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authorAntti Palosaari <crope@iki.fi>2011-11-13 15:21:58 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-24 17:54:35 -0200
commit13d723ba98545c451bb40711e718087d28985b0f (patch)
tree7d6a5ebc7338581c1f10c7c58cc0a0a2e92cb03c /drivers/media/dvb/frontends/cxd2820r_t2.c
parentfda23faaff3b28a987c22da5f3a17b9f3d4acef8 (diff)
downloadtalos-op-linux-13d723ba98545c451bb40711e718087d28985b0f.tar.gz
talos-op-linux-13d723ba98545c451bb40711e718087d28985b0f.zip
[media] cxd2820r: check bandwidth earlier for DVB-T/T2
It is param that could be potentially unsupported and due to that it is good idea to check it very first. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/cxd2820r_t2.c')
-rw-r--r--drivers/media/dvb/frontends/cxd2820r_t2.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/media/dvb/frontends/cxd2820r_t2.c b/drivers/media/dvb/frontends/cxd2820r_t2.c
index 8635b075f62d..e21fc97291a8 100644
--- a/drivers/media/dvb/frontends/cxd2820r_t2.c
+++ b/drivers/media/dvb/frontends/cxd2820r_t2.c
@@ -26,7 +26,7 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret, i;
+ int ret, i, bw_i;
u32 if_freq, if_ctl;
u64 num;
u8 buf[3], bw_param;
@@ -71,6 +71,27 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
dbg("%s: RF=%d BW=%d", __func__, c->frequency, c->bandwidth_hz);
+ switch (c->bandwidth_hz) {
+ case 5000000:
+ bw_i = 0;
+ bw_param = 3;
+ break;
+ case 6000000:
+ bw_i = 1;
+ bw_param = 2;
+ break;
+ case 7000000:
+ bw_i = 2;
+ bw_param = 1;
+ break;
+ case 8000000:
+ bw_i = 3;
+ bw_param = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
/* update GPIOs */
ret = cxd2820r_gpio(fe);
if (ret)
@@ -91,27 +112,6 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
priv->delivery_system = SYS_DVBT2;
- switch (c->bandwidth_hz) {
- case 5000000:
- i = 0;
- bw_param = 3;
- break;
- case 6000000:
- i = 1;
- bw_param = 2;
- break;
- case 7000000:
- i = 2;
- bw_param = 1;
- break;
- case 8000000:
- i = 3;
- bw_param = 0;
- break;
- default:
- return -EINVAL;
- }
-
/* program IF frequency */
if (fe->ops.tuner_ops.get_if_frequency) {
ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_freq);
@@ -133,7 +133,7 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
if (ret)
goto error;
- ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[i], 5);
+ ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[bw_i], 5);
if (ret)
goto error;
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