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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-12-23 17:56:57 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-31 08:36:38 -0200
commit5918288a422b8bbc0ebfd541d6cb9ed2c43b0b76 (patch)
treeb6a27663f7bb4946b17e6ec7064257f60aeae876 /drivers/media/dvb/frontends
parentb738ae160a9991d133671873f68c2ccffe524d12 (diff)
[media] tua6100: use DVBv5 parameters on set_params()
Instead of using DVBv3 parameters, rely on DVBv5 parameters to set the tuner Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r--drivers/media/dvb/frontends/tua6100.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/media/dvb/frontends/tua6100.c b/drivers/media/dvb/frontends/tua6100.c
index bcb95c2ef296..7842e620e6b3 100644
--- a/drivers/media/dvb/frontends/tua6100.c
+++ b/drivers/media/dvb/frontends/tua6100.c
@@ -70,6 +70,7 @@ static int tua6100_sleep(struct dvb_frontend *fe)
static int tua6100_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct tua6100_priv *priv = fe->tuner_priv;
u32 div;
u32 prediv;
@@ -85,36 +86,37 @@ static int tua6100_set_params(struct dvb_frontend *fe,
#define _ri 4000000
// setup register 0
- if (params->frequency < 2000000) {
+ if (c->frequency < 2000000)
reg0[1] = 0x03;
- } else {
+ else
reg0[1] = 0x07;
- }
// setup register 1
- if (params->frequency < 1630000) {
+ if (c->frequency < 1630000)
reg1[1] = 0x2c;
- } else {
+ else
reg1[1] = 0x0c;
- }
+
if (_P == 64)
reg1[1] |= 0x40;
- if (params->frequency >= 1525000)
+ if (c->frequency >= 1525000)
reg1[1] |= 0x80;
// register 2
reg2[1] = (_R >> 8) & 0x03;
reg2[2] = _R;
- if (params->frequency < 1455000) {
+ if (c->frequency < 1455000)
reg2[1] |= 0x1c;
- } else if (params->frequency < 1630000) {
+ else if (c->frequency < 1630000)
reg2[1] |= 0x0c;
- } else {
+ else
reg2[1] |= 0x1c;
- }
- // The N divisor ratio (note: params->frequency is in kHz, but we need it in Hz)
- prediv = (params->frequency * _R) / (_ri / 1000);
+ /*
+ * The N divisor ratio (note: c->frequency is in kHz, but we
+ * need it in Hz)
+ */
+ prediv = (c->frequency * _R) / (_ri / 1000);
div = prediv / _P;
reg1[1] |= (div >> 9) & 0x03;
reg1[2] = div >> 1;