From: Matthias Schwarzott <zzam@gentoo.org>
To: linux-dvb@linuxtv.org
Subject: [linux-dvb] [patch 5/5] mt312: add attach-time setting to invert lnb-voltage
Date: Sat, 12 Apr 2008 17:04:50 +0200 [thread overview]
Message-ID: <20080412150451.505508402@gentoo.org> (raw)
In-Reply-To: 20080412150444.987445669@gentoo.org
[-- Attachment #1: 05_mt312-invertable-lnb-voltage.diff --]
[-- Type: text/plain, Size: 1533 bytes --]
Add a setting to config struct for inversion of lnb-voltage.
Needed for support of Avermedia A700 cards.
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Index: v4l-dvb/linux/drivers/media/dvb/frontends/mt312.c
===================================================================
--- v4l-dvb.orig/linux/drivers/media/dvb/frontends/mt312.c
+++ v4l-dvb/linux/drivers/media/dvb/frontends/mt312.c
@@ -422,11 +422,16 @@ static int mt312_set_voltage(struct dvb_
{
struct mt312_state *state = fe->demodulator_priv;
const u8 volt_tab[3] = { 0x00, 0x40, 0x00 };
+ u8 val;
if (v > SEC_VOLTAGE_OFF)
return -EINVAL;
- return mt312_writereg(state, DISEQC_MODE, volt_tab[v]);
+ val = volt_tab[v];
+ if (state->config->voltage_inverted)
+ val ^= 0x40;
+
+ return mt312_writereg(state, DISEQC_MODE, val);
}
static int mt312_read_status(struct dvb_frontend *fe, fe_status_t *s)
Index: v4l-dvb/linux/drivers/media/dvb/frontends/mt312.h
===================================================================
--- v4l-dvb.orig/linux/drivers/media/dvb/frontends/mt312.h
+++ v4l-dvb/linux/drivers/media/dvb/frontends/mt312.h
@@ -31,6 +31,9 @@
struct mt312_config {
/* the demodulator's i2c address */
u8 demod_address;
+
+ /* inverted voltage setting */
+ int voltage_inverted:1;
};
#if defined(CONFIG_DVB_MT312) || (defined(CONFIG_DVB_MT312_MODULE) && defined(MODULE))
--
_______________________________________________
linux-dvb mailing list
linux-dvb@linuxtv.org
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
next prev parent reply other threads:[~2008-04-12 15:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-12 15:04 [linux-dvb] [patch 0/5] mt312: Add support for zl10313 demod Matthias Schwarzott
2008-04-12 15:04 ` [linux-dvb] [patch 1/5] mt312: Cleanup buffer variables of read/write functions Matthias Schwarzott
2008-04-12 15:04 ` [linux-dvb] [patch 2/5] mt312: Fix diseqc Matthias Schwarzott
2008-04-12 15:04 ` [linux-dvb] [patch 3/5] mt312: Supports different xtal frequencies Matthias Schwarzott
2008-04-12 15:04 ` [linux-dvb] [patch 4/5] mt312: Add support for zl10313 demod Matthias Schwarzott
2008-04-12 15:04 ` Matthias Schwarzott [this message]
2008-04-12 15:37 ` [linux-dvb] [patch 0/5] " Matthias Schwarzott
2008-04-26 16:39 ` Jan Louw
[not found] ` <000a01c8a7b7$5cc2c060$0500000a@Core2Duo>
2008-04-27 3:51 ` Matthias Schwarzott
2008-04-27 8:57 ` Jan D. Louw
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080412150451.505508402@gentoo.org \
--to=zzam@gentoo.org \
--cc=linux-dvb@linuxtv.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox