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* [PATCH] FM1216ME_MK3 AUX byte for FM mode
@ 2009-04-23  5:40 Dmitri Belimov
  2011-09-18 12:44 ` Mauro Carvalho Chehab
  0 siblings, 1 reply; 5+ messages in thread
From: Dmitri Belimov @ 2009-04-23  5:40 UTC (permalink / raw)
  To: linux-media, video4linux-list

[-- Attachment #1: Type: text/plain, Size: 867 bytes --]

Hi All

Write AUX byte to FM1216ME_MK3 when FM mode, better sensitivity. It can be
usefull for other tuners.

diff -r 00a84f86671d linux/drivers/media/common/tuners/tuner-simple.c
--- a/linux/drivers/media/common/tuners/tuner-simple.c	Mon Apr 20 22:07:44 2009 +0000
+++ b/linux/drivers/media/common/tuners/tuner-simple.c	Thu Apr 23 10:26:54 2009 +1000
@@ -751,6 +751,17 @@
 	if (4 != rc)
 		tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
 
+	/* Write AUX byte */
+	switch (priv->type) {
+	case TUNER_PHILIPS_FM1216ME_MK3:
+		buffer[2] = 0x98;
+		buffer[3] = 0x20; /* set TOP AGC */
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+		if (4 != rc)
+			tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
+		break;
+	}
+
 	return 0;
 }
 
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>


With my best regards, Dmitry.

[-- Attachment #2: behold_mk3_fm.patch --]
[-- Type: text/x-patch, Size: 726 bytes --]

diff -r 00a84f86671d linux/drivers/media/common/tuners/tuner-simple.c
--- a/linux/drivers/media/common/tuners/tuner-simple.c	Mon Apr 20 22:07:44 2009 +0000
+++ b/linux/drivers/media/common/tuners/tuner-simple.c	Thu Apr 23 10:26:54 2009 +1000
@@ -751,6 +751,17 @@
 	if (4 != rc)
 		tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
 
+	/* Write AUX byte */
+	switch (priv->type) {
+	case TUNER_PHILIPS_FM1216ME_MK3:
+		buffer[2] = 0x98;
+		buffer[3] = 0x20; /* set TOP AGC */
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+		if (4 != rc)
+			tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
+		break;
+	}
+
 	return 0;
 }
 
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2011-10-27  5:54 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-04-23  5:40 [PATCH] FM1216ME_MK3 AUX byte for FM mode Dmitri Belimov
2011-09-18 12:44 ` Mauro Carvalho Chehab
2011-09-20  7:46   ` Dmitri Belimov
2011-09-28  4:43   ` Dmitri Belimov
2011-10-27  5:54   ` Dmitri Belimov

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