 drivers/iio/dac/ad5791.c:97: warning: Function parameter or member 'pwr_down' not described in 'ad5791_state'
 drivers/iio/dac/ad5791.c:97: warning: Function parameter or member 'data' not described in 'ad5791_state'
 drivers/iio/dac/ad5791.c:103: warning: cannot understand function prototype: 'enum ad5791_supported_device_ids '

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Attribute descriptions must match the name exactly.

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5764.c:42: warning: Function parameter or member 'channels' not described in 'ad5764_chip_info'
 drivers/iio/dac/ad5764.c:67: warning: Function parameter or member 'lock' not described in 'ad5764_state'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5761.c:80: warning: Function parameter or member 'lock' not described in 'ad5761_state'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Ricardo Ribalda <ribalda@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc headers need to come directly before the function/struct
that they are documenting.  Also fix some missing descriptions and
misspellings.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5758.c:111: warning: Function parameter or member 'reg' not described in 'ad5758_range'
 drivers/iio/dac/ad5758.c:111: warning: Function parameter or member 'min' not described in 'ad5758_range'
 drivers/iio/dac/ad5758.c:111: warning: Function parameter or member 'max' not described in 'ad5758_range'
 drivers/iio/dac/ad5758.c:122: warning: Function parameter or member 'gpio_reset' not described in 'ad5758_state'
 drivers/iio/dac/ad5758.c:122: warning: Function parameter or member 'd32' not described in 'ad5758_state'
 drivers/iio/dac/ad5758.c:137: warning: cannot understand function prototype: 'enum ad5758_output_range '

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Cc: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5755.c:105: warning: Function parameter or member 'lock' not described in 'ad5755_state'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5449.c:75: warning: Function parameter or member 'lock' not described in 'ad5449'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'dev' not described in 'ad5446_state'
 drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'cached_val' not described in 'ad5446_state'
 drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'pwr_down_mode' not described in 'ad5446_state'
 drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'pwr_down' not described in 'ad5446_state'
 drivers/iio/dac/ad5446.c:48: warning: Function parameter or member 'lock' not described in 'ad5446_state'
 drivers/iio/dac/ad5446.c:323: warning: cannot understand function prototype: 'enum ad5446_supported_spi_device_ids '
 drivers/iio/dac/ad5446.c:545: warning: cannot understand function prototype: 'enum ad5446_supported_i2c_device_ids '

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

File headers are not good candidates for kerneldoc.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dummy/iio_simple_dummy_buffer.c:27: warning: cannot understand function prototype: 'const s16 fakedata[] = '
 drivers/iio/dummy/iio_simple_dummy_buffer.c:185: warning: Function parameter or member 'indio_dev' not described in 'iio_simple_dummy_unconfigure_buffer'
 drivers/iio/dummy/iio_simple_dummy_buffer.c:185: warning: Excess function parameter 'indo_dev' description in 'iio_simple_dummy_unconfigure_buffer'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

This is the only use of function related kerneldoc in the sourcefile
and no descriptions are provided.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/ad7887.c:119: warning: Function parameter or member 'irq' not described in 'ad7887_trigger_handler'
 drivers/iio/adc/ad7887.c:119: warning: Function parameter or member 'p' not described in 'ad7887_trigger_handler'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5064.c:790:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
 790 | static const char * const ad5064_vref_name(struct ad5064_state *st,
 | ^~~~~

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

File headers are not good candidates for kerneldoc.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dummy/iio_simple_dummy_events.c:21: warning: Incorrect use of kernel-doc format:  * iio_simple_dummy_read_event_config() - is event enabled?
 drivers/iio/dummy/iio_simple_dummy_events.c:34: warning: Function parameter or member 'indio_dev' not described in 'iio_simple_dummy_read_event_config'
 drivers/iio/dummy/iio_simple_dummy_events.c:34: warning: Function parameter or member 'chan' not described in 'iio_simple_dummy_read_event_config'
 drivers/iio/dummy/iio_simple_dummy_events.c:34: warning: Function parameter or member 'type' not described in 'iio_simple_dummy_read_event_config'
 drivers/iio/dummy/iio_simple_dummy_events.c:34: warning: Function parameter or member 'dir' not described in 'iio_simple_dummy_read_event_config'
 drivers/iio/dummy/iio_simple_dummy_events.c:123: warning: Function parameter or member 'val2' not described in 'iio_simple_dummy_read_event_value'
 drivers/iio/dummy/iio_simple_dummy_events.c:146: warning: Function parameter or member 'val2' not described in 'iio_simple_dummy_write_event_value'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5421.c:82: warning: Function parameter or member 'lock' not described in 'ad5421_state'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Fixes the following checkpatch.pl warning(s):

 CHECK: Please use a blank line after function/struct/union/enum declarations
 #46: FILE: drivers/iio/dummy/iio_simple_dummy.c:690:
  }
 +/*
 total: 0 errors, 0 warnings, 1 checks, 22 lines checked
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

File header comments are not good candidates for kerneldoc.  Neither
are generic comment blocks.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dummy/iio_simple_dummy.c:26: warning: cannot understand function prototype: 'const struct config_item_type iio_dummy_type = '
 drivers/iio/dummy/iio_simple_dummy.c:564: warning: Function parameter or member 'name' not described in 'iio_dummy_probe'
 drivers/iio/dummy/iio_simple_dummy.c:564: warning: Excess function parameter 'index' description in 'iio_dummy_probe'
 drivers/iio/dummy/iio_simple_dummy.c:700: warning: cannot understand function prototype: 'const struct iio_sw_device_ops iio_dummy_device_ops = '
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5380.c:64: warning: Function parameter or member 'lock' not described in 'ad5380_state'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/iio/dac/ad5360.c:89: warning: Function parameter or member 'lock' not described in 'ad5360_state'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

No attempt has been made to document either of the demoted functions here

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/ad7923.c:159: warning: Function parameter or member 'indio_dev' not described in 'ad7923_update_scan_mode'
 drivers/iio/adc/ad7923.c:159: warning: Function parameter or member 'active_scan_mask' not described in 'ad7923_update_scan_mode'
 drivers/iio/adc/ad7923.c:202: warning: Function parameter or member 'irq' not described in 'ad7923_trigger_handler'
 drivers/iio/adc/ad7923.c:202: warning: Function parameter or member 'p' not described in 'ad7923_trigger_handler'

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Cc: Patrick Vasseur <patrick.vasseur@c-s.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>