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SubjectRe: [PATCH 1/3] iio: health: afe440x: Remove code in comments
Hi simran,

[auto build test ERROR on iio/togreg]
[also build test ERROR on v4.11-rc4 next-20170331]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/simran-singhal/iio-health-Clean-up/20170402-095718
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=xtensa

All error/warnings (new ones prefixed by >>):

In file included from include/linux/kobject.h:21:0,
from include/linux/device.h:17,
from drivers/iio/health/afe4403.c:17:
drivers/iio/health/afe440x.h:96:23: error: '_name_show' undeclared here (not in a function)
static DEVICE_ATTR_RO(_name)
^
include/linux/sysfs.h:116:10: note: in definition of macro '__ATTR_RO'
.show = _name##_show, \
^
drivers/iio/health/afe440x.h:96:8: note: in expansion of macro 'DEVICE_ATTR_RO'
static DEVICE_ATTR_RO(_name)
^
In file included from drivers/iio/health/afe4403.c:34:0:
drivers/iio/health/afe440x.h:98:1: error: expected ',' or ';' before 'struct'
struct afe440x_attr {
^
drivers/iio/health/afe4403.c:110:2: error: implicit declaration of function 'AFE440X_INTENSITY_CHAN' [-Werror=implicit-function-declaration]
AFE440X_INTENSITY_CHAN(LED2, 0),
^
>> drivers/iio/health/afe4403.c:110:2: warning: missing braces around initializer [-Wmissing-braces]
drivers/iio/health/afe4403.c:110:2: warning: (near initialization for 'afe4403_channels[0]') [-Wmissing-braces]
drivers/iio/health/afe4403.c:110:2: error: initializer element is not constant
drivers/iio/health/afe4403.c:110:2: error: (near initialization for 'afe4403_channels[0].type')
drivers/iio/health/afe4403.c:111:2: error: initializer element is not constant
AFE440X_INTENSITY_CHAN(ALED2, 0),
^
drivers/iio/health/afe4403.c:111:2: error: (near initialization for 'afe4403_channels[0].channel')
drivers/iio/health/afe4403.c:112:2: error: initializer element is not constant
AFE440X_INTENSITY_CHAN(LED1, 0),
^
drivers/iio/health/afe4403.c:112:2: error: (near initialization for 'afe4403_channels[0].channel2')
drivers/iio/health/afe4403.c:113:2: error: initializer element is not constant
AFE440X_INTENSITY_CHAN(ALED1, 0),
^
drivers/iio/health/afe4403.c:113:2: error: (near initialization for 'afe4403_channels[0].address')
drivers/iio/health/afe4403.c:114:2: error: initializer element is not constant
AFE440X_INTENSITY_CHAN(LED2_ALED2, 0),
^
drivers/iio/health/afe4403.c:114:2: error: (near initialization for 'afe4403_channels[0].scan_index')
drivers/iio/health/afe4403.c:115:2: error: initializer element is not constant
AFE440X_INTENSITY_CHAN(LED1_ALED1, 0),
^
drivers/iio/health/afe4403.c:115:2: error: (near initialization for 'afe4403_channels[0].scan_type.sign')
drivers/iio/health/afe4403.c:117:2: error: implicit declaration of function 'AFE440X_CURRENT_CHAN' [-Werror=implicit-function-declaration]
AFE440X_CURRENT_CHAN(LED2),
^
drivers/iio/health/afe4403.c:117:2: error: initializer element is not constant
drivers/iio/health/afe4403.c:117:2: error: (near initialization for 'afe4403_channels[0].scan_type.realbits')
drivers/iio/health/afe4403.c:118:2: error: initializer element is not constant
AFE440X_CURRENT_CHAN(LED1),
^
drivers/iio/health/afe4403.c:118:2: error: (near initialization for 'afe4403_channels[0].scan_type.storagebits')
drivers/iio/health/afe4403.c:125:1: warning: data definition has no type or storage class
AFE440X_TABLE_ATTR(in_intensity_resistance_available, afe4403_res_table);
^
drivers/iio/health/afe4403.c:125:1: error: type defaults to 'int' in declaration of 'AFE440X_TABLE_ATTR' [-Werror=implicit-int]
drivers/iio/health/afe4403.c:125:1: warning: parameter names (without types) in function declaration
drivers/iio/health/afe4403.c:137:1: warning: data definition has no type or storage class
AFE440X_TABLE_ATTR(in_intensity_capacitance_available, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:137:1: error: type defaults to 'int' in declaration of 'AFE440X_TABLE_ATTR' [-Werror=implicit-int]
drivers/iio/health/afe4403.c:137:1: warning: parameter names (without types) in function declaration
drivers/iio/health/afe4403.c: In function 'afe440x_show_register':
drivers/iio/health/afe4403.c:145:9: error: implicit declaration of function 'to_afe440x_attr' [-Werror=implicit-function-declaration]
struct afe440x_attr *afe440x_attr = to_afe440x_attr(attr);
^
drivers/iio/health/afe4403.c:145:38: warning: initialization makes pointer from integer without a cast
struct afe440x_attr *afe440x_attr = to_afe440x_attr(attr);
^
drivers/iio/health/afe4403.c:150:50: error: dereferencing pointer to incomplete type
ret = regmap_field_read(afe->fields[afe440x_attr->field], &reg_val);
