iio: adc: at91-sama5d2_adc: fix AT91_SAMA5D2_MR_TRACKTIM_MAX

All ADC HW versions handled by this driver (SAMA5D2, SAM9X60, SAMA7G5)
have MR.TRACKTIM on 4 bits. Fix AT91_SAMA5D2_MR_TRACKTIM_MAX to reflect
this.

Fixes: 27e177190891 ("iio:adc:at91_adc8xx: introduce new atmel adc driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-2-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 279430c1d88c3c69223145d5fbd49b61483eb6c8..ac9ef89fba17835fc8d5ec4aedf36135e9af4849 100644 (file)
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -77,7 +77,7 @@ struct at91_adc_reg_layout {
 #define        AT91_SAMA5D2_MR_ANACH           BIT(23)
 /* Tracking Time */
 #define        AT91_SAMA5D2_MR_TRACKTIM(v)     ((v) << 24)
-#define        AT91_SAMA5D2_MR_TRACKTIM_MAX    0xff
+#define        AT91_SAMA5D2_MR_TRACKTIM_MAX    0xf
 /* Transfer Time */
 #define        AT91_SAMA5D2_MR_TRANSFER(v)     ((v) << 28)
 #define        AT91_SAMA5D2_MR_TRANSFER_MAX    0x3