From 8c71d17e53e261338327fc6892cd0456c19deaa1 Mon Sep 17 00:00:00 2001
From: Gerd Knorr <devnull@localhost>
Date: Wed, 30 Jun 2004 14:13:20 +0000
Subject: - tda9887: radio afc support by Robert DeLuca.

---
 linux/drivers/media/video/tda9887.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'linux')

diff --git a/linux/drivers/media/video/tda9887.c b/linux/drivers/media/video/tda9887.c
index cc53fe001..7fbf7c8ff 100644
--- a/linux/drivers/media/video/tda9887.c
+++ b/linux/drivers/media/video/tda9887.c
@@ -662,6 +662,24 @@ tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
 		}
 		tda9887_configure(t);
 	}
+	case VIDIOC_G_TUNER:
+	{
+		static int AFC_BITS_2_kHz[] = {
+			-12500,  -37500,  -62500,  -97500,
+			-112500, -137500, -162500, -187500,
+			187500,  162500,  137500,  112500,
+			97500 ,  62500,   37500 ,  12500
+		};
+		struct v4l2_tuner* tuner = arg;
+
+		if (t->radio) {
+			__u8 reg = 0;
+			tuner->afc=0;
+			if (1 == i2c_master_recv(&t->client,&reg,1))
+				tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
+		}
+		break;
+	}
 	default:
 		/* nothing */
 		break;
-- 
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