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

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Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2013-11-18 11:11:32 -06:00 committed by John W. Linville
parent 65b9cc97c6
commit 97204e93f0
1 changed files with 36 additions and 0 deletions
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36
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
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@ -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);