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* hwmon: (jc42) Add support for AT30TS00, TS3000GB2, TSE2002GB2, and MCP9804Guenter Roeck2012-03-121-6/+14
| | | | | | | | | | | commit 1bd612a25855f4cc9345052b53d7da697dba6358 upstream. Also update IDT datasheet locations. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000Jean Delvare2012-03-121-0/+6
| | | | | | | | | | | | commit 4de86126a712ba83fa038d277c8282f7ed466a4b upstream. These are fully compatible with Jedec JC 42.4 as far as I can see. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hwmon: (jc42) do not allow writing to locked registersClemens Ladisch2011-02-161-4/+8
| | | | | | | | | | | | | On systems where the temperature sensor is actually used, the BIOS is likely to have locked the alarm registers. In that case, all writes through the corresponding sysfs files would be silently ignored. To prevent this, detect the locks and make the affected sysfs files read-only. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: stable@kernel.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: (jc42) more helpful documentationClemens Ladisch2011-02-161-2/+7
| | | | | | | | | | | | | The documentation lists standard numbers and chip names in excruciating detail, but that's all it does. To help mere mortals in deciding whether to enable this driver, mention what this sensor is for and in which systems it might be found. Also add a link to the actual JC 42.4 specification. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: stable@kernel.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
* hwmon: add support for JEDEC JC 42.4 compliant temperature sensorsGuenter Roeck2010-08-091-0/+97
[akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>