[PATCH] dvb: Add support for Air2PC/AirStar 2 ATSC 3rd generation (HD5000)

[karo-tx-linux.git] / drivers / media / dvb / frontends / lgdt330x.c

diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index 7142b9c51dd2460e3b2c65ec91bddf08d877f8b0..10fc4e7878af2079a2def44c2e262181a2132c96 100644 (file)
--- 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;
 }