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authorAndrew de Quincey <adq_dvb@lidskialf.net>2006-08-08 08:10:08 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-09-26 10:53:23 -0400
commit13fef9335f4fe2a73e1733f8807e69711736faef (patch)
tree499ccb23b708e265517388cfce80d4b25a2e315d /drivers/media/dvb/frontends/lnbp21.c
parent94cbae5a1a1537ef5a402199f597e84dc5dd92cb (diff)
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>
Diffstat (limited to 'drivers/media/dvb/frontends/lnbp21.c')
-rw-r--r--drivers/media/dvb/frontends/lnbp21.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/media/dvb/frontends/lnbp21.c b/drivers/media/dvb/frontends/lnbp21.c
index e933edc8dd29..37bba32f29a5 100644
--- a/drivers/media/dvb/frontends/lnbp21.c
+++ b/drivers/media/dvb/frontends/lnbp21.c
@@ -40,12 +40,11 @@ struct lnbp21 {
40 u8 override_or; 40 u8 override_or;
41 u8 override_and; 41 u8 override_and;
42 struct i2c_adapter *i2c; 42 struct i2c_adapter *i2c;
43 void (*release_chain)(struct dvb_frontend* fe);
44}; 43};
45 44
46static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) 45static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
47{ 46{
48 struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv; 47 struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv;
49 struct i2c_msg msg = { .addr = 0x08, .flags = 0, 48 struct i2c_msg msg = { .addr = 0x08, .flags = 0,
50 .buf = &lnbp21->config, 49 .buf = &lnbp21->config,
51 .len = sizeof(lnbp21->config) }; 50 .len = sizeof(lnbp21->config) };
@@ -73,7 +72,7 @@ static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
73 72
74static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) 73static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
75{ 74{
76 struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv; 75 struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv;
77 struct i2c_msg msg = { .addr = 0x08, .flags = 0, 76 struct i2c_msg msg = { .addr = 0x08, .flags = 0,
78 .buf = &lnbp21->config, 77 .buf = &lnbp21->config,
79 .len = sizeof(lnbp21->config) }; 78 .len = sizeof(lnbp21->config) };
@@ -91,29 +90,24 @@ static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
91 90
92static void lnbp21_release(struct dvb_frontend *fe) 91static void lnbp21_release(struct dvb_frontend *fe)
93{ 92{
94 struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
95
96 /* LNBP power off */ 93 /* LNBP power off */
97 lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF); 94 lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
98 95
99 /* free data & call next release routine */ 96 /* free data */
100 fe->ops.release = lnbp21->release_chain; 97 kfree(fe->sec_priv);
101 kfree(fe->misc_priv); 98 fe->sec_priv = NULL;
102 fe->misc_priv = NULL;
103 if (fe->ops.release)
104 fe->ops.release(fe);
105} 99}
106 100
107int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear) 101struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
108{ 102{
109 struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL); 103 struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
110 if (!lnbp21) 104 if (!lnbp21)
111 return -ENOMEM; 105 return NULL;
112 106
113 /* default configuration */ 107 /* default configuration */
114 lnbp21->config = LNBP21_ISEL; 108 lnbp21->config = LNBP21_ISEL;
115 lnbp21->i2c = i2c; 109 lnbp21->i2c = i2c;
116 fe->misc_priv = lnbp21; 110 fe->sec_priv = lnbp21;
117 111
118 /* bits which should be forced to '1' */ 112 /* bits which should be forced to '1' */
119 lnbp21->override_or = override_set; 113 lnbp21->override_or = override_set;
@@ -124,19 +118,17 @@ int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_
124 /* detect if it is present or not */ 118 /* detect if it is present or not */
125 if (lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF)) { 119 if (lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF)) {
126 kfree(lnbp21); 120 kfree(lnbp21);
127 fe->misc_priv = NULL; 121 return NULL;
128 return -EIO;
129 } 122 }
130 123
131 /* install release callback */ 124 /* install release callback */
132 lnbp21->release_chain = fe->ops.release;
133 fe->ops.release = lnbp21_release; 125 fe->ops.release = lnbp21_release;
134 126
135 /* override frontend ops */ 127 /* override frontend ops */
136 fe->ops.set_voltage = lnbp21_set_voltage; 128 fe->ops.set_voltage = lnbp21_set_voltage;
137 fe->ops.enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage; 129 fe->ops.enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
138 130
139 return 0; 131 return fe;
140} 132}
141EXPORT_SYMBOL(lnbp21_attach); 133EXPORT_SYMBOL(lnbp21_attach);
142 134