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| author |   Subhransu S. Prusty <subhransu.s.prusty@intel.com> | 2015-09-29 13:56:47 +0530 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2015-10-20 10:15:09 +0200 |
| commit | 78abb2afaf3d7635e9b1770c50e50b59820c4e5d (patch) | |
| tree | 98da8604cda0b892db491dbbe0914dff0cb2cefc /sound/hda/hdac_sysfs.c | |
| parent | ALSA: hda - Add a common helper to give the codec modalias string (diff) | |
| download | linux-dev-78abb2afaf3d7635e9b1770c50e50b59820c4e5d.tar.xz linux-dev-78abb2afaf3d7635e9b1770c50e50b59820c4e5d.zip | |
ALSA: hda - Add hdaudio bus modalias support
This patch just adds modalias sysfs entry to each hdaudio bus entry.
[rewritten to call the common helper function by tiwai]
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Reviewed-by: Vinod Koul <vinod.koul@intel.com>
Tested-by: Subhransu S Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda/hdac_sysfs.c')
| -rw-r--r-- | sound/hda/hdac_sysfs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c index c71142dea98a..42d61bf41969 100644 --- a/sound/hda/hdac_sysfs.c +++ b/sound/hda/hdac_sysfs.c @@ -45,6 +45,13 @@ CODEC_ATTR(mfg); CODEC_ATTR_STR(vendor_name); CODEC_ATTR_STR(chip_name); +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return snd_hdac_codec_modalias(dev_to_hdac_dev(dev), buf, 256); +} +static DEVICE_ATTR_RO(modalias); + static struct attribute *hdac_dev_attrs[] = { &dev_attr_type.attr, &dev_attr_vendor_id.attr, @@ -54,6 +61,7 @@ static struct attribute *hdac_dev_attrs[] = { &dev_attr_mfg.attr, &dev_attr_vendor_name.attr, &dev_attr_chip_name.attr, + &dev_attr_modalias.attr, NULL }; |