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authorMark Brown <broonie@kernel.org>2014-09-17 11:19:07 -0700
committerMark Brown <broonie@kernel.org>2014-09-17 11:19:07 -0700
commit72df321f602520b6ea09f47a71b6795efc0a83c8 (patch)
treee32e2d9dff3d90f49e95f0bfa61860eac0dc3ed3 /drivers/media/tuners/xc4000.c
parent1414ffefd32b80f827a697505a9eede86978ebbb (diff)
parent0111d0f13469831266d716e3b50d580a3e25cff9 (diff)
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-rtlsk-v3.14-rt-14.09
Diffstat (limited to 'drivers/media/tuners/xc4000.c')
-rw-r--r--drivers/media/tuners/xc4000.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/media/tuners/xc4000.c b/drivers/media/tuners/xc4000.c
index 2018befabb5a..e71decbfd0af 100644
--- a/drivers/media/tuners/xc4000.c
+++ b/drivers/media/tuners/xc4000.c
@@ -93,7 +93,7 @@ struct xc4000_priv {
struct firmware_description *firm;
int firm_size;
u32 if_khz;
- u32 freq_hz;
+ u32 freq_hz, freq_offset;
u32 bandwidth;
u8 video_standard;
u8 rf_mode;
@@ -1157,14 +1157,14 @@ static int xc4000_set_params(struct dvb_frontend *fe)
case SYS_ATSC:
dprintk(1, "%s() VSB modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_AIR;
- priv->freq_hz = c->frequency - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = XC4000_DTV6;
type = DTV6;
break;
case SYS_DVBC_ANNEX_B:
dprintk(1, "%s() QAM modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_CABLE;
- priv->freq_hz = c->frequency - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = XC4000_DTV6;
type = DTV6;
break;
@@ -1173,23 +1173,23 @@ static int xc4000_set_params(struct dvb_frontend *fe)
dprintk(1, "%s() OFDM\n", __func__);
if (bw == 0) {
if (c->frequency < 400000000) {
- priv->freq_hz = c->frequency - 2250000;
+ priv->freq_offset = 2250000;
} else {
- priv->freq_hz = c->frequency - 2750000;
+ priv->freq_offset = 2750000;
}
priv->video_standard = XC4000_DTV7_8;
type = DTV78;
} else if (bw <= 6000000) {
priv->video_standard = XC4000_DTV6;
- priv->freq_hz = c->frequency - 1750000;
+ priv->freq_offset = 1750000;
type = DTV6;
} else if (bw <= 7000000) {
priv->video_standard = XC4000_DTV7;
- priv->freq_hz = c->frequency - 2250000;
+ priv->freq_offset = 2250000;
type = DTV7;
} else {
priv->video_standard = XC4000_DTV8;
- priv->freq_hz = c->frequency - 2750000;
+ priv->freq_offset = 2750000;
type = DTV8;
}
priv->rf_mode = XC_RF_MODE_AIR;
@@ -1200,6 +1200,8 @@ static int xc4000_set_params(struct dvb_frontend *fe)
goto fail;
}
+ priv->freq_hz = c->frequency - priv->freq_offset;
+
dprintk(1, "%s() frequency=%d (compensated)\n",
__func__, priv->freq_hz);
@@ -1520,7 +1522,7 @@ static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq)
{
struct xc4000_priv *priv = fe->tuner_priv;
- *freq = priv->freq_hz;
+ *freq = priv->freq_hz + priv->freq_offset;
if (debug) {
mutex_lock(&priv->lock);