spark: use proc_tools

libspark/audio.cpp

@@ -7,6 +7,8 @@
 #include <unistd.h>
 
 #include <linux/dvb/audio.h>
+
+#include <proc_tools.h>
 #include "audio_lib.h"
 #include "audio_mixer.h"
 #include "lt_debug.h"
@@ -19,19 +21,6 @@
 
 cAudio * audioDecoder = NULL;
 
-static int proc_put(const char *path, const char *value, const int len)
-{
-	int ret, ret2;
-	int pfd = open(path, O_WRONLY);
-	if (pfd < 0)
-		return pfd;
-	ret = write(pfd, value, len);
-	ret2 = close(pfd);
-	if (ret2 < 0)
-		return ret2;
-	return ret;
-}
-
 cAudio::cAudio(void *, void *, void *)
 {
 	fd = -1;
@@ -117,7 +106,6 @@ int map_volume(const int volume)
 	return vol;
 }
 
-
 int cAudio::setVolume(unsigned int left, unsigned int right)
 {
 	lt_debug("%s(%d, %d)\n", __func__, left, right);
@@ -281,7 +269,7 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int little_endian)
 	usable = devmask & stereo;
 	if (usable == 0) {
 		lt_info("%s: devmask: %08x stereo: %08x, no usable dev :-(\n",
-				__func__, devmask, stereo);
+			__func__, devmask, stereo);
 		close(mixer_fd);
 		mixer_fd = -1;
 		return 0; /* TODO: should we treat this as error? */
@@ -290,13 +278,13 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int little_endian)
 	if (__builtin_popcount (usable) != 1) {
 		/* TODO: this code is not yet tested as I have only single-mixer devices... */
 		lt_info("%s: more than one mixer control: devmask %08x stereo %08x\n"
-				"%s: querying MIX_NUMBER environment variable...\n",
+			"%s: querying MIX_NUMBER environment variable...\n",
-				__func__, devmask, stereo, __func__);
+			__func__, devmask, stereo, __func__);
 		const char *tmp = getenv("MIX_NUMBER");
 		if (tmp)
 			mixer_num = atoi(tmp);
 		lt_info("%s: mixer_num is %d -> device %08x\n",
-				__func__, mixer_num, (mixer_num >= 0) ? (1 << mixer_num) : 0);
+			__func__, mixer_num, (mixer_num >= 0) ? (1 << mixer_num) : 0);
 		/* no error checking, you'd better know what you are doing... */
 	} else {
 		mixer_num = 0;

libspark/video.cpp

@@ -38,6 +38,9 @@
 #include <bpamem.h>
 #include "video_lib.h"
 #include "lt_debug.h"
+
+#include <proc_tools.h>
+
 #define lt_debug(args...) _lt_debug(TRIPLE_DEBUG_VIDEO, this, args)
 #define lt_info(args...) _lt_info(TRIPLE_DEBUG_VIDEO, this, args)
 #define lt_debug_c(args...) _lt_debug(TRIPLE_DEBUG_VIDEO, NULL, args)
@@ -102,46 +105,6 @@ static const char *VMPEG_framerate[] = {
 #define VIDEO_STREAMTYPE_H265_HEVC 7
 #define VIDEO_STREAMTYPE_AVS 16
 
-
-static int proc_put(const char *path, const char *value, const int len)
-{
-	int ret, ret2;
-	int pfd = open(path, O_WRONLY);
-	if (pfd < 0)
-		return pfd;
-	ret = write(pfd, value, len);
-	ret2 = close(pfd);
-	if (ret2 < 0)
-		return ret2;
-	return ret;
-}
-
-static int proc_get(const char *path, char *value, const int len)
-{
-	int ret, ret2;
-	int pfd = open(path, O_RDONLY);
-	if (pfd < 0)
-		return pfd;
-	ret = read(pfd, value, len);
-	value[len-1] = '\0'; /* make sure string is terminated */
-	while (ret > 0 && isspace(value[ret-1]))
-		value[--ret] = '\0';	/* remove trailing whitespace */
-	ret2 = close(pfd);
-	if (ret2 < 0)
-		return ret2;
-	return ret;
-}
-
-static unsigned int proc_get_hex(const char *path)
-{
-	unsigned int n, ret = 0;
-	char buf[16];
-	n = proc_get(path, buf, 16);
-	if (n > 0)
-		sscanf(buf, "%x", &ret);
-	return ret;
-}
-
 static int hdmi_out(bool enable)
 {
 	struct stmfbio_output_configuration out;