From: Martin Schlemmer <azarah@gentoo.org>
To: Greg KH <greg@kroah.com>
Cc: Andrey Borzenkov <arvidjaar@mail.ru>,
LKML <linux-kernel@vger.kernel.org>,
Sensors <sensors@stimpy.netroedge.com>
Subject: [PATCH 2.6] Fix conversion from milli volts in store_in_reg() for w83781d.c
Date: Wed, 03 Sep 2003 22:54:12 +0200 [thread overview]
Message-ID: <1062622452.5275.38.camel@nosferatu.lan> (raw)
In-Reply-To: <20030616184149.GC25585@kroah.com>
[-- Attachment #1.1: Type: text/plain, Size: 1048 bytes --]
Hi
I am not sure if it was a later patch from me that fixed in_* to display
milli volts in sysfs, or if it was a patch from Jan Dittmer, but the
conversion in the store_in_*() functions is wrong, and cause something
like:
----------------------------
nosferatu patch # cat /sys/bus/i2c/devices/1-0290/in_max2
3632
nosferatu patch # echo '3700' > /sys/bus/i2c/devices/1-0290/in_max2
nosferatu patch # cat /sys/bus/i2c/devices/1-0290/in_max2
400
nosferatu patch # echo '3640' > /sys/bus/i2c/devices/1-0290/in_max2
nosferatu patch # cat /sys/bus/i2c/devices/1-0290/in_max2
400
nosferatu patch # echo '3632' > /sys/bus/i2c/devices/1-0290/in_max2
nosferatu patch # cat /sys/bus/i2c/devices/1-0290/in_max2
400
nosferatu patch #
-----------------------------
I think Andrey also noticed this (if I did not smoke too much Weedbix
this morning ;) - if so, please verify that this fixes it ... it does
here at least.
Anyhow, patch is attached and should apply to 2.6.0-test4-bk5.
Regards,
--
Martin Schlemmer
[-- Attachment #1.2: w83781d-fixup-in_store.patch --]
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--- 1/drivers/i2c/chips/w83781d.c 2003-09-03 22:42:02.199165296 +0200
+++ 2/drivers/i2c/chips/w83781d.c 2003-09-03 22:35:02.378987664 +0200
@@ -378,8 +378,8 @@ static ssize_t store_in_##reg (struct de
struct w83781d_data *data = i2c_get_clientdata(client); \
u32 val; \
\
- val = simple_strtoul(buf, NULL, 10); \
- data->in_##reg[nr] = (IN_TO_REG(val) / 10); \
+ val = simple_strtoul(buf, NULL, 10) / 10; \
+ data->in_##reg[nr] = IN_TO_REG(val); \
w83781d_write_value(client, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
\
return count; \
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next prev parent reply other threads:[~2003-09-03 20:54 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-24 18:37 [OOPS] w83781d during rmmod (2.5.69-bk17) Mark M. Hoffman
[not found] ` <3ED8067E.1050503@paradyne.com>
2003-06-01 14:38 ` [RFC PATCH] " Mark M. Hoffman
2003-06-02 17:20 ` Greg KH
2003-06-03 5:22 ` Martin Schlemmer
2003-06-03 19:43 ` Philip Pokorny
2003-06-04 5:57 ` Martin Schlemmer
2003-06-05 2:39 ` Mark M. Hoffman
2003-06-05 19:47 ` Greg KH
2003-06-09 5:34 ` Martin Schlemmer
2003-06-10 5:38 ` Martin Schlemmer
2003-06-10 5:41 ` OOPS w83781d during rmmod (2.5.70-bk1[1234]) Mark M. Hoffman
2003-06-10 5:51 ` Martin Schlemmer
2003-06-11 5:44 ` Martin Schlemmer
2003-06-12 6:57 ` [RFC][2.5] list_for_each_safe not so safe (was Re: OOPS w83781d during rmmod (2.5.70-bk1[1234])) Martin Schlemmer
2003-06-13 2:36 ` Mark M. Hoffman
2003-06-13 6:08 ` Martin Schlemmer
2003-06-14 6:26 ` Martin Schlemmer
2003-06-16 18:41 ` Greg KH
2003-09-03 20:54 ` Martin Schlemmer [this message]
2003-09-04 18:40 ` [PATCH 2.6] Fix conversion from milli volts in store_in_reg() for w83781d.c Greg KH
2003-09-07 15:41 ` Andrey Borzenkov
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