/**
* omap_bandgap_write_tcold() - sets the sensor tcold
* @bg_ptr - pointer to bandgap instance
* @id - sensor id
* @val - desired tcold value
*
* returns 0 on success or the proper error code
*/
int omap_bandgap_write_tcold(struct omap_bandgap *bg_ptr, int id, int val)
{
struct temp_sensor_data *ts_data;
struct temp_sensor_registers *tsr;
u32 t_cold;
int ret;
ret = omap_bandgap_validate(bg_ptr, id);
if (ret)
return ret;
if (!OMAP_BANDGAP_HAS(bg_ptr, TALERT))
return -ENOTSUPP;
ts_data = bg_ptr->conf->sensors[id].ts_data;
tsr = bg_ptr->conf->sensors[id].registers;
if (val > ts_data->max_temp + ts_data->hyst_val)
return -EINVAL;
ret = temp_to_adc_conversion(val, bg_ptr, id, &t_cold);
if (ret < 0)
return ret;
mutex_lock(&bg_ptr->bg_mutex);
temp_sensor_configure_tcold(bg_ptr, id, t_cold);
mutex_unlock(&bg_ptr->bg_mutex);
return 0;
}
int omap4460plus_scm_set_temp_max_hyst(struct scm *scm_ptr, int id, int val)
{
struct omap4460plus_temp_sensor_registers *tsr;
u32 t_cold;
tsr = scm_ptr->registers[id];
if (val > scm_ptr->ts_data[id]->max_temp +
scm_ptr->ts_data[id]->hyst_val)
return -EINVAL;
t_cold = temp_to_adc_conversion(val, scm_ptr, id);
if (t_cold < 0)
return t_cold;
mutex_lock(&scm_ptr->scm_mutex);
temp_sensor_configure_tcold(scm_ptr, id, t_cold);
mutex_unlock(&scm_ptr->scm_mutex);
return 0;
}
