altos: Allow STM DMA channels to be reserved for one use

[fw/altos] / src / stm / ao_adc_stm.c

diff --git a/src/stm/ao_adc_stm.c b/src/stm/ao_adc_stm.c
index d758e629bac7461eae6ed52097f19e6d78afb620..729551c4b036673512976e451bc6b2b980896098 100644 (file)
--- a/src/stm/ao_adc_stm.c
+++ b/src/stm/ao_adc_stm.c
@@ -221,5 +221,7 @@ ao_adc_init(void)
        /* Clear any stale status bits */
        stm_adc.sr = 0;
        ao_adc_ready = 1;
+
+       ao_dma_alloc(STM_DMA_INDEX(STM_DMA_CHANNEL_ADC1));
        ao_cmd_register(&ao_adc_cmds[0]);
 }