^
drivers/iio/health/afe4403.c:150:50: error: request for member 'field' in something not a structure or union
drivers/iio/health/afe4403.c:150:37: error: array subscript is not an integer
ret = regmap_field_read(afe->fields[afe440x_attr->field], &reg_val);
^
drivers/iio/health/afe4403.c:150:8: warning: passing argument 1 of 'regmap_field_read' from incompatible pointer type
ret = regmap_field_read(afe->fields[afe440x_attr->field], &reg_val);
^
In file included from drivers/iio/health/afe4403.c:22:0:
include/linux/regmap.h:850:5: note: expected 'struct regmap_field *' but argument is of type 'const struct iio_chan_spec *'
int regmap_field_read(struct regmap_field *field, unsigned int *val);
^
drivers/iio/health/afe4403.c:154:29: error: dereferencing pointer to incomplete type
if (reg_val >= afe440x_attr->table_size)
^
drivers/iio/health/afe4403.c:154:29: error: request for member 'table_size' in something not a structure or union
drivers/iio/health/afe4403.c:154:14: warning: comparison between pointer and integer
if (reg_val >= afe440x_attr->table_size)
^
drivers/iio/health/afe4403.c:157:24: error: dereferencing pointer to incomplete type
vals[0] = afe440x_attr->val_table[reg_val].integer;
^
drivers/iio/health/afe4403.c:157:24: error: request for member 'val_table' in something not a structure or union
drivers/iio/health/afe4403.c:157:44: error: 'const struct iio_chan_spec' has no member named 'integer'
vals[0] = afe440x_attr->val_table[reg_val].integer;
^
drivers/iio/health/afe4403.c:157:10: warning: assignment makes integer from pointer without a cast
vals[0] = afe440x_attr->val_table[reg_val].integer;
^
drivers/iio/health/afe4403.c:158:24: error: dereferencing pointer to incomplete type
vals[1] = afe440x_attr->val_table[reg_val].fract;
^
drivers/iio/health/afe4403.c:158:24: error: request for member 'val_table' in something not a structure or union
drivers/iio/health/afe4403.c:158:44: error: 'const struct iio_chan_spec' has no member named 'fract'
vals[1] = afe440x_attr->val_table[reg_val].fract;
^
drivers/iio/health/afe4403.c:158:10: warning: assignment makes integer from pointer without a cast
vals[1] = afe440x_attr->val_table[reg_val].fract;
^
drivers/iio/health/afe4403.c: In function 'afe440x_store_register':
drivers/iio/health/afe4403.c:169:38: warning: initialization makes pointer from integer without a cast
struct afe440x_attr *afe440x_attr = to_afe440x_attr(attr);
^
drivers/iio/health/afe4403.c:176:34: error: dereferencing pointer to incomplete type
for (val = 0; val < afe440x_attr->table_size; val++)
^
drivers/iio/health/afe4403.c:176:34: error: request for member 'table_size' in something not a structure or union
drivers/iio/health/afe4403.c:176:20: warning: comparison between pointer and integer
for (val = 0; val < afe440x_attr->table_size; val++)
--
drivers/iio/health/afe4403.c:177:44: warning: comparison between pointer and integer
if (afe440x_attr->val_table[val].integer == integer &&
^
drivers/iio/health/afe4403.c:178:19: error: dereferencing pointer to incomplete type
afe440x_attr->val_table[val].fract == fract)
^
drivers/iio/health/afe4403.c:178:19: error: request for member 'val_table' in something not a structure or union
drivers/iio/health/afe4403.c:178:35: error: 'const struct iio_chan_spec' has no member named 'fract'
afe440x_attr->val_table[val].fract == fract)
^
drivers/iio/health/afe4403.c:178:42: warning: comparison between pointer and integer
afe440x_attr->val_table[val].fract == fract)
^
drivers/iio/health/afe4403.c:180:25: error: dereferencing pointer to incomplete type
if (val == afe440x_attr->table_size)
^
drivers/iio/health/afe4403.c:180:25: error: request for member 'table_size' in something not a structure or union
drivers/iio/health/afe4403.c:180:10: warning: comparison between pointer and integer
if (val == afe440x_attr->table_size)
^
In file included from drivers/iio/health/afe4403.c:22:0:
drivers/iio/health/afe4403.c:183:51: error: dereferencing pointer to incomplete type
ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
^
include/linux/regmap.h:85:32: note: in definition of macro 'regmap_field_write'
regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
^
drivers/iio/health/afe4403.c:183:51: error: request for member 'field' in something not a structure or union
ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
^
include/linux/regmap.h:85:32: note: in definition of macro 'regmap_field_write'
regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
^
drivers/iio/health/afe4403.c:183:38: error: array subscript is not an integer
ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
^
