V4L/DVB (8037): tda18271: ensure that the thermometer is off during channel configuration

Having the thermometer on during channel configuration
could cause tuning instability.

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

diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 1ebf95d..93063c6 100644 (file)
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -103,6 +103,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
        /* disable Power Level Indicator */
        regs[R_EP1]  |= 0x40;
 
+       /* make sure thermometer is off */
+       regs[R_TM]   &= ~0x10;
+
        /* frequency dependent parameters */
 
        tda18271_calc_ir_measure(fe, &freq);