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| author | Larry Finger <Larry.Finger@lwfinger.net> | 2013-11-18 11:11:32 -0600 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-12-05 14:55:14 -0500 |
| commit | 97204e93f01868eeba6ae5c4f3270f32905bb418 (patch) | |
| tree | b8d2ae85d82c94f1fe93873bbca0655aeeff3ac8 | |
| parent | 65b9cc97c6852fae19dc5c7745e9abc8dd380aad (diff) | |
| download | lwn-97204e93f01868eeba6ae5c4f3270f32905bb418.tar.gz lwn-97204e93f01868eeba6ae5c4f3270f32905bb418.zip | |
rtlwifi: rtl8192c: Add routines to save/restore power index registers
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index e9caa5d4cff0..9fc4b64d6bf0 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -158,6 +158,42 @@ static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} }; +static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a}; + +void dm_restorepowerindex(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + + for (index = 0; index < 6; index++) + rtl_write_byte(rtlpriv, power_index_reg[index], + rtlpriv->dm.powerindex_backup[index]); +} +EXPORT_SYMBOL_GPL(dm_restorepowerindex); + +void dm_writepowerindex(struct ieee80211_hw *hw, u8 value) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + + for (index = 0; index < 6; index++) + rtl_write_byte(rtlpriv, power_index_reg[index], value); +} +EXPORT_SYMBOL_GPL(dm_writepowerindex); + +void dm_savepowerindex(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + u8 tmp; + + for (index = 0; index < 6; index++) { + tmp = rtl_read_byte(rtlpriv, power_index_reg[index]); + rtlpriv->dm.powerindex_backup[index] = tmp; + } +} +EXPORT_SYMBOL_GPL(dm_savepowerindex); + static void rtl92c_dm_diginit(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); |