[media] tda8290: change magic LNA config values to enum

Use enum instead of magic values for LNA config in tda8290.
Update tda827x, tda18271 and saa7134 to use the enum too.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

6 files changed, 43 insertions, 32 deletions

diff --git a/drivers/media/pci/saa7134/saa7134-cards.c b/drivers/media/pci/saa7134/saa7134-cards.c
index 67e06e178e98..d45e7f6ff332 100644
--- a/drivers/media/pci/saa7134/saa7134-cards.c
+++ b/drivers/media/pci/saa7134/saa7134-cards.c
@@ -2765,7 +2765,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 0 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200000,
                 .inputs = {{
@@ -3296,7 +3296,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 1 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_ON },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x000200000,
                 .inputs         = {{
@@ -3400,7 +3400,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 1 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_ON },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200100,
                 .inputs         = {{
@@ -3431,7 +3431,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 3 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_ON_BRIDGE },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .ts_type        = SAA7134_MPEG_TS_SERIAL,
                 .ts_force_val   = 1,
@@ -3464,7 +3464,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 3 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_ON_BRIDGE },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .ts_type        = SAA7134_MPEG_TS_SERIAL,
                 .gpiomask       = 0x0800100, /* GPIO 21 is an INPUT */
@@ -3688,7 +3688,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200000,
                 .inputs = {{
@@ -3741,7 +3741,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200000,
                 .inputs = {{
@@ -3759,7 +3759,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .gpiomask       = 1 << 21,
                 .mpeg           = SAA7134_MPEG_DVB,
                 .inputs         = {{
@@ -3892,7 +3892,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 0 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .inputs = {{
                         .name   = name_tv, /* FIXME: analog tv untested */
@@ -3908,7 +3908,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .gpiomask       = 0x020200000,
                 .inputs         = {{
                         .name = name_tv,
@@ -3942,7 +3942,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 0 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_OFF },
                 .gpiomask       = 0x020200000,
                 .inputs         = {{
                         .name = name_tv,
@@ -4742,7 +4742,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200000,
                 .inputs = {{
@@ -4828,7 +4828,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type   = UNSET,
                 .tuner_addr   = ADDR_UNSET,
                 .radio_addr   = ADDR_UNSET,
-                .tda829x_conf = { .lna_cfg = 0 },
+                .tda829x_conf = { .lna_cfg = TDA8290_LNA_OFF },
                 .mpeg         = SAA7134_MPEG_DVB,
                 .inputs       = {{
                         .name = name_tv,
@@ -4852,7 +4852,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200000,
                 .inputs = { {
@@ -5062,7 +5062,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .gpiomask       = 1 << 21,
                 .mpeg           = SAA7134_MPEG_DVB,
                 .inputs         = {{
@@ -5092,7 +5092,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 2 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_GP0_HIGH_OFF },
                 .gpiomask       = 1 << 21,
                 .mpeg           = SAA7134_MPEG_DVB,
                 .inputs         = {{
@@ -5181,7 +5181,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 0 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .gpiomask       = 0x0200000,
                 .inputs = { {
@@ -5411,7 +5411,7 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 0 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_OFF },
                 .mpeg           = SAA7134_MPEG_DVB,
                 .ts_type        = SAA7134_MPEG_TS_PARALLEL,
                 .inputs         = {{
@@ -5634,7 +5634,7 @@ struct saa7134_board saa7134_boards[] = {
                 .audio_clock    = 0x00187de7,
                 .tuner_type     = TUNER_PHILIPS_TDA8290,
                 .radio_type     = UNSET,
-                .tda829x_conf   = { .lna_cfg = 3 },
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_ON_BRIDGE },
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
                 .gpiomask       = 0x02050000,
@@ -5802,7 +5802,8 @@ struct saa7134_board saa7134_boards[] = {
                 .radio_type     = UNSET,
                 .tuner_addr     = ADDR_UNSET,
                 .radio_addr     = ADDR_UNSET,
-                .tda829x_conf   = { .lna_cfg = 0, .no_i2c_gate = 1,
+                .tda829x_conf   = { .lna_cfg = TDA8290_LNA_OFF,
+                                    .no_i2c_gate = 1,
                                     .tda18271_std_map = &aver_a706_std_map },
                 .gpiomask       = 1 << 11,
                 .mpeg           = SAA7134_MPEG_DVB,
diff --git a/drivers/media/tuners/tda18271-fe.c b/drivers/media/tuners/tda18271-fe.c
index e7786862dab2..4995b890c164 100644
--- a/drivers/media/tuners/tda18271-fe.c
+++ b/drivers/media/tuners/tda18271-fe.c
@@ -21,6 +21,7 @@
 #include <linux/delay.h>
 #include <linux/videodev2.h>
 #include "tda18271-priv.h"
+#include "tda8290.h"
 
 int tda18271_debug;
 module_param_named(debug, tda18271_debug, int, 0644);
@@ -867,12 +868,12 @@ static int tda18271_agc(struct dvb_frontend *fe)
         int ret = 0;
 
