V4L/DVB (3932): Convert lnbp21 to a module

Convert lnbp21.h into a linux kernel module.
Fix up previous users to use it.
Convert dvb-ttusb-budget to use it.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

2 files changed, 3 insertions, 26 deletions

diff --git a/drivers/media/dvb/ttusb-budget/Kconfig b/drivers/media/dvb/ttusb-budget/Kconfig
index 914587d52b57..d1004e863290 100644
--- a/drivers/media/dvb/ttusb-budget/Kconfig
+++ b/drivers/media/dvb/ttusb-budget/Kconfig
@@ -6,6 +6,7 @@ config DVB_TTUSB_BUDGET
         select DVB_VES1820
         select DVB_TDA8083
         select DVB_STV0299
+        select DVB_LNBP21
         help
           Support for external USB adapters designed by Technotrend and
           produced by Hauppauge, shipped under the brand name 'Nova-USB'.
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index cd19ba628101..71581303b0ea 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -30,6 +30,7 @@
 #include "tda1004x.h"
 #include "stv0299.h"
 #include "tda8083.h"
+#include "lnbp21.h"
 
 #include <linux/dvb/frontend.h>
 #include <linux/dvb/dmx.h>
@@ -486,31 +487,6 @@ static int ttusb_send_diseqc(struct dvb_frontend* fe,
 }
 #endif
 
-static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
-{
-        struct  ttusb* ttusb = (struct ttusb*)  fe->dvb->priv;
-        int ret;
-        u8 data[1];
-        struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = data, .len = sizeof(data) };
-
-        switch(voltage) {
-        case SEC_VOLTAGE_OFF:
-                data[0] = 0x00;
-                break;
-        case SEC_VOLTAGE_13:
-                data[0] = 0x44;
-                break;
-        case SEC_VOLTAGE_18:
-                data[0] = 0x4c;
-                break;
-        default:
-                return -EINVAL;
-        };
-
-        ret = i2c_transfer(&ttusb->i2c_adap, &msg, 1);
-        return (ret != 1) ? -EIO : 0;
-}
-
 static int ttusb_update_lnb(struct ttusb *ttusb)
 {
         u8 b[] = { 0xaa, ++ttusb->c, 0x16, 5, /*power: */ 1,
@@ -1415,7 +1391,7 @@ static void frontend_init(struct ttusb* ttusb)
 
                         if(ttusb->revision == TTUSB_REV_2_2) { // ALPS BSBE1
                                 alps_stv0299_config.inittab = alps_bsbe1_inittab;
-                                ttusb->fe->ops->set_voltage = lnbp21_set_voltage;
+                                lnbp21_attach(ttusb->fe, &ttusb->i2c_adap, 0, 0);
                         } else { // ALPS BSRU6
                                 ttusb->fe->ops->set_voltage = ttusb_set_voltage;
                         }