ath5k: Separate powertable setup and writing

And rename functions which write the powertable to make it clearer.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 7c6d7dc62f3a3a8326740194b1696f561303faef..6f0cf3a09b2cf02707e3bbccaaf9272f37e7af3a 100644 (file)
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -2593,7 +2593,7 @@ ath5k_combine_linear_pcdac_curves(struct ath5k_hw *ah, s16* table_min,
 
 /* Write PCDAC values on hw */
 static void
-ath5k_setup_pcdac_table(struct ath5k_hw *ah)
+ath5k_write_pcdac_table(struct ath5k_hw *ah)
 {
        u8      *pcdac_out = ah->ah_txpower.txp_pd_table;
        int     i;
@@ -2742,7 +2742,7 @@ ath5k_combine_pwr_to_pdadc_curves(struct ath5k_hw *ah,
 
 /* Write PDADC values on hw */
 static void
-ath5k_setup_pwr_to_pdadc_table(struct ath5k_hw *ah, u8 ee_mode)
+ath5k_write_pwr_to_pdadc_table(struct ath5k_hw *ah, u8 ee_mode)
 {
        struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
        u8 *pdadc_out = ah->ah_txpower.txp_pd_table;
@@ -2957,8 +2957,7 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
                                        (s16) pcinfo_R->freq,
                                        pcinfo_L->max_pwr, pcinfo_R->max_pwr);
 
-       /* We are ready to go, fill PCDAC/PDADC
-        * table and write settings on hardware */
+       /* Fill PCDAC/PDADC table */
        switch (type) {
        case AR5K_PWRTABLE_LINEAR_PCDAC:
                /* For RF5112 we can have one or two curves
@@ -2971,9 +2970,6 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
                 * match max power value with max
                 * table index */
                ah->ah_txpower.txp_offset = 64 - (table_max[0] / 2);
-
-               /* Write settings on hw */
-               ath5k_setup_pcdac_table(ah);
                break;
        case AR5K_PWRTABLE_PWR_TO_PCDAC:
                /* We are done for RF5111 since it has only
@@ -2983,9 +2979,6 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
                /* No rate powertable adjustment for RF5111 */
                ah->ah_txpower.txp_min_idx = 0;
                ah->ah_txpower.txp_offset = 0;
-
-               /* Write settings on hw */
-               ath5k_setup_pcdac_table(ah);
                break;
        case AR5K_PWRTABLE_PWR_TO_PDADC:
                /* Set PDADC boundaries and fill
@@ -2993,9 +2986,6 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
                ath5k_combine_pwr_to_pdadc_curves(ah, table_min, table_max,
                                                ee->ee_pd_gains[ee_mode]);
 
-               /* Write settings on hw */
-               ath5k_setup_pwr_to_pdadc_table(ah, ee_mode);
-
                /* Set txp.offset, note that table_min
                 * can be negative */
                ah->ah_txpower.txp_offset = table_min[0];
@@ -3009,6 +2999,15 @@ ath5k_setup_channel_powertable(struct ath5k_hw *ah,
        return 0;
 }
 
+/* Write power table for current channel to hw */
+static void
+ath5k_write_channel_powertable(struct ath5k_hw *ah, u8 ee_mode, u8 type)
+{
+       if (type == AR5K_PWRTABLE_PWR_TO_PDADC)
+               ath5k_write_pwr_to_pdadc_table(ah, ee_mode);
+       else
+               ath5k_write_pcdac_table(ah);
+}
 
 /*
  * Per-rate tx power setting
@@ -3159,11 +3158,10 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
                                                        ee_mode, type);
                if (ret)
                        return ret;
-       /* Write cached table on hw */
-       } else if (type == AR5K_PWRTABLE_PWR_TO_PDADC)
-               ath5k_setup_pwr_to_pdadc_table(ah, ee_mode);
-       else
-               ath5k_setup_pcdac_table(ah);
+       }
+
+       /* Write table on hw */
+       ath5k_write_channel_powertable(ah, ee_mode, type);
 
        /* Limit max power if we have a CTL available */
        ath5k_get_max_ctl_power(ah, channel);