include/linux/regmap.h:85:32: note: in definition of macro 'regmap_field_write'
regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
^
include/linux/regmap.h:85:2: warning: passing argument 1 of 'regmap_field_update_bits_base' from incompatible pointer type
regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
^
drivers/iio/health/afe4403.c:183:8: note: in expansion of macro 'regmap_field_write'
ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
^
include/linux/regmap.h:851:5: note: expected 'struct regmap_field *' but argument is of type 'const struct iio_chan_spec *'
int regmap_field_update_bits_base(struct regmap_field *field,
^
drivers/iio/health/afe4403.c: At top level:
drivers/iio/health/afe4403.c:190:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity1_resistance, F_RF_LED, afe4403_res_table);
^
drivers/iio/health/afe4403.c:190:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity1_resistance, F_RF_LED, afe4403_res_table);
^
drivers/iio/health/afe4403.c:191:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity1_capacitance, F_CF_LED, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:191:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity1_capacitance, F_CF_LED, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:193:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity2_resistance, F_RF_LED, afe4403_res_table);
^
drivers/iio/health/afe4403.c:193:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity2_resistance, F_RF_LED, afe4403_res_table);
^
drivers/iio/health/afe4403.c:194:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity2_capacitance, F_CF_LED, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:194:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity2_capacitance, F_CF_LED, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:196:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity3_resistance, F_RF_LED1, afe4403_res_table);
^
drivers/iio/health/afe4403.c:196:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity3_resistance, F_RF_LED1, afe4403_res_table);
^
drivers/iio/health/afe4403.c:197:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity3_capacitance, F_CF_LED1, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:197:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity3_capacitance, F_CF_LED1, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:199:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity4_resistance, F_RF_LED1, afe4403_res_table);
^
drivers/iio/health/afe4403.c:199:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity4_resistance, F_RF_LED1, afe4403_res_table);
^
drivers/iio/health/afe4403.c:200:8: error: type defaults to 'int' in declaration of 'AFE440X_ATTR' [-Werror=implicit-int]
static AFE440X_ATTR(in_intensity4_capacitance, F_CF_LED1, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:200:1: warning: parameter names (without types) in function declaration
static AFE440X_ATTR(in_intensity4_capacitance, F_CF_LED1, afe4403_cap_table);
^
drivers/iio/health/afe4403.c:203:3: error: 'dev_attr_in_intensity_resistance_available' undeclared here (not in a function)
&dev_attr_in_intensity_resistance_available.attr,
^
>> drivers/iio/health/afe4403.c:203:45: error: request for member 'attr' in something not a structure or union
&dev_attr_in_intensity_resistance_available.attr,
^
drivers/iio/health/afe4403.c:203:2: error: initializer element is not constant
&dev_attr_in_intensity_resistance_available.attr,
^
drivers/iio/health/afe4403.c:203:2: error: (near initialization for 'afe440x_attributes[0]')
drivers/iio/health/afe4403.c:204:3: error: 'dev_attr_in_intensity_capacitance_available' undeclared here (not in a function)
&dev_attr_in_intensity_capacitance_available.attr,
^
drivers/iio/health/afe4403.c:204:46: error: request for member 'attr' in something not a structure or union
&dev_attr_in_intensity_capacitance_available.attr,
^
drivers/iio/health/afe4403.c:204:2: error: initializer element is not constant
&dev_attr_in_intensity_capacitance_available.attr,
^
drivers/iio/health/afe4403.c:204:2: error: (near initialization for 'afe440x_attributes[1]')
drivers/iio/health/afe4403.c:205:3: error: 'afe440x_attr_in_intensity1_resistance' undeclared here (not in a function)
&afe440x_attr_in_intensity1_resistance.dev_attr.attr,
^
>> drivers/iio/health/afe4403.c:205:40: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity1_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:205:49: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity1_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:205:2: error: initializer element is not constant
