From 2d7432290fe2efd0efc4e11a31435c174665e3c2 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Date: Wed, 19 Jun 2024 12:25:41 +0200
Subject: [PATCH] drc: make modular on MTL and LNL

Export missing symbols for modular DRC builds and select it as a
module on MTL and LNL. DRC isn't built by default, so we cannot
use CONFIG_LIBRARY_DEFAULT_MODULAR for it.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
---
 app/boards/intel_adsp_ace15_mtpm.conf | 2 +-
 app/boards/intel_adsp_ace20_lnl.conf  | 2 +-
 src/math/exp_fcn.c                    | 3 +++
 src/math/exp_fcn_hifi.c               | 2 ++
 src/math/lut_trig.c                   | 2 ++
 5 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/app/boards/intel_adsp_ace15_mtpm.conf b/app/boards/intel_adsp_ace15_mtpm.conf
index 758fb5260781..33a38d60bb22 100644
--- a/app/boards/intel_adsp_ace15_mtpm.conf
+++ b/app/boards/intel_adsp_ace15_mtpm.conf
@@ -4,7 +4,7 @@ CONFIG_IPC4_BASE_FW_INTEL=y
 
 CONFIG_COMP_SRC_IPC4_FULL_MATRIX=y
 CONFIG_COMP_SRC_LITE=y
-CONFIG_COMP_DRC=y
+CONFIG_COMP_DRC=m
 CONFIG_COMP_CROSSOVER=y
 CONFIG_COMP_MULTIBAND_DRC=y
 
diff --git a/app/boards/intel_adsp_ace20_lnl.conf b/app/boards/intel_adsp_ace20_lnl.conf
index 446546401251..f7f219a5db68 100644
--- a/app/boards/intel_adsp_ace20_lnl.conf
+++ b/app/boards/intel_adsp_ace20_lnl.conf
@@ -3,7 +3,7 @@ CONFIG_IPC_MAJOR_4=y
 CONFIG_IPC4_BASE_FW_INTEL=y
 
 CONFIG_COMP_SRC_IPC4_FULL_MATRIX=y
-CONFIG_COMP_DRC=y
+CONFIG_COMP_DRC=m
 
 # power settings
 CONFIG_PM=y
diff --git a/src/math/exp_fcn.c b/src/math/exp_fcn.c
index 2bace8a430cc..6ada84202212 100644
--- a/src/math/exp_fcn.c
+++ b/src/math/exp_fcn.c
@@ -11,6 +11,7 @@
 #include <sof/math/numbers.h>
 #include <sof/common.h>
 #include <rtos/bit.h>
+#include <rtos/symbol.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stddef.h>
@@ -258,6 +259,7 @@ int32_t sofm_exp_fixed(int32_t x)
 
 	return y;
 }
+EXPORT_SYMBOL(sofm_exp_fixed);
 
 #endif /* EXPONENTIAL_GENERIC */
 
@@ -284,3 +286,4 @@ int32_t sofm_db2lin_fixed(int32_t db)
 	arg = (int32_t)Q_MULTSR_32X32((int64_t)db, SOFM_EXP_LOG10_DIV20_Q27, 24, 27, 27);
 	return sofm_exp_fixed(arg);
 }
+EXPORT_SYMBOL(sofm_db2lin_fixed);
diff --git a/src/math/exp_fcn_hifi.c b/src/math/exp_fcn_hifi.c
index f0a263b76873..10775133e8a4 100644
--- a/src/math/exp_fcn_hifi.c
+++ b/src/math/exp_fcn_hifi.c
@@ -8,6 +8,7 @@
 
 #include <sof/math/exp_fcn.h>
 #include <sof/common.h>
+#include <rtos/symbol.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -370,5 +371,6 @@ int32_t sofm_exp_fixed(int32_t x)
 
 	return y;
 }
+EXPORT_SYMBOL(sofm_exp_fixed);
 
 #endif
diff --git a/src/math/lut_trig.c b/src/math/lut_trig.c
index 5c88b957d413..a40729327932 100644
--- a/src/math/lut_trig.c
+++ b/src/math/lut_trig.c
@@ -6,6 +6,7 @@
 
 #include <sof/audio/format.h>
 #include <sof/math/lut_trig.h>
+#include <rtos/symbol.h>
 #include <stdint.h>
 
 #define SOFM_LUT_SINE_C_Q20	341782638	/* 2 * SINE_NQUART / pi in Q12.20 */
@@ -106,3 +107,4 @@ int16_t sofm_lut_sin_fixed_16b(int32_t w)
 	sine = s0 + q_mults_32x32(frac, delta, Q_SHIFT_BITS_64(31, 16, 16)); /* Q1.16 */
 	return sat_int16((sine + 1) >> 1); /* Round to Q1.15 */
 }
+EXPORT_SYMBOL(sofm_lut_sin_fixed_16b);