browse /sys/class/regulator with a generic name
All the files found in the /sys/class/regulator directory should
be regulators. Don't assume their name begin with 'regulator'.
Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
diff --git a/regulator.c b/regulator.c
index 255a56d..342a1a7 100644
--- a/regulator.c
+++ b/regulator.c
@@ -15,20 +15,30 @@
#include "regulator.h"
+#define SYSFS_REGULATOR "/sys/class/regulator"
+
int regulator_init(void)
{
DIR *regdir;
struct dirent *item;
- regdir = opendir("/sys/class/regulator");
- if (!regdir)
- return(1);
+ regdir = opendir(SYSFS_REGULATOR);
+ if (!regdir) {
+ fprintf(stderr, "failed to open '%s': %m\n", SYSFS_REGULATOR);
+ return -1;
+ }
+
while ((item = readdir(regdir))) {
- if (strncmp(item->d_name, "regulator", 9))
+
+ if (!strcmp(item->d_name, "."))
+ continue;
+
+ if (!strcmp(item->d_name, ".."))
continue;
numregulators++;
}
+
closedir(regdir);
regulators_info = (struct regulator_info *)malloc(numregulators*