&afe440x_attr_in_intensity1_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:205:2: error: (near initialization for 'afe440x_attributes[2]')
drivers/iio/health/afe4403.c:206:3: error: 'afe440x_attr_in_intensity1_capacitance' undeclared here (not in a function)
&afe440x_attr_in_intensity1_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:206:41: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity1_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:206:50: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity1_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:206:2: error: initializer element is not constant
&afe440x_attr_in_intensity1_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:206:2: error: (near initialization for 'afe440x_attributes[3]')
drivers/iio/health/afe4403.c:207:3: error: 'afe440x_attr_in_intensity2_resistance' undeclared here (not in a function)
&afe440x_attr_in_intensity2_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:207:40: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity2_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:207:49: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity2_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:207:2: error: initializer element is not constant
&afe440x_attr_in_intensity2_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:207:2: error: (near initialization for 'afe440x_attributes[4]')
drivers/iio/health/afe4403.c:208:3: error: 'afe440x_attr_in_intensity2_capacitance' undeclared here (not in a function)
&afe440x_attr_in_intensity2_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:208:41: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity2_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:208:50: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity2_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:208:2: error: initializer element is not constant
&afe440x_attr_in_intensity2_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:208:2: error: (near initialization for 'afe440x_attributes[5]')
drivers/iio/health/afe4403.c:209:3: error: 'afe440x_attr_in_intensity3_resistance' undeclared here (not in a function)
&afe440x_attr_in_intensity3_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:209:40: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity3_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:209:49: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity3_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:209:2: error: initializer element is not constant
&afe440x_attr_in_intensity3_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:209:2: error: (near initialization for 'afe440x_attributes[6]')
drivers/iio/health/afe4403.c:210:3: error: 'afe440x_attr_in_intensity3_capacitance' undeclared here (not in a function)
&afe440x_attr_in_intensity3_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:210:41: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity3_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:210:50: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity3_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:210:2: error: initializer element is not constant
&afe440x_attr_in_intensity3_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:210:2: error: (near initialization for 'afe440x_attributes[7]')
drivers/iio/health/afe4403.c:211:3: error: 'afe440x_attr_in_intensity4_resistance' undeclared here (not in a function)
&afe440x_attr_in_intensity4_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:211:40: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity4_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:211:49: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity4_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:211:2: error: initializer element is not constant
&afe440x_attr_in_intensity4_resistance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:211:2: error: (near initialization for 'afe440x_attributes[8]')
drivers/iio/health/afe4403.c:212:3: error: 'afe440x_attr_in_intensity4_capacitance' undeclared here (not in a function)
&afe440x_attr_in_intensity4_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:212:41: error: request for member 'dev_attr' in something not a structure or union
&afe440x_attr_in_intensity4_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:212:50: error: request for member 'attr' in something not a structure or union
&afe440x_attr_in_intensity4_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:212:2: error: initializer element is not constant
&afe440x_attr_in_intensity4_capacitance.dev_attr.attr,
^
drivers/iio/health/afe4403.c:212:2: error: (near initialization for 'afe440x_attributes[9]')
..

