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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-10-11 22:07:19 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-11 22:07:19 +0400
commitbf3b202b41999f88f091632f13842b7234bd58b7 (patch)
treee2861fcca522cc299e6106fa6c78d85a4a6eedeb /drivers/media/dvb-frontends/af9033.c
parent782cd9ee985b1523f1ddad57657a24d7855d9e4d (diff)
parent1fdead8ad31d3aa833bc37739273fcde89ace93c (diff)
downloadlinux-bf3b202b41999f88f091632f13842b7234bd58b7.tar.xz
Merge branch 'staging/for_v3.7' into v4l_for_linus
Applied on the top of changeset 782cd9e, as some of those patches depend on some fixes that went via -arm tree. * staging/for_v3.7: (109 commits) [media] m5mols: Add missing #include <linux/sizes.h> [media] stk1160: Add support for S-Video input Revert "[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check" [media] dvb: LNA implementation changes [media] v4l2-ioctl: fix W=1 warnings [media] v4l2-ioctl: add blocks check for VIDIOC_SUBDEV_G/S_EDID [media] omap3isp: Fix compilation error in ispreg.h [media] rc-msi-digivox-ii: Add full scan keycodes [media] cx25821: testing the wrong variable [media] tda18271-common: hold the I2C adapter during write transfers [media] ds3000: add module parameter to force firmware upload [media] drivers/media: Remove unnecessary semicolon [media] winbond: remove space from driver name [media] iguanair: cannot send data from the stack [media] omap3isp: Replace cpu_is_omap3630() with ISP revision check [media] dvb-usb: print small buffers via %*ph [media] uvc: Add return code check at vb2_queue_init() [media] em28xx: Replace memcpy with struct assignment [media] bt8xx: Add video4linux control V4L2_CID_COLOR_KILLER [media] mem2mem_testdev: Use devm_kzalloc() in probe ...
Diffstat (limited to 'drivers/media/dvb-frontends/af9033.c')
-rw-r--r--drivers/media/dvb-frontends/af9033.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 8162d939c4b2..464ad878490b 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -408,7 +408,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
{
struct af9033_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret, i, spec_inv;
+ int ret, i, spec_inv, sampling_freq;
u8 tmp, buf[3], bandwidth_reg_val;
u32 if_frequency, freq_cw, adc_freq;
@@ -465,18 +465,20 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
else
if_frequency = 0;
- while (if_frequency > (adc_freq / 2))
- if_frequency -= adc_freq;
+ sampling_freq = if_frequency;
- if (if_frequency >= 0)
+ while (sampling_freq > (adc_freq / 2))
+ sampling_freq -= adc_freq;
+
+ if (sampling_freq >= 0)
spec_inv *= -1;
else
- if_frequency *= -1;
+ sampling_freq *= -1;
- freq_cw = af9033_div(state, if_frequency, adc_freq, 23ul);
+ freq_cw = af9033_div(state, sampling_freq, adc_freq, 23ul);
if (spec_inv == -1)
- freq_cw *= -1;
+ freq_cw = 0x800000 - freq_cw;
/* get adc multiplies */
ret = af9033_rd_reg(state, 0x800045, &tmp);