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path: root/drivers/media/dvb/frontends/lgdt330x.c
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Diffstat (limited to 'drivers/media/dvb/frontends/lgdt330x.c')
-rw-r--r--drivers/media/dvb/frontends/lgdt330x.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index 7142b9c51dd2..6a33f5a19a8d 100644
--- a/drivers/media/dvb/frontends/lgdt330x.c
+++ b/drivers/media/dvb/frontends/lgdt330x.c
@@ -26,6 +26,8 @@
* DViCO FusionHDTV 3 Gold-Q
* DViCO FusionHDTV 3 Gold-T
* DViCO FusionHDTV 5 Gold
+ * DViCO FusionHDTV 5 Lite
+ * Air2PC/AirStar 2 ATSC 3rd generation (HD5000)
*
* TODO:
* signal strength always returns 0.
@@ -37,6 +39,8 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/slab.h>
#include <asm/byteorder.h>
#include "dvb_frontend.h"
@@ -220,6 +224,11 @@ static int lgdt330x_init(struct dvb_frontend* fe)
0x4c, 0x14
};
+ static u8 flip_lgdt3303_init_data[] = {
+ 0x4c, 0x14,
+ 0x87, 0xf3
+ };
+
struct lgdt330x_state* state = fe->demodulator_priv;
char *chip_name;
int err;
@@ -232,8 +241,13 @@ static int lgdt330x_init(struct dvb_frontend* fe)
break;
case LGDT3303:
chip_name = "LGDT3303";
- err = i2c_write_demod_bytes(state, lgdt3303_init_data,
- sizeof(lgdt3303_init_data));
+ if (state->config->clock_polarity_flip) {
+ err = i2c_write_demod_bytes(state, flip_lgdt3303_init_data,
+ sizeof(flip_lgdt3303_init_data));
+ } else {
+ err = i2c_write_demod_bytes(state, lgdt3303_init_data,
+ sizeof(lgdt3303_init_data));
+ }
break;
default:
chip_name = "undefined";
@@ -729,8 +743,7 @@ struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
return &state->frontend;
error:
- if (state)
- kfree(state);
+ kfree(state);
dprintk("%s: ERROR\n",__FUNCTION__);
return NULL;
}
@@ -742,9 +755,8 @@ static struct dvb_frontend_ops lgdt3302_ops = {
.frequency_min= 54000000,
.frequency_max= 858000000,
.frequency_stepsize= 62500,
- /* Symbol rate is for all VSB modes need to check QAM */
- .symbol_rate_min = 10762000,
- .symbol_rate_max = 10762000,
+ .symbol_rate_min = 5056941, /* QAM 64 */
+ .symbol_rate_max = 10762000, /* VSB 8 */
.caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
},
.init = lgdt330x_init,
@@ -766,9 +778,8 @@ static struct dvb_frontend_ops lgdt3303_ops = {
.frequency_min= 54000000,
.frequency_max= 858000000,
.frequency_stepsize= 62500,
- /* Symbol rate is for all VSB modes need to check QAM */
- .symbol_rate_min = 10762000,
- .symbol_rate_max = 10762000,
+ .symbol_rate_min = 5056941, /* QAM 64 */
+ .symbol_rate_max = 10762000, /* VSB 8 */
.caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
},
.init = lgdt330x_init,