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Commit 97204e93 authored by Larry Finger's avatar Larry Finger Committed by John W. Linville
Browse files

rtlwifi: rtl8192c: Add routines to save/restore power index registers 



Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 65b9cc97

drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c

+36 −0
Original line number Original line Diff line number Diff line
@@ -158,6 +158,42 @@ static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { 
	{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}

	{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)

static void rtl92c_dm_diginit(struct ieee80211_hw *hw)

{

{

	struct rtl_priv *rtlpriv = rtl_priv(hw);

	struct rtl_priv *rtlpriv = rtl_priv(hw);