         switch (priv->config) {
-        case 0:
+        case TDA8290_LNA_OFF:
                 /* no external agc configuration required */
                 if (tda18271_debug & DBG_ADV)
                         tda_dbg("no agc configuration provided\n");
                 break;
-        case 3:
+        case TDA8290_LNA_ON_BRIDGE:
                 /* switch with GPIO of saa713x */
                 tda_dbg("invoking callback\n");
                 if (fe->callback)
@@ -881,8 +882,8 @@ static int tda18271_agc(struct dvb_frontend *fe)
                                            TDA18271_CALLBACK_CMD_AGC_ENABLE,
                                            priv->mode);
                 break;
-        case 1:
-        case 2:
+        case TDA8290_LNA_GP0_HIGH_ON:
+        case TDA8290_LNA_GP0_HIGH_OFF:
         default:
                 /* n/a - currently not supported */
                 tda_err("unsupported configuration: %d\n", priv->config);
diff --git a/drivers/media/tuners/tda827x.c b/drivers/media/tuners/tda827x.c
index a0d176267470..73453a255cdc 100644
--- a/drivers/media/tuners/tda827x.c
+++ b/drivers/media/tuners/tda827x.c
@@ -479,10 +479,10 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
                         dprintk("setting LNA to low gain\n");
         }
         switch (priv->cfg->config) {
-        case 0: /* no LNA */
+        case TDA8290_LNA_OFF: /* no LNA */
                 break;
-        case 1: /* switch is GPIO 0 of tda8290 */
-        case 2:
+        case TDA8290_LNA_GP0_HIGH_ON: /* switch is GPIO 0 of tda8290 */
+        case TDA8290_LNA_GP0_HIGH_OFF:
                 if (params == NULL) {
                         gp_func = 0;
                         arg  = 0;
@@ -499,11 +499,11 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
                                      DVB_FRONTEND_COMPONENT_TUNER,
                                      gp_func, arg);
                 buf[1] = high ? 0 : 1;
-                if (priv->cfg->config == 2)
+                if (priv->cfg->config == TDA8290_LNA_GP0_HIGH_OFF)
                         buf[1] = high ? 1 : 0;
                 tuner_transfer(fe, &msg, 1);
                 break;
-        case 3: /* switch with GPIO of saa713x */
+        case TDA8290_LNA_ON_BRIDGE: /* switch with GPIO of saa713x */
                 if (fe->callback)
                         fe->callback(priv->i2c_adap->algo_data,
                                      DVB_FRONTEND_COMPONENT_TUNER, 0, high);
diff --git a/drivers/media/tuners/tda827x.h b/drivers/media/tuners/tda827x.h
index 9432b5b6121b..b64292152baf 100644
--- a/drivers/media/tuners/tda827x.h
+++ b/drivers/media/tuners/tda827x.h
@@ -26,6 +26,7 @@
 
 #include <linux/i2c.h>
 #include "dvb_frontend.h"
+#include "tda8290.h"
 
 struct tda827x_config
 {
@@ -34,7 +35,7 @@ struct tda827x_config
         int (*sleep) (struct dvb_frontend *fe);
 
         /* interface to tda829x driver */
-        unsigned int config;
+        enum tda8290_lna config;
         int          switch_addr;
 
         void (*agcf)(struct dvb_frontend *fe);
diff --git a/drivers/media/tuners/tda8290.c b/drivers/media/tuners/tda8290.c
index c1ade88d1fa8..20cc7dad6b4e 100644
--- a/drivers/media/tuners/tda8290.c
+++ b/drivers/media/tuners/tda8290.c
@@ -496,7 +496,8 @@ static void tda8290_init_if(struct dvb_frontend *fe)
         unsigned char set_GP00_CF[] = { 0x20, 0x01 };
         unsigned char set_GP01_CF[] = { 0x20, 0x0B };
 
-        if ((priv->cfg.config == 1) || (priv->cfg.config == 2))
+        if ((priv->cfg.config == TDA8290_LNA_GP0_HIGH_ON) ||
+            (priv->cfg.config == TDA8290_LNA_GP0_HIGH_OFF))
                 tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2);
         else
                 tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2);
diff --git a/drivers/media/tuners/tda8290.h b/drivers/media/tuners/tda8290.h
index 97f1d0f848ef..cf96e585785e 100644
--- a/drivers/media/tuners/tda8290.h
+++ b/drivers/media/tuners/tda8290.h
@@ -21,8 +21,15 @@
 #include "dvb_frontend.h"
 #include "tda18271.h"
 
+enum tda8290_lna {
+        TDA8290_LNA_OFF = 0,
+        TDA8290_LNA_GP0_HIGH_ON = 1,
+        TDA8290_LNA_GP0_HIGH_OFF = 2,
+        TDA8290_LNA_ON_BRIDGE = 3,
+};
+
 struct tda829x_config {
-        unsigned int lna_cfg;
+        enum tda8290_lna lna_cfg;
 
         unsigned int probe_tuner:1;
 #define TDA829X_PROBE_TUNER 0