vim +/dev_attr +205 drivers/iio/health/afe4403.c

eec96d1e2 Andrew F. Davis 2016-02-06 28 #include <linux/iio/sysfs.h>
eec96d1e2 Andrew F. Davis 2016-02-06 29 #include <linux/iio/buffer.h>
eec96d1e2 Andrew F. Davis 2016-02-06 30 #include <linux/iio/trigger.h>
eec96d1e2 Andrew F. Davis 2016-02-06 31 #include <linux/iio/triggered_buffer.h>
eec96d1e2 Andrew F. Davis 2016-02-06 32 #include <linux/iio/trigger_consumer.h>
eec96d1e2 Andrew F. Davis 2016-02-06 33
eec96d1e2 Andrew F. Davis 2016-02-06 @34 #include "afe440x.h"
eec96d1e2 Andrew F. Davis 2016-02-06 35
eec96d1e2 Andrew F. Davis 2016-02-06 36 #define AFE4403_DRIVER_NAME "afe4403"
eec96d1e2 Andrew F. Davis 2016-02-06 37
eec96d1e2 Andrew F. Davis 2016-02-06 38 /* AFE4403 Registers */
eec96d1e2 Andrew F. Davis 2016-02-06 39 #define AFE4403_TIAGAIN 0x20
eec96d1e2 Andrew F. Davis 2016-02-06 40 #define AFE4403_TIA_AMB_GAIN 0x21
eec96d1e2 Andrew F. Davis 2016-02-06 41
b36e82576 Andrew F. Davis 2016-05-01 42 enum afe4403_fields {
b36e82576 Andrew F. Davis 2016-05-01 43 /* Gains */
b36e82576 Andrew F. Davis 2016-05-01 44 F_RF_LED1, F_CF_LED1,
b36e82576 Andrew F. Davis 2016-05-01 45 F_RF_LED, F_CF_LED,
b36e82576 Andrew F. Davis 2016-05-01 46
b36e82576 Andrew F. Davis 2016-05-01 47 /* LED Current */
b36e82576 Andrew F. Davis 2016-05-01 48 F_ILED1, F_ILED2,
b36e82576 Andrew F. Davis 2016-05-01 49
b36e82576 Andrew F. Davis 2016-05-01 50 /* sentinel */
b36e82576 Andrew F. Davis 2016-05-01 51 F_MAX_FIELDS
b36e82576 Andrew F. Davis 2016-05-01 52 };
b36e82576 Andrew F. Davis 2016-05-01 53
b36e82576 Andrew F. Davis 2016-05-01 54 static const struct reg_field afe4403_reg_fields[] = {
b36e82576 Andrew F. Davis 2016-05-01 55 /* Gains */
b36e82576 Andrew F. Davis 2016-05-01 56 [F_RF_LED1] = REG_FIELD(AFE4403_TIAGAIN, 0, 2),
b36e82576 Andrew F. Davis 2016-05-01 57 [F_CF_LED1] = REG_FIELD(AFE4403_TIAGAIN, 3, 7),
b36e82576 Andrew F. Davis 2016-05-01 58 [F_RF_LED] = REG_FIELD(AFE4403_TIA_AMB_GAIN, 0, 2),
b36e82576 Andrew F. Davis 2016-05-01 59 [F_CF_LED] = REG_FIELD(AFE4403_TIA_AMB_GAIN, 3, 7),
b36e82576 Andrew F. Davis 2016-05-01 60 /* LED Current */
b36e82576 Andrew F. Davis 2016-05-01 61 [F_ILED1] = REG_FIELD(AFE440X_LEDCNTRL, 0, 7),
b36e82576 Andrew F. Davis 2016-05-01 62 [F_ILED2] = REG_FIELD(AFE440X_LEDCNTRL, 8, 15),
b36e82576 Andrew F. Davis 2016-05-01 63 };
b36e82576 Andrew F. Davis 2016-05-01 64
eec96d1e2 Andrew F. Davis 2016-02-06 65 /**
f59e6b5ae Andrew F. Davis 2016-05-01 66 * struct afe4403_data - AFE4403 device instance data
f59e6b5ae Andrew F. Davis 2016-05-01 67 * @dev: Device structure
f59e6b5ae Andrew F. Davis 2016-05-01 68 * @spi: SPI device handle
f59e6b5ae Andrew F. Davis 2016-05-01 69 * @regmap: Register map of the device
b36e82576 Andrew F. Davis 2016-05-01 70 * @fields: Register fields of the device
f59e6b5ae Andrew F. Davis 2016-05-01 71 * @regulator: Pointer to the regulator for the IC
f59e6b5ae Andrew F. Davis 2016-05-01 72 * @trig: IIO trigger for this device
f59e6b5ae Andrew F. Davis 2016-05-01 73 * @irq: ADC_RDY line interrupt number
eec96d1e2 Andrew F. Davis 2016-02-06 74 */
eec96d1e2 Andrew F. Davis 2016-02-06 75 struct afe4403_data {
eec96d1e2 Andrew F. Davis 2016-02-06 76 struct device *dev;
eec96d1e2 Andrew F. Davis 2016-02-06 77 struct spi_device *spi;
