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-rw-r--r--drivers/media/common/tuners/tuner-xc2028.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 14649e456fd..27e7cb6622b 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -917,22 +917,29 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
* that xc2028 will be in a safe state.
* Maybe this might also be needed for DTV.
*/
- if (new_mode == T_ANALOG_TV) {
+ if (new_mode == T_ANALOG_TV)
rc = send_seq(priv, {0x00, 0x00});
- } else if (priv->cur_fw.type & ATSC) {
- offset = 1750000;
- } else {
- offset = 2750000;
+
+ /*
+ * Digital modes require an offset to adjust to the
+ * proper frequency.
+ * Analog modes require offset = 0
+ */
+ if (new_mode != T_ANALOG_TV) {
+ /* Sets the offset according with firmware */
+ if (priv->cur_fw.type & DTV6)
+ offset = 1750000;
+ else if (priv->cur_fw.type & DTV7)
+ offset = 2250000;
+ else /* DTV8 or DTV78 */
+ offset = 2750000;
+
/*
- * We must adjust the offset by 500kHz in two cases in order
- * to correctly center the IF output:
- * 1) When the ZARLINK456 or DIBCOM52 tables were explicitly
- * selected and a 7MHz channel is tuned;
- * 2) When tuning a VHF channel with DTV78 firmware.
+ * We must adjust the offset by 500kHz when
+ * tuning a 7MHz VHF channel with DTV78 firmware
+ * (used in Australia, Italy and Germany)
*/
- if (((priv->cur_fw.type & DTV7) &&
- (priv->cur_fw.scode_table & (ZARLINK456 | DIBCOM52))) ||
- ((priv->cur_fw.type & DTV78) && freq < 470000000))
+ if ((priv->cur_fw.type & DTV78) && freq < 470000000)
offset -= 500000;
}