V4L/DVB (4383): Convert SEC drivers to new frontend API

Convert SEC drivers to new frontend API

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

4 files changed, 22 insertions, 38 deletions

diff --git a/drivers/media/dvb/frontends/isl6421.c b/drivers/media/dvb/frontends/isl6421.c
index 58c34db3107..0fc18f5a716 100644
--- a/drivers/media/dvb/frontends/isl6421.c
+++ b/drivers/media/dvb/frontends/isl6421.c
@@ -42,12 +42,11 @@ struct isl6421 {
 	u8			override_and;
 	struct i2c_adapter	*i2c;
 	u8			i2c_addr;
-	void			(*release_chain)(struct dvb_frontend* fe);
 };
 
 static int isl6421_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 {
-	struct isl6421 *isl6421 = (struct isl6421 *) fe->misc_priv;
+	struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv;
 	struct i2c_msg msg = {	.addr = isl6421->i2c_addr, .flags = 0,
 				.buf = &isl6421->config,
 				.len = sizeof(isl6421->config) };
@@ -75,7 +74,7 @@ static int isl6421_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage
 
 static int isl6421_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
 {
-	struct isl6421 *isl6421 = (struct isl6421 *) fe->misc_priv;
+	struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv;
 	struct i2c_msg msg = {	.addr = isl6421->i2c_addr, .flags = 0,
 				.buf = &isl6421->config,
 				.len = sizeof(isl6421->config) };
@@ -93,31 +92,26 @@ static int isl6421_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
 
 static void isl6421_release(struct dvb_frontend *fe)
 {
-	struct isl6421 *isl6421 = (struct isl6421 *) fe->misc_priv;
-
 	/* power off */
 	isl6421_set_voltage(fe, SEC_VOLTAGE_OFF);
 
-	/* free data & call next release routine */
-	fe->ops.release = isl6421->release_chain;
-	kfree(fe->misc_priv);
-	fe->misc_priv = NULL;
-	if (fe->ops.release)
-		fe->ops.release(fe);
+	/* free */
+	kfree(fe->sec_priv);
+	fe->sec_priv = NULL;
 }
 
-int isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
+struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
 		   u8 override_set, u8 override_clear)
 {
 	struct isl6421 *isl6421 = kmalloc(sizeof(struct isl6421), GFP_KERNEL);
 	if (!isl6421)
-		return -ENOMEM;
+		return NULL;
 
 	/* default configuration */
 	isl6421->config = ISL6421_ISEL1;
 	isl6421->i2c = i2c;
 	isl6421->i2c_addr = i2c_addr;
-	fe->misc_priv = isl6421;
+	fe->sec_priv = isl6421;
 
 	/* bits which should be forced to '1' */
 	isl6421->override_or = override_set;
@@ -128,19 +122,17 @@ int isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr
 	/* detect if it is present or not */
 	if (isl6421_set_voltage(fe, SEC_VOLTAGE_OFF)) {
 		kfree(isl6421);
-		fe->misc_priv = NULL;
-		return -EIO;
+		return NULL;
 	}
 
 	/* install release callback */
-	isl6421->release_chain = fe->ops.release;
 	fe->ops.release = isl6421_release;
 
 	/* override frontend ops */
 	fe->ops.set_voltage = isl6421_set_voltage;
 	fe->ops.enable_high_lnb_voltage = isl6421_enable_high_lnb_voltage;
 
-	return 0;
+	return fe;
 }
 EXPORT_SYMBOL(isl6421_attach);
 
diff --git a/drivers/media/dvb/frontends/isl6421.h b/drivers/media/dvb/frontends/isl6421.h
index 675f80a19b9..b5deacfe6d2 100644
--- a/drivers/media/dvb/frontends/isl6421.h
+++ b/drivers/media/dvb/frontends/isl6421.h
@@ -40,7 +40,7 @@
 #define ISL6421_DCL	0x40
 
 /* override_set and override_clear control which system register bits (above) to always set & clear */
-extern int isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
+extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
 			  u8 override_set, u8 override_clear);
 
 #endif
diff --git a/drivers/media/dvb/frontends/lnbp21.c b/drivers/media/dvb/frontends/lnbp21.c
index e933edc8dd2..37bba32f29a 100644
--- a/drivers/media/dvb/frontends/lnbp21.c
+++ b/drivers/media/dvb/frontends/lnbp21.c
@@ -40,12 +40,11 @@ struct lnbp21 {
 	u8			override_or;
 	u8			override_and;
 	struct i2c_adapter	*i2c;
-	void			(*release_chain)(struct dvb_frontend* fe);
 };
 
 static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 {
-	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv;
 	struct i2c_msg msg = {	.addr = 0x08, .flags = 0,
 				.buf = &lnbp21->config,
 				.len = sizeof(lnbp21->config) };
@@ -73,7 +72,7 @@ static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 
 static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
 {
-	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv;
 	struct i2c_msg msg = {	.addr = 0x08, .flags = 0,
 				.buf = &lnbp21->config,
 				.len = sizeof(lnbp21->config) };
@@ -91,29 +90,24 @@ static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
 
 static void lnbp21_release(struct dvb_frontend *fe)
 {
-	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
-
 	/* LNBP power off */
 	lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
 
-	/* free data & call next release routine */
-	fe->ops.release = lnbp21->release_chain;
-	kfree(fe->misc_priv);
-	fe->misc_priv = NULL;
-	if (fe->ops.release)
-		fe->ops.release(fe);
+	/* free data */
+	kfree(fe->sec_priv);
+	fe->sec_priv = NULL;
 }
 
-int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
+struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
 {
 	struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
 	if (!lnbp21)
-		return -ENOMEM;
+		return NULL;
 
 	/* default configuration */
 	lnbp21->config = LNBP21_ISEL;
 	lnbp21->i2c = i2c;
-	fe->misc_priv = lnbp21;
+	fe->sec_priv = lnbp21;
 
 	/* bits which should be forced to '1' */
 	lnbp21->override_or = override_set;
@@ -124,19 +118,17 @@ int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_
 	/* detect if it is present or not */
 	if (lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF)) {
 		kfree(lnbp21);
-		fe->misc_priv = NULL;
-		return -EIO;
+		return NULL;
 	}
 
 	/* install release callback */
-	lnbp21->release_chain = fe->ops.release;
 	fe->ops.release = lnbp21_release;
 
 	/* override frontend ops */
 	fe->ops.set_voltage = lnbp21_set_voltage;
 	fe->ops.enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
 
-	return 0;
+	return fe;
 }
 EXPORT_SYMBOL(lnbp21_attach);
 
diff --git a/drivers/media/dvb/frontends/lnbp21.h b/drivers/media/dvb/frontends/lnbp21.h
index 047a4ab68c0..8c2df67d81e 100644
--- a/drivers/media/dvb/frontends/lnbp21.h
+++ b/drivers/media/dvb/frontends/lnbp21.h
@@ -40,6 +40,6 @@
 #include <linux/dvb/frontend.h>
 
 /* override_set and override_clear control which system register bits (above) to always set & clear */
-extern int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
+extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
 
 #endif