V4L/DVB (9413): Bug: Set Auxilliary Clock Register correctly

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index 80791006d168..fe298654b34b 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -1145,7 +1145,7 @@ static int stb0899_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
         struct stb0899_state *state = fe->demodulator_priv;
         struct stb0899_internal *internal = &state->internal;
 
-        u8 div;
+        u8 div, reg;
 
         /* wait for diseqc idle */
         if (stb0899_wait_diseqc_txidle(state, 100) < 0)
@@ -1156,7 +1156,9 @@ static int stb0899_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
                 div = (internal->master_clk / 100) / 5632;
                 div = (div + 5) / 10;
                 stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x66);
-                stb0899_write_reg(state, STB0899_ACRPRESC, 0x31);
+                reg = stb0899_read_reg(state, STB0899_ACRPRESC);
+                STB0899_SETFIELD_VAL(ACRPRESC, reg, 0x03);
+                stb0899_write_reg(state, STB0899_ACRPRESC, reg);
                 stb0899_write_reg(state, STB0899_ACRDIV1, div);
                 break;
         case SEC_TONE_OFF: