[PATCH] dvb: Remove broken stv0299 enhanced tuning code

Remove broken stv0299 enhanced tuning code

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

9 files changed, 10 insertions, 57 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
index 47e28b0ee95..bf5651b98bb 100644
--- a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
+++ b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
@@ -234,7 +234,6 @@ static struct stv0299_config samsung_tbmu24112_config = {
 	.inittab = samsung_tbmu24112_inittab,
 	.mclk = 88000000UL,
 	.invert = 0,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_LK,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
index ae00d7a40d7..35dc8439be1 100644
--- a/drivers/media/dvb/frontends/stv0299.c
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -553,49 +553,16 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	if (state->config->invert) invval = (~invval) & 1;
 	stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval);
 
-	if (state->config->enhanced_tuning) {
-		/* check if we should do a finetune */
-		int frequency_delta = p->frequency - state->tuner_frequency;
-		int minmax = p->u.qpsk.symbol_rate / 2000;
-		if (minmax < 5000) minmax = 5000;
-
-		if ((frequency_delta > -minmax) && (frequency_delta < minmax) && (frequency_delta != 0) &&
-		    (state->fec_inner == p->u.qpsk.fec_inner) &&
-		    (state->symbol_rate == p->u.qpsk.symbol_rate)) {
-			int Drot_freq = (frequency_delta << 16) / (state->config->mclk / 1000);
-
-			// zap the derotator registers first
-			stv0299_writeregI(state, 0x22, 0x00);
-			stv0299_writeregI(state, 0x23, 0x00);
-
-			// now set them as we want
-			stv0299_writeregI(state, 0x22, Drot_freq >> 8);
-			stv0299_writeregI(state, 0x23, Drot_freq);
-		} else {
-			/* A "normal" tune is requested */
-			stv0299_writeregI(state, 0x05, 0xb5);	/*  enable i2c repeater on stv0299  */
-			state->config->pll_set(fe, state->i2c, p);
-			stv0299_writeregI(state, 0x05, 0x35);	/*  disable i2c repeater on stv0299  */
-
-			stv0299_writeregI(state, 0x32, 0x80);
-			stv0299_writeregI(state, 0x22, 0x00);
-			stv0299_writeregI(state, 0x23, 0x00);
-			stv0299_writeregI(state, 0x32, 0x19);
-			stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
-			stv0299_set_FEC (state, p->u.qpsk.fec_inner);
-		}
-	} else {
-		stv0299_writeregI(state, 0x05, 0xb5);	/*  enable i2c repeater on stv0299  */
-		state->config->pll_set(fe, state->i2c, p);
-		stv0299_writeregI(state, 0x05, 0x35);	/*  disable i2c repeater on stv0299  */
-
-		stv0299_set_FEC (state, p->u.qpsk.fec_inner);
-		stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
-		stv0299_writeregI(state, 0x22, 0x00);
-		stv0299_writeregI(state, 0x23, 0x00);
-		stv0299_readreg (state, 0x23);
-		stv0299_writeregI(state, 0x12, 0xb9);
-	}
+	stv0299_writeregI(state, 0x05, 0xb5);	/*  enable i2c repeater on stv0299  */
+	state->config->pll_set(fe, state->i2c, p);
+	stv0299_writeregI(state, 0x05, 0x35);	/*  disable i2c repeater on stv0299  */
+
+	stv0299_set_FEC (state, p->u.qpsk.fec_inner);
+	stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
+	stv0299_writeregI(state, 0x22, 0x00);
+	stv0299_writeregI(state, 0x23, 0x00);
+	stv0299_readreg (state, 0x23);
+	stv0299_writeregI(state, 0x12, 0xb9);
 
 	state->tuner_frequency = p->frequency;
 	state->fec_inner = p->u.qpsk.fec_inner;
diff --git a/drivers/media/dvb/frontends/stv0299.h b/drivers/media/dvb/frontends/stv0299.h
index d0c4484861e..9af3d71c89d 100644
--- a/drivers/media/dvb/frontends/stv0299.h
+++ b/drivers/media/dvb/frontends/stv0299.h
@@ -73,9 +73,6 @@ struct stv0299_config
 	/* does the inversion require inversion? */
 	u8 invert:1;
 
-	/* Should the enhanced tuning code be used? */
-	u8 enhanced_tuning:1;
-
 	/* Skip reinitialisation? */
 	u8 skip_reinit:1;
 
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 22b203f8ff2..820eea29432 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -1644,7 +1644,6 @@ static struct stv0299_config alps_bsru6_config = {
 	.inittab = alps_bsru6_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
@@ -1721,7 +1720,6 @@ static struct stv0299_config alps_bsbe1_config = {
 	.inittab = alps_bsbe1_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.min_delay_ms = 100,
 	.set_symbol_rate = alps_bsru6_set_symbol_rate,
diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 7692cd23f83..ac108102b67 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -531,7 +531,6 @@ static struct stv0299_config typhoon_config = {
 	.inittab = typhoon_cinergy1200s_inittab,
 	.mclk = 88000000UL,
 	.invert = 0,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP0,
@@ -546,7 +545,6 @@ static struct stv0299_config cinergy_1200s_config = {
 	.inittab = typhoon_cinergy1200s_inittab,
 	.mclk = 88000000UL,
 	.invert = 0,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_0,
 	.volt13_op0_op1 = STV0299_VOLT13_OP0,
diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c
index 51c30ba6814..9263ed686fd 100644
--- a/drivers/media/dvb/ttpci/budget-ci.c
+++ b/drivers/media/dvb/ttpci/budget-ci.c
@@ -580,7 +580,6 @@ static struct stv0299_config alps_bsru6_config = {
 	.inittab = alps_bsru6_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
@@ -710,7 +709,6 @@ static struct stv0299_config philips_su1278_tt_config = {
 	.inittab = philips_su1278_tt_inittab,
 	.mclk = 64000000UL,
 	.invert = 0,
-	.enhanced_tuning = 1,
 	.skip_reinit = 1,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c
index b1f21ef0e3b..8ee4ac5b536 100644
--- a/drivers/media/dvb/ttpci/budget-patch.c
+++ b/drivers/media/dvb/ttpci/budget-patch.c
@@ -379,7 +379,6 @@ static struct stv0299_config alps_bsru6_config = {
 	.inittab = alps_bsru6_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index 0f6ead848e4..ba308349ac9 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -360,7 +360,6 @@ static struct stv0299_config alps_bsru6_config = {
 	.inittab = alps_bsru6_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
@@ -436,7 +435,6 @@ static struct stv0299_config alps_bsbe1_config = {
 	.inittab = alps_bsbe1_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.min_delay_ms = 100,
 	.set_symbol_rate = alps_bsru6_set_symbol_rate,
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index d200ab0ad9e..2d519982ead 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -1335,7 +1335,6 @@ static struct stv0299_config alps_stv0299_config = {
 	.inittab = alps_bsru6_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
-	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,