From: Guenter Roeck <linux@roeck-us.net>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] info about driver for chip EMC1402
Date: Wed, 28 May 2014 13:35:00 +0000 [thread overview]
Message-ID: <5385E604.4050404@roeck-us.net> (raw)
In-Reply-To: <1401139433.59243.YahooMailNeo@web172006.mail.ir2.yahoo.com>
On 05/28/2014 02:24 AM, Kenny Lake wrote:
> Thanks Guenter, I think that my problem is related to this bug because I have observed the same behavior. Now I'm using 3.14.4-1-ARCH.
>
>
If you can, cherry-pick commit 9801284 (ACPI: Revert "ACPI / AC: convert ACPI ac driver
to platform bus") from the upstram kernel. That should help.
Guenter
> Il Mercoledì 28 Maggio 2014 0:26, Guenter Roeck <linux@roeck-us.net> ha scritto:
>
>
> On Tue, May 27, 2014 at 10:13:17PM +0100, Kenny Lake wrote:
> > Jean
> > I know that I have a EMC1402 chip because this is what the "sensors-detect" command report:
> > Driver `to-be-written':
> > * Bus `SMBus PIIX4 adapter at 0b00'
> > Busdriver `i2c_piix4', I2C address 0x4c
> > Chip `SMSC EMC1402' (confidence: 6)
> > Driver `adm1021':
> > * Bus `SMBus PIIX4 adapter at 0b00'
> > Busdriver `i2c_piix4', I2C address 0x4e
> > Chip `Maxim MAX1617' (confidence: 3)
> > Driver `k10temp' (autoloaded):
> > * Chip `AMD Family 11h thermal sensors' (confidence: 9)
> > Note: there is no driver for SMSC EMC1402 yet.
> >
> >
> > I searched around but I haven't found a specific vendor's driver for my laptop (HP 6735s) and ACPI has a strange behavior: rarelly, when I turn on my laptop, the fan works, but 90% it doesn't start except when temp is around 85 celsius. I have already tried all boot options (acpi=force, acpi=off, acpi=osi_Linux, acpi_enforce_resources=lax) but without succes.
> >
> What kernel version do you use ? acpi thermal code has a bug
> since 3.13 which causes that kind of behavior.
> See https://bugzilla.kernel.org/show_bug.cgi?id=71711.
> This was only fixed last week.
>
> The emc driver won't help you to get this fixed, unfortunately.
> It only reports the temperature ... but you already know that
> it is too high.
>
>
> Guenter
>
>
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next prev parent reply other threads:[~2014-05-28 13:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-26 21:23 [lm-sensors] info about driver for chip EMC1402 Kenny Lake
2014-05-27 0:15 ` Guenter Roeck
2014-05-27 6:35 ` Jean Delvare
2014-05-27 21:13 ` Kenny Lake
2014-05-27 22:26 ` Guenter Roeck
2014-05-28 13:35 ` Guenter Roeck [this message]
2014-05-29 11:18 ` Jean Delvare
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