V4L/DVB (7435): tda18271: add function tda18271_charge_pump_source

Force the main pll charge pump or cal pll charge pump to source current
to the main pll loop filter or cal pll loop filter, respectively.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 6 insertions, 12 deletions

diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c
index b3b0425dbbe..46905a773e4 100644
--- a/drivers/media/dvb/frontends/tda18271-fe.c
+++ b/drivers/media/dvb/frontends/tda18271-fe.c
@@ -119,14 +119,12 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
         tda18271_write_regs(fe, R_TM, 7);
 
         /* main pll charge pump source */
-        regs[R_EB4] |= 0x20;
-        tda18271_write_regs(fe, R_EB4, 1);
+        tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
 
         msleep(1);
 
         /* normal operation for the main pll */
-        regs[R_EB4] &= ~0x20;
-        tda18271_write_regs(fe, R_EB4, 1);
+        tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
 
         msleep(20);
 
@@ -285,12 +283,10 @@ static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)
         tda18271_write_regs(fe, R_EB13, 1);
 
         /* main pll charge pump source */
-        regs[R_EB4]  |= 0x20;
-        tda18271_write_regs(fe, R_EB4, 1);
+        tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
 
         /* cal pll charge pump source */
-        regs[R_EB7]  |= 0x20;
-        tda18271_write_regs(fe, R_EB7, 1);
+        tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1);
 
         /* force dcdc converter to 0 V */
         regs[R_EB14] = 0x00;
@@ -328,12 +324,10 @@ static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)
         /* --------------------------------------------------------------- */
 
         /* normal operation for the main pll */
-        regs[R_EB4] &= ~0x20;
-        tda18271_write_regs(fe, R_EB4, 1);
+        tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
 
         /* normal operation for the cal pll  */
-        regs[R_EB7] &= ~0x20;
-        tda18271_write_regs(fe, R_EB7, 1);
+        tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0);
 
         msleep(10); /* plls locking */