optimize SDK

Signed-off-by: Michel-FK <michel.stempin@funkey-project.com>

FunKey/board/funkey/busybox.config

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Busybox version: 1.31.1
-# Tue Nov 24 08:37:01 2020
+# Busybox version: 1.32.0
+# Thu Dec 24 11:17:18 2020
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -76,6 +76,7 @@ CONFIG_PREFIX="./_install"
 # CONFIG_DEBUG_SANITIZE is not set
 # CONFIG_UNIT_TEST is not set
 # CONFIG_WERROR is not set
+# CONFIG_WARN_SIMPLE_MSG is not set
 CONFIG_NO_DEBUG_LIB=y
 # CONFIG_DMALLOC is not set
 # CONFIG_EFENCE is not set
@@ -462,6 +463,7 @@ CONFIG_FEATURE_FIND_SIZE=y
 CONFIG_FEATURE_FIND_PRUNE=y
 CONFIG_FEATURE_FIND_QUIT=y
 # CONFIG_FEATURE_FIND_DELETE is not set
+CONFIG_FEATURE_FIND_EMPTY=y
 CONFIG_FEATURE_FIND_PATH=y
 CONFIG_FEATURE_FIND_REGEX=y
 # CONFIG_FEATURE_FIND_CONTEXT is not set
@@ -692,6 +694,7 @@ CONFIG_FEATURE_SETPRIV_CAPABILITY_NAMES=y
 CONFIG_SWITCH_ROOT=y
 # CONFIG_TASKSET is not set
 # CONFIG_FEATURE_TASKSET_FANCY is not set
+# CONFIG_FEATURE_TASKSET_CPULIST is not set
 CONFIG_UEVENT=y
 CONFIG_UMOUNT=y
 CONFIG_FEATURE_UMOUNT_ALL=y
@@ -805,6 +808,7 @@ CONFIG_MAKEDEVS=y
 CONFIG_FEATURE_MAKEDEVS_TABLE=y
 # CONFIG_MAN is not set
 CONFIG_MICROCOM=y
+CONFIG_MIM=y
 CONFIG_MT=y
 # CONFIG_NANDWRITE is not set
 # CONFIG_NANDDUMP is not set
@@ -1095,6 +1099,7 @@ CONFIG_SH_IS_ASH=y
 # CONFIG_BASH_IS_ASH is not set
 # CONFIG_BASH_IS_HUSH is not set
 CONFIG_BASH_IS_NONE=y
+CONFIG_SHELL_ASH=y
 CONFIG_ASH=y
 CONFIG_ASH_OPTIMIZE_FOR_SIZE=y
 CONFIG_ASH_INTERNAL_GLOB=y
@@ -1115,6 +1120,7 @@ CONFIG_ASH_GETOPTS=y
 CONFIG_ASH_CMDCMD=y
 # CONFIG_CTTYHACK is not set
 # CONFIG_HUSH is not set
+# CONFIG_SHELL_HUSH is not set
 # CONFIG_HUSH_BASH_COMPAT is not set
 # CONFIG_HUSH_BRACE_EXPANSION is not set
 # CONFIG_HUSH_LINENO_VAR is not set
@@ -1177,6 +1183,7 @@ CONFIG_FEATURE_ROTATE_LOGFILE=y
 CONFIG_FEATURE_REMOTE_LOG=y
 # CONFIG_FEATURE_SYSLOGD_DUP is not set
 # CONFIG_FEATURE_SYSLOGD_CFG is not set
+# CONFIG_FEATURE_SYSLOGD_PRECISE_TIMESTAMPS is not set
 CONFIG_FEATURE_SYSLOGD_READ_BUFFER_SIZE=256
 # CONFIG_FEATURE_IPC_SYSLOG is not set
 CONFIG_FEATURE_IPC_SYSLOG_BUFFER_SIZE=0

FunKey/board/funkey/linux.config

@@ -25,6 +25,7 @@ CONFIG_CPU_FREQ=y
 CONFIG_CPUFREQ_DT=y
 CONFIG_VFP=y
 CONFIG_NEON=y
+CONFIG_KERNEL_MODE_NEON=y
 # CONFIG_COREDUMP is not set
 CONFIG_HIBERNATION=y
 CONFIG_PM_STD_PARTITION="/dev/mmcblk0p2"

FunKey/board/funkey/patches/sdl/003-alsa-fix-excessiveio.patch

@@ -0,0 +1,26 @@
+Merge this bug as it can affect performance :
+https://github.com/OpenDingux/SDL/commit/e51100dce8da9099278dac9f5affbecf6396378b
+
+--- a/src/audio/alsa/SDL_alsa_audio.c 
++++ b/src/audio/alsa/SDL_alsa_audio.c 
+@@ -479,6 +479,10 @@
+ 		return(-1);
+ 	}
+ 
++	/* Switch to blocking mode for playback */
++	/* Note: this must happen before hw/sw params are set. */
++	SDL_NAME(snd_pcm_nonblock)(pcm_handle, 0);
++
+ 	/* Figure out what the hardware is capable of */
+ 	snd_pcm_hw_params_alloca(&hwparams);
+ 	status = SDL_NAME(snd_pcm_hw_params_any)(pcm_handle, hwparams);
+@@ -611,9 +615,6 @@
+ 	}
+ 	SDL_memset(mixbuf, spec->silence, spec->size);
+ 
+-	/* Switch to blocking mode for playback */
+-	SDL_NAME(snd_pcm_nonblock)(pcm_handle, 0);
+-
+ 	/* We're ready to rock and roll. :-) */
+ 	return(0);
+ }

FunKey/board/funkey/patches/sdl/sdl-fix-kb-input.patch

@@ -0,0 +1,22 @@
+diff --git a/src/video/fbcon/SDL_fbevents.c b/src/video/fbcon/SDL_fbevents.c
+index 5e369a4..549a7ad 100644
+--- a/src/video/fbcon/SDL_fbevents.c
++++ b/src/video/fbcon/SDL_fbevents.c
+@@ -270,17 +270,6 @@ int FB_OpenKeyboard(_THIS)
+ 				fprintf(stderr, "vtpath = %s, fd = %d\n",
+ 					vtpath, keyboard_fd);
+ #endif /* DEBUG_KEYBOARD */
+-
+-				/* This needs to be our controlling tty
+-				   so that the kernel ioctl() calls work
+-				*/
+-				if ( keyboard_fd >= 0 ) {
+-					tty0_fd = open("/dev/tty", O_RDWR, 0);
+-					if ( tty0_fd >= 0 ) {
+-						ioctl(tty0_fd, TIOCNOTTY, 0);
+-						close(tty0_fd);
+-					}
+-				}
+ 			}
+ 		}
+  		if ( keyboard_fd < 0 ) {