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hwmon: (k10temp) Enable AMD3255 Proc to show negative temperature
commit e146503 upstream. Industrial processor i3255 supports temperatures -40 deg celcius to 105 deg Celcius. The current implementation of k10temp_read_temp rounds off any negative temperatures to '0'. To fix this, the following changes have been made. A flag 'disp_negative' is added to struct k10temp_data to support AMD i3255 processors. Flag 'disp_negative' is set if 3255 processor is found during k10temp_probe. Flag 'disp_negative' is used to determine whether to round off negative temperatures to '0' in k10temp_read_temp. Signed-off-by: Baskaran Kannan <Baski.Kannan@amd.com> Link: https://lore.kernel.org/r/20230727162159.1056136-1-Baski.Kannan@amd.com Fixes: aef17ca ("hwmon: (k10temp) Only apply temperature offset if result is positive") Cc: stable@vger.kernel.org [groeck: Fixed multi-line comment] Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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