Signed-off-by: Miroslav Slugen <thunder.mmm@xxxxxxxxx>
From: Miroslav Slugen <thunder.mmm@xxxxxxxxx>
Date: Mon, 12 Dec 2011 00:19:34 +0100
Subject: [PATCH] Add registers names to XC2028 tuner from datahseet and use them.
---
diff -Naurp a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
--- a/drivers/media/common/tuners/tuner-xc2028.c 2012-01-05 00:55:44.000000000 +0100
+++ b/drivers/media/common/tuners/tuner-xc2028.c 2012-01-05 13:47:20.509910804 +0100
@@ -24,6 +24,21 @@
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
+/* Registers (Write-only) */
+#define XREG_INIT 0x00
+#define XREG_RF_FREQ 0x02
+#define XREG_POWER_DOWN 0x08
+
+/* Registers (Read-only) */
+#define XREG_FREQ_ERROR 0x01
+#define XREG_LOCK 0x02
+#define XREG_VERSION 0x04
+#define XREG_PRODUCT_ID 0x08
+#define XREG_HSYNC_FREQ 0x10
+#define XREG_FRAME_LINES 0x20
+#define XREG_SNR 0x40
+
+#define XREG_ADC_ENV 0x0100
static int debug;
module_param(debug, int, 0644);
@@ -885,7 +900,7 @@ static int xc2028_signal(struct dvb_fron
mutex_lock(&priv->lock);
/* Sync Lock Indicator */
- rc = xc2028_get_reg(priv, 0x0002, &frq_lock);
+ rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);
if (rc < 0)
goto ret;
@@ -894,7 +909,7 @@ static int xc2028_signal(struct dvb_fron
signal = 32768;
/* Get SNR of the video signal */
- rc = xc2028_get_reg(priv, 0x0040, &signal);
+ rc = xc2028_get_reg(priv, XREG_SNR, &signal);
if (rc < 0)
goto ret;
@@ -1013,9 +1028,9 @@ static int generic_set_freq(struct dvb_f
/* CMD= Set frequency */
if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00});
+ rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00});
else
- rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00});
+ rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00});
if (rc < 0)
goto ret;
@@ -1207,9 +1222,9 @@ static int xc2028_sleep(struct dvb_front
mutex_lock(&priv->lock);
if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00});
+ rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00});
else
- rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00});
+ rc = send_seq(priv, {0x80, XREG_POWER_DOWN, 0x00, 0x00});
priv->cur_fw.type = 0; /* need firmware reload */
--
1.7.2.3
