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>
diff --git a/drivers/media/dvb/frontends/lnbp21.c b/drivers/media/dvb/frontends/lnbp21.c
index e933edc..37bba32 100644
--- a/drivers/media/dvb/frontends/lnbp21.c
+++ b/drivers/media/dvb/frontends/lnbp21.c
@@ -40,12 +40,11 @@
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_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 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 @@
/* 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);