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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-18 20:58:00 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-18 20:58:00 -0300 |
| commit | d608d71cd6d19792487d08333d63c7ff20294694 (patch) | |
| tree | c9cad98ad9cbba487d32812d59c456ed774d6ffb /drivers/usb/core/sysfs.c | |
| parent | ed72d37a33fdf43dc47787fe220532cdec9da528 (diff) | |
| parent | a937536b868b8369b98967929045f1df54234323 (diff) | |
Merge tag 'v3.9-rc3' into v4l_for_linus
Linux 3.9-rc3
* tag 'v3.9-rc3': (11231 commits)
Linux 3.9-rc3
perf,x86: fix link failure for non-Intel configs
perf,x86: fix wrmsr_on_cpu() warning on suspend/resume
Btrfs: fix warning of free_extent_map
perf,x86: fix kernel crash with PEBS/BTS after suspend/resume
ALSA: hda - Fix missing EAPD/GPIO setup for Cirrus codecs
sound: sequencer: cap array index in seq_chn_common_event()
mfd: twl4030-madc: Remove __exit_p annotation
ALSA: hda/ca0132 - Remove extra setting of dsp_state.
ALSA: hda/ca0132 - Check download state of DSP.
ALSA: hda/ca0132 - Check if dspload_image succeeded.
mm/fremap.c: fix possible oops on error path
list: Fix double fetch of pointer in hlist_entry_safe()
Btrfs: fix warning when creating snapshots
Btrfs: return as soon as possible when edquot happens
Btrfs: return EIO if we have extent tree corruption
btrfs: use rcu_barrier() to wait for bdev puts at unmount
Btrfs: remove btrfs_try_spin_lock
Btrfs: get better concurrency for snapshot-aware defrag work
hwmon: (pmbus/ltc2978) Fix temperature reporting
...
Diffstat (limited to 'drivers/usb/core/sysfs.c')
| -rw-r--r-- | drivers/usb/core/sysfs.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 818e4a024d0..3f81a3dc686 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -17,7 +17,7 @@ #include "usb.h" /* Active configuration fields */ -#define usb_actconfig_show(field, multiplier, format_string) \ +#define usb_actconfig_show(field, format_string) \ static ssize_t show_##field(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ @@ -28,18 +28,31 @@ static ssize_t show_##field(struct device *dev, \ actconfig = udev->actconfig; \ if (actconfig) \ return sprintf(buf, format_string, \ - actconfig->desc.field * multiplier); \ + actconfig->desc.field); \ else \ return 0; \ } \ -#define usb_actconfig_attr(field, multiplier, format_string) \ -usb_actconfig_show(field, multiplier, format_string) \ -static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL); +#define usb_actconfig_attr(field, format_string) \ + usb_actconfig_show(field, format_string) \ + static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL); + +usb_actconfig_attr(bNumInterfaces, "%2d\n") +usb_actconfig_attr(bmAttributes, "%2x\n") -usb_actconfig_attr(bNumInterfaces, 1, "%2d\n") -usb_actconfig_attr(bmAttributes, 1, "%2x\n") -usb_actconfig_attr(bMaxPower, 2, "%3dmA\n") +static ssize_t show_bMaxPower(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_device *udev; + struct usb_host_config *actconfig; + + udev = to_usb_device(dev); + actconfig = udev->actconfig; + if (!actconfig) + return 0; + return sprintf(buf, "%dmA\n", usb_get_max_power(udev, actconfig)); +} +static DEVICE_ATTR(bMaxPower, S_IRUGO, show_bMaxPower, NULL); static ssize_t show_configuration_string(struct device *dev, struct device_attribute *attr, char *buf) @@ -56,7 +69,7 @@ static ssize_t show_configuration_string(struct device *dev, static DEVICE_ATTR(configuration, S_IRUGO, show_configuration_string, NULL); /* configuration value is always present, and r/w */ -usb_actconfig_show(bConfigurationValue, 1, "%u\n"); +usb_actconfig_show(bConfigurationValue, "%u\n"); static ssize_t set_bConfigurationValue(struct device *dev, struct device_attribute *attr, |