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>
This commit is contained in:
Subhransu S. Prusty 2015-09-29 13:56:47 +05:30 committed by Takashi Iwai
parent 4f9e0c38c5
commit 78abb2afaf

View file

@ -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
};