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-rw-r--r--src/stm/ao_timer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/stm/ao_timer.c b/src/stm/ao_timer.c
index 1576a6c9..7b526902 100644
--- a/src/stm/ao_timer.c
+++ b/src/stm/ao_timer.c
@@ -149,7 +149,7 @@ ao_clock_init(void)
#define STM_RCC_CFGR_PLLSRC_TARGET_CLOCK (0 << STM_RCC_CFGR_PLLSRC)
#endif
-#if !AO_HSE || HAS_ADC
+#if !AO_HSE || HAS_ADC || HAS_ADC_SINGLE
/* Enable HSI RC clock 16MHz */
stm_rcc.cr |= (1 << STM_RCC_CR_HSION);
while (!(stm_rcc.cr & (1 << STM_RCC_CR_HSIRDY)))