eec96d1e2 Andrew F. Davis 2016-02-06 78 struct regmap *regmap;
b36e82576 Andrew F. Davis 2016-05-01 79 struct regmap_field *fields[F_MAX_FIELDS];
eec96d1e2 Andrew F. Davis 2016-02-06 80 struct regulator *regulator;
eec96d1e2 Andrew F. Davis 2016-02-06 81 struct iio_trigger *trig;
eec96d1e2 Andrew F. Davis 2016-02-06 82 int irq;
eec96d1e2 Andrew F. Davis 2016-02-06 83 };
eec96d1e2 Andrew F. Davis 2016-02-06 84
eec96d1e2 Andrew F. Davis 2016-02-06 85 enum afe4403_chan_id {
24b9dea76 Andrew F. Davis 2016-05-01 86 LED2 = 1,
24b9dea76 Andrew F. Davis 2016-05-01 87 ALED2,
eec96d1e2 Andrew F. Davis 2016-02-06 88 LED1,
eec96d1e2 Andrew F. Davis 2016-02-06 89 ALED1,
eec96d1e2 Andrew F. Davis 2016-02-06 90 LED2_ALED2,
24b9dea76 Andrew F. Davis 2016-05-01 91 LED1_ALED1,
eec96d1e2 Andrew F. Davis 2016-02-06 92 };
eec96d1e2 Andrew F. Davis 2016-02-06 93
b36e82576 Andrew F. Davis 2016-05-01 94 static const unsigned int afe4403_channel_values[] = {
b36e82576 Andrew F. Davis 2016-05-01 95 [LED2] = AFE440X_LED2VAL,
b36e82576 Andrew F. Davis 2016-05-01 96 [ALED2] = AFE440X_ALED2VAL,
b36e82576 Andrew F. Davis 2016-05-01 97 [LED1] = AFE440X_LED1VAL,
b36e82576 Andrew F. Davis 2016-05-01 98 [ALED1] = AFE440X_ALED1VAL,
b36e82576 Andrew F. Davis 2016-05-01 99 [LED2_ALED2] = AFE440X_LED2_ALED2VAL,
b36e82576 Andrew F. Davis 2016-05-01 100 [LED1_ALED1] = AFE440X_LED1_ALED1VAL,
b36e82576 Andrew F. Davis 2016-05-01 101 };
b36e82576 Andrew F. Davis 2016-05-01 102
b36e82576 Andrew F. Davis 2016-05-01 103 static const unsigned int afe4403_channel_leds[] = {
3ff34ee2a Andrew F. Davis 2016-05-01 104 [LED2] = F_ILED2,
3ff34ee2a Andrew F. Davis 2016-05-01 105 [LED1] = F_ILED1,
eec96d1e2 Andrew F. Davis 2016-02-06 106 };
eec96d1e2 Andrew F. Davis 2016-02-06 107
eec96d1e2 Andrew F. Davis 2016-02-06 108 static const struct iio_chan_spec afe4403_channels[] = {
eec96d1e2 Andrew F. Davis 2016-02-06 109 /* ADC values */
24b9dea76 Andrew F. Davis 2016-05-01 @110 AFE440X_INTENSITY_CHAN(LED2, 0),
24b9dea76 Andrew F. Davis 2016-05-01 111 AFE440X_INTENSITY_CHAN(ALED2, 0),
24b9dea76 Andrew F. Davis 2016-05-01 112 AFE440X_INTENSITY_CHAN(LED1, 0),
24b9dea76 Andrew F. Davis 2016-05-01 113 AFE440X_INTENSITY_CHAN(ALED1, 0),
24b9dea76 Andrew F. Davis 2016-05-01 114 AFE440X_INTENSITY_CHAN(LED2_ALED2, 0),
24b9dea76 Andrew F. Davis 2016-05-01 115 AFE440X_INTENSITY_CHAN(LED1_ALED1, 0),
eec96d1e2 Andrew F. Davis 2016-02-06 116 /* LED current */
3ff34ee2a Andrew F. Davis 2016-05-01 117 AFE440X_CURRENT_CHAN(LED2),
3ff34ee2a Andrew F. Davis 2016-05-01 118 AFE440X_CURRENT_CHAN(LED1),
eec96d1e2 Andrew F. Davis 2016-02-06 119 };
eec96d1e2 Andrew F. Davis 2016-02-06 120
eec96d1e2 Andrew F. Davis 2016-02-06 121 static const struct afe440x_val_table afe4403_res_table[] = {
eec96d1e2 Andrew F. Davis 2016-02-06 122 { 500000 }, { 250000 }, { 100000 }, { 50000 },
eec96d1e2 Andrew F. Davis 2016-02-06 123 { 25000 }, { 10000 }, { 1000000 }, { 0 },
eec96d1e2 Andrew F. Davis 2016-02-06 124 };
1276187c5 Andrew F. Davis 2016-05-01 125 AFE440X_TABLE_ATTR(in_intensity_resistance_available, afe4403_res_table);
eec96d1e2 Andrew F. Davis 2016-02-06 126
eec96d1e2 Andrew F. Davis 2016-02-06 127 static const struct afe440x_val_table afe4403_cap_table[] = {
