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/*
* Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/module.h>
#include <linux/iio/light/ls_sysfs.h>
static const char *propname[NUM_PROP] = {
"vendor"
};
/* look up table for light sensor's per channel sysfs */
static const char *sysfs_ls_lut[MAX_CHAN][MAX_CHAN_PROP] = {
{
"in_illuminance_max_range",
"in_illuminance_integration_time",
"in_illuminance_resolution",
"in_illuminance_power_consumed"
},
{
"in_proximity_max_range",
"in_proximity_integration_time",
"in_proximity_power_consumed"
}
};
static const char *get_ls_spec_val(struct lightsensor_spec *ls_spec,
const char *sysfs_name)
{
int i, j;
if (sysfs_name == NULL)
return NULL;
if (!ls_spec)
return NULL;
for (i = 0; i < NUM_PROP; i++)
if (strstr(sysfs_name, propname[i]))
return ls_spec->prop[i];
for (i = 0; i < MAX_CHAN; i++)
for (j = 0; j < MAX_CHAN_PROP; j++)
if (sysfs_ls_lut[i][j] &&
strstr(sysfs_name, sysfs_ls_lut[i][j]))
return ls_spec->chan_prop[i][j];
return NULL;
}
void fill_ls_attrs(struct lightsensor_spec *ls_spec,
struct attribute **attrs)
{
struct attribute *attr;
struct device_attribute *dev_attr;
struct iio_const_attr *iio_const_attr;
int i;
const char *val;
if (!ls_spec || !attrs)
return;
for (i = 0, attr = attrs[i]; attr; attr = attrs[i++]) {
dev_attr = container_of(attr, struct device_attribute, attr);
iio_const_attr = to_iio_const_attr(dev_attr);
val = get_ls_spec_val(ls_spec, attr->name);
if (val)
iio_const_attr->string = val;
}
}
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