signal reader: explicitly enable and disable gpio interrupt

lib/signal_reader/signal_reader.c

@@ -228,6 +228,7 @@ void signal_reader_start(SignalReader* instance, SignalReaderCallback callback,
     /* We need the EXTI to be configured as interrupt generating line, but no ISR registered */
     furi_hal_gpio_init(
         instance->pin, GpioModeInterruptRiseFall, instance->pull, GpioSpeedVeryHigh);
+    furi_hal_gpio_enable_int_callback(instance->pin);
 
     /* Set DMAMUX request generation signal ID on specified DMAMUX channel */
     LL_DMAMUX_SetRequestSignalID(
@@ -309,6 +310,8 @@ void signal_reader_stop(SignalReader* instance) {
 
     furi_hal_interrupt_set_isr(SIGNAL_READER_DMA_GPIO_IRQ, NULL, NULL);
 
+    furi_hal_gpio_disable_int_callback(instance->pin);
+
     // Deinit DMA Rx pin
     LL_DMA_DeInit(SIGNAL_READER_DMA_GPIO_DEF);
     // Deinit DMA Sync timer