Merge pull request zephyrproject-rtos#11 from dcpleung/sof/fix-audio

Fix audio distortions

Author: jhedberg

modules/Kconfig.sof

@@ -85,4 +85,10 @@ config SOF_STATIC_PIPELINE
 	help
 	  Enable static pipeline
 
+config SOF_USE_DMIC
+	bool "Enable DMIC"
+	default n
+	help
+	  Enable DMIC
+
 endif #SOF

samples/audio/sof/prj.conf

@@ -4,4 +4,4 @@ CONFIG_LOG_PRINTK=y
 CONFIG_LOG_IMMEDIATE=y
 CONFIG_SOF_LOG_LEVEL=4
 # SOF requires malloc/calloc
-CONFIG_HEAP_MEM_POOL_SIZE=196608
+CONFIG_HEAP_MEM_POOL_SIZE=65536

soc/xtensa/intel_apl_adsp/Kconfig.defconfig

@@ -37,11 +37,6 @@ config 2ND_LEVEL_INTERRUPTS
 config DYNAMIC_INTERRUPTS
 	default y
 
-# Work queues in SOF needs microsecond delays.
-# 100000 = 10us per tick
-config SYS_CLOCK_TICKS_PER_SEC
-	default 100000
-
 endif
 
 endif

subsys/audio/sof.c

@@ -17,6 +17,7 @@ LOG_MODULE_REGISTER(sof, CONFIG_SOF_LOG_LEVEL);
 #include <platform/dma.h>
 #include <platform/shim.h>
 #include <platform/timer.h>
+#include <sof/alloc.h>
 #include <sof/clk.h>
 #include <sof/interrupt.h>
 #include <sof/mailbox.h>
@@ -290,6 +291,8 @@ static int sof_init(struct device *unused)
 {
 	int ret;
 
+	malloc_init();
+
 	platform_interrupt_init();
 
 	/* prepare host windows */