adc: exynos-adc: Fix wrong bit operation used to stop the ADC

When stopping the ADC_V2_CON1_STC_EN should be cleared.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/drivers/adc/exynos-adc.c b/drivers/adc/exynos-adc.c
index d33e3d632afca06c68e109c259877c73b6a80e8b..12c49fc8cefbaa3f5e5bdf236e69ec220a3dd3cb 100644 (file)
--- 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);