V4L/DVB (3234): Included advanced debug option to tvp5150.c

- Included advanced debug option to tvp5150.c
- Now, advanced debug info is the first item at V4L menu.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

drivers/media/video/Kconfig

@@ -7,6 +7,15 @@ menu "Video For Linux"
 
 comment "Video Adapters"
 
+config VIDEO_ADV_DEBUG
+	bool "Enable advanced debug functionality"
+	depends on VIDEO_DEV
+	default n
+	---help---
+	  Say Y here to enable advanced debugging functionality on some
+	  V4L devices.
+	  In doubt, say N.
+
 config VIDEO_BT848
 	tristate "BT848 Video For Linux"
 	depends on VIDEO_DEV && PCI && I2C
@@ -344,11 +353,4 @@ config VIDEO_DECODER
 	  Say Y here to compile drivers for SAA7115, SAA7127 and CX25840
 	  video decoders.
 
-config VIDEO_ADV_DEBUG
-	bool "Enable advanced debug functionality"
-	depends on VIDEO_DEV && VIDEO_DECODER && EXPERIMENTAL
-	---help---
-	  Say Y here to enable advanced debugging functionality in the
-	  SAA7115, SAA7127 and CX25840 video decoders.
-
 endmenu

drivers/media/video/tvp5150.c

@@ -850,6 +850,30 @@ static int tvp5150_command(struct i2c_client *c,
 		*(v4l2_std_id *)arg = decoder->norm;
 		break;
 
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+	case VIDIOC_INT_G_REGISTER:
+	{
+		struct v4l2_register *reg = arg;
+
+		if (reg->i2c_id != I2C_DRIVERID_TVP5150)
+			return -EINVAL;
+		reg->val = tvp5150_read(c, reg->reg & 0xff);
+		break;
+	}
+
+	case VIDIOC_INT_S_REGISTER:
+	{
+		struct v4l2_register *reg = arg;
+
+		if (reg->i2c_id != I2C_DRIVERID_TVP5150)
+			return -EINVAL;
+		if (!capable(CAP_SYS_ADMIN))
+			return -EPERM;
+		tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
+		break;
+	}
+#endif
+
 	case DECODER_DUMP:
 		dump_reg(c);
 		break;

include/linux/i2c-id.h

@@ -103,6 +103,7 @@
 #define I2C_DRIVERID_SAA711X	73	/* saa711x video encoders	*/
 #define I2C_DRIVERID_AKITAIOEXP	74	/* IO Expander on Sharp SL-C1000 */
 #define I2C_DRIVERID_INFRARED	75	/* I2C InfraRed on Video boards */
+#define I2C_DRIVERID_TVP5150	76	/* TVP5150 video decoder        */
 
 #define I2C_DRIVERID_I2CDEV	900
 #define I2C_DRIVERID_ARP        902    /* SMBus ARP Client              */