ClearQAM is currently not working. Add support for it too.
Unlikely other ATSC tuners, though, this device will not
auto-detect between ATSC and ClearQAM. So, the delivery
system should be properly set.
Also, this frontend seems to also support DVB-C annex A/C. Add
experimental support for them.
Signed-off-by: Mauro Carvalho Chehab <m.che...@samsung.com>
---
drivers/media/dvb-frontends/drx39xyj/drx39xxj.c | 29 +++++++++++++++++++++++--
1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/drivers/media/dvb-frontends/drx39xyj/drx39xxj.c
b/drivers/media/dvb-frontends/drx39xyj/drx39xxj.c
index f0f14ed95958..7a7a4a87fe25 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drx39xxj.c
+++ b/drivers/media/dvb-frontends/drx39xyj/drx39xxj.c
@@ -188,7 +188,8 @@ static int drx39xxj_set_frontend(struct dvb_frontend *fe)
struct drx_channel channel;
int result;
struct drxuio_data uio_data;
- struct drx_channel def_channel = { /* frequency */ 0,
+ static const struct drx_channel def_channel = {
+ /* frequency */ 0,
/* bandwidth */ DRX_BANDWIDTH_6MHZ,
/* mirror */ DRX_MIRROR_NO,
/* constellation */ DRX_CONSTELLATION_AUTO,
@@ -204,6 +205,7 @@ static int drx39xxj_set_frontend(struct dvb_frontend *fe)
/* carrier */ DRX_CARRIER_UNKNOWN,
/* frame mode */ DRX_FRAMEMODE_UNKNOWN
};
+ u32 constellation = DRX_CONSTELLATION_AUTO;
/* Bring the demod out of sleep */
drx39xxj_set_powerstate(fe, 1);
@@ -217,6 +219,29 @@ static int drx39xxj_set_frontend(struct dvb_frontend *fe)
fe->ops.i2c_gate_ctrl(fe, 0);
}
+ switch (p->delivery_system) {
+ case SYS_ATSC:
+ standard = DRX_STANDARD_8VSB;
+ break;
+ case SYS_DVBC_ANNEX_B:
+ standard = DRX_STANDARD_ITU_B;
+
+ switch (p->modulation) {
+ case QAM_64:
+ constellation = DRX_CONSTELLATION_QAM64;
+ break;
+ case QAM_256:
+ constellation = DRX_CONSTELLATION_QAM256;
+ break;
+ default:
+ constellation = DRX_CONSTELLATION_AUTO;
+ break;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
if (standard != state->current_standard || state->powered_up == 0) {
/* Set the standard (will be powered up if necessary */
result = drx_ctrl(demod, DRX_CTRL_SET_STANDARD, &standard);
@@ -233,7 +258,7 @@ static int drx39xxj_set_frontend(struct dvb_frontend *fe)
channel = def_channel;
channel.frequency = p->frequency / 1000;
channel.bandwidth = DRX_BANDWIDTH_6MHZ;
- channel.constellation = DRX_CONSTELLATION_AUTO;
+ channel.constellation = constellation;
/* program channel */
result = drx_ctrl(demod, DRX_CTRL_SET_CHANNEL, &channel);
--
1.8.5.3
--
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