[PATCH 2/3] tea5761 tuner: fix registers utilization

Eduardo Valentin
2008-06-09T20:10:04Z

Fix registers utilization.
tnctrl register was supposed to be used but it was
right shifted. frqset also was being configured using
incorrect equation.

Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
---
drivers/media/common/tuners/tea5761.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/media/common/tuners/tea5761.c b/drivers/media/common/tuners/tea5761.c
index 8e86cb2..b3d4786 100644
--- a/drivers/media/common/tuners/tea5761.c
+++ b/drivers/media/common/tuners/tea5761.c
@@ -101,6 +101,8 @@ struct tea5761_priv {

/* All zero = no test mode */

+#define TEA5761_TESTREG_TRIGFR 0x08
+
/* MANID - Read: bytes 12 and 13 */

/* First byte - should be 0x10 */
@@ -147,20 +149,21 @@ static int set_radio_freq(struct dvb_frontend *fe,

if (params->mode == T_STANDBY) {
tuner_dbg("TEA5761 set to standby mode\n");
- buffer[5] |= TEA5761_TNCTRL_MU;
+ buffer[4] |= TEA5761_TNCTRL_MU;
} else {
- buffer[4] |= TEA5761_TNCTRL_PUPD_0;
+ buffer[3] |= TEA5761_TNCTRL_PUPD_0;
}

+ buffer[5] = TEA5761_TESTREG_TRIGFR;

if (params->audmode == V4L2_TUNER_MODE_MONO) {
tuner_dbg("TEA5761 set to mono\n");
- buffer[5] |= TEA5761_TNCTRL_MST;
+ buffer[4] |= TEA5761_TNCTRL_MST;
} else {
tuner_dbg("TEA5761 set to stereo\n");
}

- div = (1000 * (frq * 4 / 16 + 700 + 225) ) >> 15;
+ div = (frq * 125 / 2 - 225000) >> 13;
buffer[1] = (div >> 8) & 0x3f;
buffer[2] = div & 0xff;

--
1.5.6.rc0.84.g06f60.dirty