/*
*sysfs hook function
*/
static ssize_t adc_read(struct device *dev,
struct device_attribute *devattr, char *buf) {
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct bcmpmu59xxx *bcmpmu = gbcmpmu;
struct bcmpmu_adc_result result;
int ret = 0;
int len = 0;
len += snprintf(buf + len, 30, "SAR READ OF channel = %d", attr->index);
ret = bcmpmu_adc_read(bcmpmu, attr->index,
PMU_ADC_REQ_SAR_MODE, &result);
if (ret < 0)
return ret;
/* Powersupply frame work expects temperature to be
* reported in Tenth multiple of centigrade. so we are maintaning
* the temperature look up table in same manner in board file.
* But reporting the same to user confuses.
* so again dividing by 10 and reporting*/
if ((attr->index == PMU_ADC_CHANN_NTC) ||
(attr->index == PMU_ADC_CHANN_32KTEMP) ||
(attr->index == PMU_ADC_CHANN_PATEMP) ||
(attr->index == PMU_ADC_CHANN_DIE_TEMP))
result.conv = result.conv / 10;
len += snprintf(buf + len, 30, " raw = 0x%x conv = %d\n",
result.raw, result.conv);
len += snprintf(buf + len, 30, "RTM READ OF channel = %d", attr->index);
ret = bcmpmu_adc_read(bcmpmu, attr->index,
PMU_ADC_REQ_RTM_MODE, &result);
if (ret < 0)
return ret;
/* Powersupply frame work expects temperature to be
* reported in Tenth multiple of centigrade. so we are maintaning
* the temperature look up table in same manner in board file.
* But reporting the same to user confuses.
* so again dividing by 10 and reporting*/
if ((attr->index == PMU_ADC_CHANN_NTC) ||
(attr->index == PMU_ADC_CHANN_32KTEMP) ||
(attr->index == PMU_ADC_CHANN_PATEMP) ||
(attr->index == PMU_ADC_CHANN_DIE_TEMP))
result.conv = result.conv / 10;
len += snprintf(buf + len, 30, " raw = 0x%x conv = %d\n",
result.raw, result.conv);
return len;
}
static void sec_thermistor_bcmpmu_adc_read(struct bcmpmu59xxx *bcmpmu,
enum bcmpmu_adc_channel channel,
enum bcmpmu_adc_req req,
struct bcmpmu_adc_result *result)
{
int ret = 0;
int retries = SEC_THERMISTOR_ADC_READ_TRIES;
static int t_result_conv;
while (retries--) {
ret = bcmpmu_adc_read(bcmpmu, channel, req, result);
if (!ret)
break;
msleep(SEC_THERMISTOR_ADC_RETRY_DELAY);
}
#if 1
if(retries <= 0)
result->conv= t_result_conv;
else
t_result_conv = result->conv;
#else
BUG_ON(retries <= 0);
#endif
}
static int bcmpmu_rpc_get_val(struct bcmpmu59xxx *bcmpmu,
enum bcmpmu_adc_channel channel,
enum bcmpmu_adc_req req,
struct bcmpmu_adc_result *result)
{
int ret;
int retry = ADC_RETRY;
while (retry) {
ret = bcmpmu_adc_read(bcmpmu, channel, req, result);
if (!ret)
break;
retry--;
}
return ret;
}
static void spa_bcmpmu_adc_read(struct bcmpmu59xxx *bcmpmu,
enum bcmpmu_adc_channel channel,
enum bcmpmu_adc_req req,
struct bcmpmu_adc_result *result)
{
int ret = 0;
int retries = SPA_ADC_READ_TRIES;
while (retries--) {
ret = bcmpmu_adc_read(bcmpmu, channel, req, result);
if (!ret)
break;
}
BUG_ON(retries <= 0);
}