diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index b85e80a71363..fdbf0316b6de 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -43,7 +43,6 @@ #include "iwl-helpers.h" #include "iwl-agn.h" #include "iwl-agn-hw.h" -#include "iwl-5000-hw.h" #include "iwl-trans.h" #include "iwl-shared.h" #include "iwl-cfg.h" @@ -134,6 +133,21 @@ static struct iwl_sensitivity_ranges iwl5150_sensitivity = { .nrg_th_cca = 62, }; +#define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF (-5) + +static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv) +{ + u16 temperature, voltage; + __le16 *temp_calib = (__le16 *)iwl_eeprom_query_addr(priv, + EEPROM_KELVIN_TEMPERATURE); + + temperature = le16_to_cpu(temp_calib[0]); + voltage = le16_to_cpu(temp_calib[1]); + + /* offset = temp - volt / coeff */ + return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF); +} + static void iwl5150_set_ct_threshold(struct iwl_priv *priv) { const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF; |