sysfs_read_string
if (sysfs_read_string(PATH_SOC_SLIDER_BALANCE, buf, sizeof(buf)) == 0)
if (sysfs_read_string(PATH_SOC_SLIDER_OFFSET, buf, sizeof(buf)) == 0)
if (sysfs_read_string(PATH_PLATFORM_PROFILE_NAME, buf, sizeof(buf)) == 0)
if (sysfs_read_string(PATH_PLATFORM_PROFILE, buf, sizeof(buf)) == 0)
static int sysfs_read_string(const char *, char *, size_t);
if (sysfs_read_string(PATH_PLATFORM_PROFILE_NAME, buf, sizeof(buf)) != 0) {