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author | Jonathan Cameron <jic23@cam.ac.uk> | 2010-05-04 14:43:04 +0100 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-11 11:36:05 -0700 |
commit | eaf86ff9390d4d9c34d88d75fc7bcb784afc697a (patch) | |
tree | e49f3e986d64691fefeacd62207ba402ff540588 /drivers/staging/iio | |
parent | 82020b0ef15de0cde1082ba0ff427c2f47a9a011 (diff) | |
download | kernel_samsung_smdk4412-eaf86ff9390d4d9c34d88d75fc7bcb784afc697a.zip kernel_samsung_smdk4412-eaf86ff9390d4d9c34d88d75fc7bcb784afc697a.tar.gz kernel_samsung_smdk4412-eaf86ff9390d4d9c34d88d75fc7bcb784afc697a.tar.bz2 |
staging:iio: Documentation, update iio_utils.h for the move to a bus
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio')
-rw-r--r-- | drivers/staging/iio/Documentation/iio_utils.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h index 74d3124..d24006a 100644 --- a/drivers/staging/iio/Documentation/iio_utils.h +++ b/drivers/staging/iio/Documentation/iio_utils.h @@ -47,7 +47,7 @@ inline char *find_ring_subelement(const char *directory, const char *subelement) char *find_type_by_name(const char *name, const char *type) { - const char *iio_dir = "/sys/class/iio/"; + const char *iio_dir = "/sys/bus/iio/devices/"; const struct dirent *ent; int cnt, pos, pos2; @@ -112,6 +112,35 @@ int write_sysfs_int(char *filename, char *basedir, int val) return 0; } +int write_sysfs_int_and_verify(char *filename, char *basedir, int val) +{ + int ret; + FILE *sysfsfp; + char temp[100]; + int test; + + sprintf(temp, "%s%s", basedir, filename); + sysfsfp = fopen(temp, "w"); + if (sysfsfp == NULL) + return -1; + fprintf(sysfsfp, "%d", val); + fclose(sysfsfp); + + sysfsfp = fopen(temp, "r"); + if (sysfsfp == NULL) + return -1; + fscanf(sysfsfp, "%d", &test); + if (test != val) { + printf("Possible failure in int write %d to %s%s\n", + val, + basedir, + filename); + return -1; + } + + return 0; +} + /** * write_sysfs_string_and_verify() - string write, readback and verify * @filename: name of file to write to |