eec96d1e2 Andrew F. Davis 2016-02-06 128 { 0, 5000 }, { 0, 10000 }, { 0, 20000 }, { 0, 25000 },
eec96d1e2 Andrew F. Davis 2016-02-06 129 { 0, 30000 }, { 0, 35000 }, { 0, 45000 }, { 0, 50000 },
eec96d1e2 Andrew F. Davis 2016-02-06 130 { 0, 55000 }, { 0, 60000 }, { 0, 70000 }, { 0, 75000 },
eec96d1e2 Andrew F. Davis 2016-02-06 131 { 0, 80000 }, { 0, 85000 }, { 0, 95000 }, { 0, 100000 },
eec96d1e2 Andrew F. Davis 2016-02-06 132 { 0, 155000 }, { 0, 160000 }, { 0, 170000 }, { 0, 175000 },
eec96d1e2 Andrew F. Davis 2016-02-06 133 { 0, 180000 }, { 0, 185000 }, { 0, 195000 }, { 0, 200000 },
eec96d1e2 Andrew F. Davis 2016-02-06 134 { 0, 205000 }, { 0, 210000 }, { 0, 220000 }, { 0, 225000 },
eec96d1e2 Andrew F. Davis 2016-02-06 135 { 0, 230000 }, { 0, 235000 }, { 0, 245000 }, { 0, 250000 },
eec96d1e2 Andrew F. Davis 2016-02-06 136 };
1276187c5 Andrew F. Davis 2016-05-01 137 AFE440X_TABLE_ATTR(in_intensity_capacitance_available, afe4403_cap_table);
eec96d1e2 Andrew F. Davis 2016-02-06 138
eec96d1e2 Andrew F. Davis 2016-02-06 139 static ssize_t afe440x_show_register(struct device *dev,
eec96d1e2 Andrew F. Davis 2016-02-06 140 struct device_attribute *attr,
eec96d1e2 Andrew F. Davis 2016-02-06 141 char *buf)
eec96d1e2 Andrew F. Davis 2016-02-06 142 {
eec96d1e2 Andrew F. Davis 2016-02-06 143 struct iio_dev *indio_dev = dev_to_iio_dev(dev);
eec96d1e2 Andrew F. Davis 2016-02-06 144 struct afe4403_data *afe = iio_priv(indio_dev);
eec96d1e2 Andrew F. Davis 2016-02-06 145 struct afe440x_attr *afe440x_attr = to_afe440x_attr(attr);
81f517270 Andrew F. Davis 2016-05-01 146 unsigned int reg_val;
eec96d1e2 Andrew F. Davis 2016-02-06 147 int vals[2];
81f517270 Andrew F. Davis 2016-05-01 148 int ret;
eec96d1e2 Andrew F. Davis 2016-02-06 149
b36e82576 Andrew F. Davis 2016-05-01 150 ret = regmap_field_read(afe->fields[afe440x_attr->field], &reg_val);
eec96d1e2 Andrew F. Davis 2016-02-06 151 if (ret)
eec96d1e2 Andrew F. Davis 2016-02-06 152 return ret;
eec96d1e2 Andrew F. Davis 2016-02-06 153
81f517270 Andrew F. Davis 2016-05-01 154 if (reg_val >= afe440x_attr->table_size)
81f517270 Andrew F. Davis 2016-05-01 155 return -EINVAL;
81f517270 Andrew F. Davis 2016-05-01 156
eec96d1e2 Andrew F. Davis 2016-02-06 157 vals[0] = afe440x_attr->val_table[reg_val].integer;
eec96d1e2 Andrew F. Davis 2016-02-06 158 vals[1] = afe440x_attr->val_table[reg_val].fract;
eec96d1e2 Andrew F. Davis 2016-02-06 159
81f517270 Andrew F. Davis 2016-05-01 160 return iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, vals);
eec96d1e2 Andrew F. Davis 2016-02-06 161 }
eec96d1e2 Andrew F. Davis 2016-02-06 162
eec96d1e2 Andrew F. Davis 2016-02-06 163 static ssize_t afe440x_store_register(struct device *dev,
eec96d1e2 Andrew F. Davis 2016-02-06 164 struct device_attribute *attr,
eec96d1e2 Andrew F. Davis 2016-02-06 165 const char *buf, size_t count)
eec96d1e2 Andrew F. Davis 2016-02-06 166 {
eec96d1e2 Andrew F. Davis 2016-02-06 167 struct iio_dev *indio_dev = dev_to_iio_dev(dev);
eec96d1e2 Andrew F. Davis 2016-02-06 168 struct afe4403_data *afe = iio_priv(indio_dev);
eec96d1e2 Andrew F. Davis 2016-02-06 169 struct afe440x_attr *afe440x_attr = to_afe440x_attr(attr);
eec96d1e2 Andrew F. Davis 2016-02-06 170 int val, integer, fract, ret;
eec96d1e2 Andrew F. Davis 2016-02-06 171
