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authorSubhransu S. Prusty <subhransu.s.prusty@intel.com>2015-09-29 13:56:47 +0530
committerTakashi Iwai <tiwai@suse.de>2015-10-20 10:15:09 +0200
commit78abb2afaf3d7635e9b1770c50e50b59820c4e5d (patch)
tree98da8604cda0b892db491dbbe0914dff0cb2cefc /sound/hda/hdac_sysfs.c
parent4f9e0c38c5e991e2d050d13e28be74b93ab704c0 (diff)
downloadlinux-78abb2afaf3d7635e9b1770c50e50b59820c4e5d.tar.bz2
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.c8
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
};