From: "Subhransu S. Prusty" subhransu.s.prusty@intel.com
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 Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/hda/hdac_sysfs.c | 8 ++++++++ 1 file changed, 8 insertions(+)
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 };