eec96d1e2 Andrew F. Davis 2016-02-06 172 ret = iio_str_to_fixpoint(buf, 100000, &integer, &fract);
eec96d1e2 Andrew F. Davis 2016-02-06 173 if (ret)
eec96d1e2 Andrew F. Davis 2016-02-06 174 return ret;
eec96d1e2 Andrew F. Davis 2016-02-06 175
eec96d1e2 Andrew F. Davis 2016-02-06 176 for (val = 0; val < afe440x_attr->table_size; val++)
eec96d1e2 Andrew F. Davis 2016-02-06 177 if (afe440x_attr->val_table[val].integer == integer &&
eec96d1e2 Andrew F. Davis 2016-02-06 178 afe440x_attr->val_table[val].fract == fract)
eec96d1e2 Andrew F. Davis 2016-02-06 179 break;
eec96d1e2 Andrew F. Davis 2016-02-06 180 if (val == afe440x_attr->table_size)
eec96d1e2 Andrew F. Davis 2016-02-06 181 return -EINVAL;
eec96d1e2 Andrew F. Davis 2016-02-06 182
b36e82576 Andrew F. Davis 2016-05-01 183 ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
eec96d1e2 Andrew F. Davis 2016-02-06 184 if (ret)
eec96d1e2 Andrew F. Davis 2016-02-06 185 return ret;
eec96d1e2 Andrew F. Davis 2016-02-06 186
eec96d1e2 Andrew F. Davis 2016-02-06 187 return count;
eec96d1e2 Andrew F. Davis 2016-02-06 188 }
eec96d1e2 Andrew F. Davis 2016-02-06 189
1276187c5 Andrew F. Davis 2016-05-01 190 static AFE440X_ATTR(in_intensity1_resistance, F_RF_LED, afe4403_res_table);
1276187c5 Andrew F. Davis 2016-05-01 191 static AFE440X_ATTR(in_intensity1_capacitance, F_CF_LED, afe4403_cap_table);
eec96d1e2 Andrew F. Davis 2016-02-06 192
1276187c5 Andrew F. Davis 2016-05-01 193 static AFE440X_ATTR(in_intensity2_resistance, F_RF_LED, afe4403_res_table);
1276187c5 Andrew F. Davis 2016-05-01 194 static AFE440X_ATTR(in_intensity2_capacitance, F_CF_LED, afe4403_cap_table);
1276187c5 Andrew F. Davis 2016-05-01 195
1276187c5 Andrew F. Davis 2016-05-01 196 static AFE440X_ATTR(in_intensity3_resistance, F_RF_LED1, afe4403_res_table);
1276187c5 Andrew F. Davis 2016-05-01 197 static AFE440X_ATTR(in_intensity3_capacitance, F_CF_LED1, afe4403_cap_table);
1276187c5 Andrew F. Davis 2016-05-01 198
1276187c5 Andrew F. Davis 2016-05-01 199 static AFE440X_ATTR(in_intensity4_resistance, F_RF_LED1, afe4403_res_table);
1276187c5 Andrew F. Davis 2016-05-01 @200 static AFE440X_ATTR(in_intensity4_capacitance, F_CF_LED1, afe4403_cap_table);
eec96d1e2 Andrew F. Davis 2016-02-06 201
eec96d1e2 Andrew F. Davis 2016-02-06 202 static struct attribute *afe440x_attributes[] = {
1276187c5 Andrew F. Davis 2016-05-01 @203 &dev_attr_in_intensity_resistance_available.attr,
1276187c5 Andrew F. Davis 2016-05-01 @204 &dev_attr_in_intensity_capacitance_available.attr,
1276187c5 Andrew F. Davis 2016-05-01 @205 &afe440x_attr_in_intensity1_resistance.dev_attr.attr,
1276187c5 Andrew F. Davis 2016-05-01 206 &afe440x_attr_in_intensity1_capacitance.dev_attr.attr,
1276187c5 Andrew F. Davis 2016-05-01 207 &afe440x_attr_in_intensity2_resistance.dev_attr.attr,
1276187c5 Andrew F. Davis 2016-05-01 208 &afe440x_attr_in_intensity2_capacitance.dev_attr.attr,

:::::: The code at line 205 was first introduced by commit
:::::: 1276187c5261217aa9cc23ec153e0e903181c16b iio: health/afe440x: Make gain settings a modifier for the stages

:::::: TO: Andrew F. Davis <afd@ti.com>
:::::: CC: Jonathan Cameron <jic23@kernel.org>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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