V4L/DVB (5542): Budget-av: Remove polarity switching of the clock for DVB-C

Remove the polarity switching of the clock for the DVB-C cards in
budget-av.c. This hack is no longer necessary because the saa7146 can
do the job to remove the additional FEC bytes from the TS.

Signed-off-by: Hartmut Birr <e9hack@googlemail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 0 insertions, 40 deletions

diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 3035b224c7a3..54ca3a3288e7 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -66,9 +66,6 @@ struct budget_av {
         int slot_status;
         struct dvb_ca_en50221 ca;
         u8 reinitialise_demod:1;
-        u8 tda10021_poclkp:1;
-        u8 tda10021_ts_enabled;
-        int (*tda10021_set_frontend)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
 };
 
 static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot);
@@ -234,12 +231,6 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
         if (budget_av->reinitialise_demod)
                 dvb_frontend_reinitialise(budget_av->budget.dvb_frontend);
 
-        /* set tda10021 back to original clock configuration on reset */
-        if (budget_av->tda10021_poclkp) {
-                tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
-                budget_av->tda10021_ts_enabled = 0;
-        }
-
         return 0;
 }
 
@@ -256,11 +247,6 @@ static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
         ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
         budget_av->slot_status = SLOTSTATUS_NONE;
 
-        /* set tda10021 back to original clock configuration when cam removed */
-        if (budget_av->tda10021_poclkp) {
-                tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
-                budget_av->tda10021_ts_enabled = 0;
-        }
         return 0;
 }
 
@@ -276,12 +262,6 @@ static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
 
         ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTA);
 
-        /* tda10021 seems to need a different TS clock config when data is routed to the CAM */
-        if (budget_av->tda10021_poclkp) {
-                tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa1);
-                budget_av->tda10021_ts_enabled = 1;
-        }
-
         return 0;
 }
 
@@ -927,23 +907,6 @@ static u8 read_pwm(struct budget_av *budget_av)
 #define SUBID_DVBT_KNC1         0x0030
 #define SUBID_DVBT_CINERGY1200  0x1157
 
-
-static int tda10021_set_frontend(struct dvb_frontend *fe,
-                                 struct dvb_frontend_parameters *p)
-{
-        struct budget_av* budget_av = fe->dvb->priv;
-        int result;
-
-        result = budget_av->tda10021_set_frontend(fe, p);
-        if (budget_av->tda10021_ts_enabled) {
-                tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa1);
-        } else {
-                tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
-        }
-
-        return result;
-}
-
 static void frontend_init(struct budget_av *budget_av)
 {
         struct saa7146_dev * saa = budget_av->budget.dev;
@@ -1025,9 +988,6 @@ static void frontend_init(struct budget_av *budget_av)
                                              &budget_av->budget.i2c_adap,
                                              read_pwm(budget_av));
                 if (fe) {
-                        budget_av->tda10021_poclkp = 1;
-                        budget_av->tda10021_set_frontend = fe->ops.set_frontend;
-                        fe->ops.set_frontend = tda10021_set_frontend;
                         fe->ops.tuner_ops.set_params = philips_cu1216_tuner_set_params;
                 }
                 break;