Commit 207777dc authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Jonathan Cameron
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iio: adc: at91-sama5d2_adc: get rid of 5 degrees Celsius adjustment 



On SAMA7G5 final chip version there is no need for 5 degrees Celsius
adjustment when computing junction temperature, thus, remove it.

Fixes: 5ab38b81 ("iio: adc: at91-sama5d2_adc: add support for temperature sensor")
Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20221020102705.3639204-1-claudiu.beznea@microchip.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent efa17e90

drivers/iio/adc/at91-sama5d2_adc.c

+2 −4
Original line number Diff line number Diff line
@@ -2307,11 +2307,9 @@ static int at91_adc_temp_sensor_init(struct at91_adc_state *st, 
	clb->p6 = buf[AT91_ADC_TS_CLB_IDX_P6];



	/*

	 * We prepare here the conversion to milli and also add constant

	 * factor (5 degrees Celsius) to p1 here to avoid doing it on

	 * hotpath.

	 * We prepare here the conversion to milli to avoid doing it on hotpath.

	 */

	clb->p1 = clb->p1 * 1000 + 5000;

	clb->p1 = clb->p1 * 1000;



free_buf:

	kfree(buf);