static ssize_t ak09911c_adc(struct device *dev,
struct device_attribute *attr, char *buf)
{
bool success = false;
int ret;
struct ak09911c_p *data = dev_get_drvdata(dev);
struct ak09911c_v mag = data->magdata;
if (atomic_read(&data->enable) == 1) {
success = true;
msleep(20);
goto exit;
}
ret = ak09911c_read_mag_xyz(data, &mag);
if (ret < 0)
success = false;
else
success = true;
data->magdata = mag;
exit:
return snprintf(buf, PAGE_SIZE, "%s,%d,%d,%d\n",
(success ? "OK" : "NG"), mag.x, mag.y, mag.z);
}
static ssize_t ak09911c_get_selftest(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0, dac_ret, adc_ret;
int sf_ret, sf[3] = {0,};
struct ak09911c_v mag;
struct ak09911c_p *data = dev_get_drvdata(dev);
if (atomic_read(&data->enable) == 1) {
ak09911c_ecs_set_mode(data, AK09911C_MODE_POWERDOWN);
cancel_delayed_work_sync(&data->work);
}
sf_ret = ak09911c_selftest(data, &dac_ret, sf);
adc_ret = ak09911c_read_mag_xyz(data, &mag);
if (atomic_read(&data->enable) == 1) {
ak09911c_ecs_set_mode(data, AK09911C_MODE_SNG_MEASURE);
schedule_delayed_work(&data->work,
nsecs_to_jiffies(atomic_read(&data->delay)));
}
ret = sf_ret + dac_ret + adc_ret;
return snprintf(buf, PAGE_SIZE, "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
ret, sf_ret, sf[0], sf[1], sf[2], dac_ret,
adc_ret, mag.x, mag.y, mag.z);
}
static ssize_t ak09911c_get_selftest(struct device *dev,
struct device_attribute *attr, char *buf)
{
int status, dac_ret = -1, adc_ret = -1;
int sf_ret, sf[3] = {0,}, retries;
struct ak09911c_v mag;
struct ak09911c_p *data = dev_get_drvdata(dev);
/* STATUS */
if ((data->asa[0] == 0) | (data->asa[0] == 0xff)
| (data->asa[1] == 0) | (data->asa[1] == 0xff)
| (data->asa[2] == 0) | (data->asa[2] == 0xff))
status = -1;
else
status = 0;
if (atomic_read(&data->enable) == 1) {
ak09911c_ecs_set_mode(data, AK09911C_MODE_POWERDOWN);
cancel_delayed_work_sync(&data->work);
}
sf_ret = ak09911c_selftest(data, &dac_ret, sf);
for (retries = 0; retries < 5; retries++) {
if (ak09911c_read_mag_xyz(data, &mag) == 0) {
if ((mag.x < 1600) && (mag.x > -1600)
&& (mag.y < 1600) && (mag.y > -1600)
&& (mag.z < 1600) && (mag.z > -1600))
adc_ret = 0;
else
pr_err("[SENSOR]: %s adc specout %d, %d, %d\n",
__func__, mag.x, mag.y, mag.z);
break;
}
msleep(20);
pr_err("%s adc retries %d", __func__, retries);
}
if (atomic_read(&data->enable) == 1) {
ak09911c_ecs_set_mode(data, AK09911C_MODE_SNG_MEASURE);
schedule_delayed_work(&data->work,
nsecs_to_jiffies(atomic_read(&data->delay)));
}
return snprintf(buf, PAGE_SIZE, "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
status, sf_ret, sf[0], sf[1], sf[2], dac_ret,
adc_ret, mag.x, mag.y, mag.z);
}
static ssize_t ak09911c_raw_data_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ak09911c_p *data = dev_get_drvdata(dev);
struct ak09911c_v mag = data->magdata;
if (atomic_read(&data->enable) == 1) {
msleep(20);
goto exit;
}
ak09911c_read_mag_xyz(data, &mag);
exit:
return snprintf(buf, PAGE_SIZE, "%d,%d,%d\n", mag.x, mag.y, mag.z);
}
static void ak09911c_work_func(struct work_struct *work)
{
struct ak09911c_v mag;
struct ak09911c_p *data = container_of((struct delayed_work *)work,
struct ak09911c_p, work);
unsigned long delay = nsecs_to_jiffies(atomic_read(&data->delay));
int ret;
ret = ak09911c_read_mag_xyz(data, &mag);
if (ret >= 0) {
input_report_rel(data->input, REL_X, mag.x);
input_report_rel(data->input, REL_Y, mag.y);
input_report_rel(data->input, REL_Z, mag.z);
input_sync(data->input);
data->magdata = mag;
}
schedule_delayed_work(&data->work, delay);
}