From: Dmitri Belimov <d.belimov@gmail.com>
To: linux-media@vger.kernel.org, video4linux-list@redhat.com
Subject: [PATCH] FM1216ME_MK3 AUX byte for FM mode
Date: Thu, 23 Apr 2009 15:40:46 +1000 [thread overview]
Message-ID: <20090423154046.7b54f7cc@glory.loctelecom.ru> (raw)
[-- 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>
next reply other threads:[~2009-04-23 5:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-23 5:40 Dmitri Belimov [this message]
2011-09-18 12:44 ` [PATCH] FM1216ME_MK3 AUX byte for FM mode 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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