From d36805da4eacb08a59f451c674d165542e67ae1a Mon Sep 17 00:00:00 2001
From: Michael Ossmann <mike@ossmann.com>
Date: Tue, 16 Dec 2025 21:14:48 -0500
Subject: [PATCH] Activate Praline FPGA and RF supplies selectively

Do not turn them on if running from RAM
---
 firmware/hackrf_usb/hackrf_usb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/firmware/hackrf_usb/hackrf_usb.c b/firmware/hackrf_usb/hackrf_usb.c
index b1a9012f..4cd4b031 100644
--- a/firmware/hackrf_usb/hackrf_usb.c
+++ b/firmware/hackrf_usb/hackrf_usb.c
@@ -269,14 +269,17 @@ int main(void)
 	enable_1v8_power();
 #else
 	enable_3v3aux_power();
+	#if !defined(DFU_MODE) && !defined(RAM_MODE)
 	enable_1v2_power();
+	enable_rf_power();
+	#endif
 #endif
 #ifdef HACKRF_ONE
 	// Set up mixer before enabling RF power, because its
 	// GPO is used to control the antenna bias tee.
 	mixer_setup(&mixer);
 #endif
-#if (defined HACKRF_ONE || defined RAD1O || defined PRALINE)
+#if (defined HACKRF_ONE || defined RAD1O)
 	enable_rf_power();
 #endif
 	cpu_clock_init();