mediatek/mt7601u/phy.c

879 	int curr_pwr, diff_pwr;
915 	diff_pwr = params.trgt_power - curr_pwr;
916 	dev_dbg(dev->dev, "Power curr:%08x diff:%08x\n", curr_pwr, diff_pwr);
918 	if (params.tssi0 > 126 && diff_pwr > 0) {
920 		diff_pwr = 0;
922 	if (params.tssi0 - tssi_init < 1 && diff_pwr < 0) {
924 		diff_pwr = 0;
927 	if ((dev->prev_pwr_diff ^ diff_pwr) < 0 && abs(diff_pwr) < 4096 &&
928 	    (abs(diff_pwr) > abs(dev->prev_pwr_diff) ||
929 	     (diff_pwr > 0 && diff_pwr == -dev->prev_pwr_diff)))
930 		diff_pwr = 0;
932 		dev->prev_pwr_diff = diff_pwr;
934 	diff_pwr += (diff_pwr > 0) ? 2048 : -2048;
935 	diff_pwr /= 4096;
937 	dev_dbg(dev->dev, "final diff: %08x\n", diff_pwr);
941 	diff_pwr += curr_pwr;
942 	val = (val & ~MT_TX_ALC_CFG_1_TEMP_COMP) | int_to_s6(diff_pwr);