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path: root/drivers/media/dvb/frontends/isl6421.c
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Diffstat (limited to 'drivers/media/dvb/frontends/isl6421.c')
-rw-r--r--drivers/media/dvb/frontends/isl6421.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/media/dvb/frontends/isl6421.c b/drivers/media/dvb/frontends/isl6421.c
index 58c34db3107..ef319369ec2 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;
+ fe->ops.release_sec = 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);