diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43/phy_lp.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/phy_lp.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.c b/drivers/net/wireless/broadcom/b43/phy_lp.c index 6922cbb99a04..46408a560814 100644 --- a/drivers/net/wireless/broadcom/b43/phy_lp.c +++ b/drivers/net/wireless/broadcom/b43/phy_lp.c @@ -23,6 +23,7 @@ */ +#include <linux/cordic.h> #include <linux/slab.h> #include "b43.h" @@ -1780,9 +1781,9 @@ static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max) { struct b43_phy_lp *lpphy = dev->phy.lp; u16 buf[64]; - int i, samples = 0, angle = 0; + int i, samples = 0, theta = 0; int rotation = (((36 * freq) / 20) << 16) / 100; - struct b43_c32 sample; + struct cordic_iq sample; lpphy->tx_tone_freq = freq; @@ -1798,10 +1799,10 @@ static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max) } for (i = 0; i < samples; i++) { - sample = b43_cordic(angle); - angle += rotation; - buf[i] = CORDIC_CONVERT((sample.i * max) & 0xFF) << 8; - buf[i] |= CORDIC_CONVERT((sample.q * max) & 0xFF); + sample = cordic_calc_iq(CORDIC_FIXED(theta)); + theta += rotation; + buf[i] = CORDIC_FLOAT((sample.i * max) & 0xFF) << 8; + buf[i] |= CORDIC_FLOAT((sample.q * max) & 0xFF); } b43_lptab_write_bulk(dev, B43_LPTAB16(5, 0), samples, buf); |