diff options
author | Fabio Rossi <rossi.f@inwind.it> | 2009-04-01 14:37:50 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-05-20 14:29:53 -0400 |
commit | 875690c378d64d9ee2de15cad8206d3f11ae5096 (patch) | |
tree | 18f7516a6523dc662bb41e23e949d277543a144c /drivers/net | |
parent | fbc9f97bbf5e1eaee562eba93dc60faaff3f3bfa (diff) |
ath5k: fix interpolation with equal power levels
When the EEPROM contains weird values for the power levels we have to
fix the interpolation process.
Signed-off-by: Fabio Rossi <rossi.f@inwind.it>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/ath5k/phy.c | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c index 9e2faae5ae94..b48b29dca3d2 100644 --- a/drivers/net/wireless/ath5k/phy.c +++ b/drivers/net/wireless/ath5k/phy.c | |||
@@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR, | |||
1487 | { | 1487 | { |
1488 | s8 tmp; | 1488 | s8 tmp; |
1489 | s16 min_pwrL, min_pwrR; | 1489 | s16 min_pwrL, min_pwrR; |
1490 | s16 pwr_i = pwrL[0]; | 1490 | s16 pwr_i; |
1491 | 1491 | ||
1492 | do { | 1492 | if (pwrL[0] == pwrL[1]) |
1493 | pwr_i--; | 1493 | min_pwrL = pwrL[0]; |
1494 | tmp = (s8) ath5k_get_interpolated_value(pwr_i, | 1494 | else { |
1495 | pwrL[0], pwrL[1], | 1495 | pwr_i = pwrL[0]; |
1496 | stepL[0], stepL[1]); | 1496 | do { |
1497 | 1497 | pwr_i--; | |
1498 | } while (tmp > 1); | 1498 | tmp = (s8) ath5k_get_interpolated_value(pwr_i, |
1499 | 1499 | pwrL[0], pwrL[1], | |
1500 | min_pwrL = pwr_i; | 1500 | stepL[0], stepL[1]); |
1501 | 1501 | } while (tmp > 1); | |
1502 | pwr_i = pwrR[0]; | 1502 | |
1503 | do { | 1503 | min_pwrL = pwr_i; |
1504 | pwr_i--; | 1504 | } |
1505 | tmp = (s8) ath5k_get_interpolated_value(pwr_i, | ||
1506 | pwrR[0], pwrR[1], | ||
1507 | stepR[0], stepR[1]); | ||
1508 | |||
1509 | } while (tmp > 1); | ||
1510 | 1505 | ||
1511 | min_pwrR = pwr_i; | 1506 | if (pwrR[0] == pwrR[1]) |
1507 | min_pwrR = pwrR[0]; | ||
1508 | else { | ||
1509 | pwr_i = pwrR[0]; | ||
1510 | do { | ||
1511 | pwr_i--; | ||
1512 | tmp = (s8) ath5k_get_interpolated_value(pwr_i, | ||
1513 | pwrR[0], pwrR[1], | ||
1514 | stepR[0], stepR[1]); | ||
1515 | } while (tmp > 1); | ||
1516 | |||
1517 | min_pwrR = pwr_i; | ||
1518 | } | ||
1512 | 1519 | ||
1513 | /* Keep the right boundary so that it works for both curves */ | 1520 | /* Keep the right boundary so that it works for both curves */ |
1514 | return max(min_pwrL, min_pwrR); | 1521 | return max(min_pwrL, min_pwrR); |