[U-Boot] [PATCH v3 1/9] adc: exynos-adc: Fix wrong bit operation used to stop the ADC

Krzysztof Kozlowski krzk at kernel.org
Sat Feb 16 09:45:40 UTC 2019


When stopping the ADC_V2_CON1_STC_EN should be cleared.

Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>
Reviewed-by: Lukasz Majewski <lukma at denx.de>
---
 drivers/adc/exynos-adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/adc/exynos-adc.c b/drivers/adc/exynos-adc.c
index d33e3d632afc..12c49fc8cefb 100644
--- a/drivers/adc/exynos-adc.c
+++ b/drivers/adc/exynos-adc.c
@@ -62,7 +62,7 @@ int exynos_adc_stop(struct udevice *dev)
 
 	/* Stop conversion */
 	cfg = readl(&regs->con1);
-	cfg |= ~ADC_V2_CON1_STC_EN;
+	cfg &= ~ADC_V2_CON1_STC_EN;
 
 	writel(cfg, &regs->con1);
 
-- 
2.17.1



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