diff options
| author | Jens Taprogge <jens.taprogge@taprogge.org> | 2012-09-04 17:01:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-04 15:13:52 -0700 |
| commit | 5d72c848d2a3b4af7f8f32d89af02a486d321bd6 (patch) | |
| tree | 6944924685ad3471d2439ec1821a598a883fab8b | |
| parent | 35eb97bb67e7581ba1372ffc8c28770ca0568404 (diff) | |
Staging: ipack: Provide ID Prom through sysfs.
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/ipack/ipack.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/staging/ipack/ipack.c b/drivers/staging/ipack/ipack.c index a5ef28f82f7a..ff907facc005 100644 --- a/drivers/staging/ipack/ipack.c +++ b/drivers/staging/ipack/ipack.c @@ -120,6 +120,36 @@ field##_show(struct device *dev, struct device_attribute *attr, \ return sprintf(buf, format_string, idev->field); \ } +static ssize_t id_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + unsigned int i, c, l, s; + struct ipack_device *idev = to_ipack_dev(dev); + + + switch (idev->id_format) { + case IPACK_ID_VERSION_1: + l = 0x7; s = 1; break; + case IPACK_ID_VERSION_2: + l = 0xf; s = 2; break; + default: + return -EIO; + } + c = 0; + for (i = 0; i < idev->id_avail; i++) { + if (i > 0) { + if ((i & l) == 0) + buf[c++] = '\n'; + else if ((i & s) == 0) + buf[c++] = ' '; + } + sprintf(&buf[c], "%02x", idev->id[i]); + c += 2; + } + buf[c++] = '\n'; + return c; +} + static ssize_t id_vendor_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -160,6 +190,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, ipack_device_attr(id_format, "0x%hhu\n"); static struct device_attribute ipack_dev_attrs[] = { + __ATTR_RO(id), __ATTR_RO(id_device), __ATTR_RO(id_format), __ATTR_RO(id_vendor), |