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ALSA: hda - Add hdaudio bus modalias support
author
Subhransu S. Prusty
<subhransu.s.prusty@intel.com>
Tue, 29 Sep 2015 08:26:47 +0000
(13:56 +0530)
committer
Takashi Iwai
<tiwai@suse.de>
Tue, 20 Oct 2015 08:15:09 +0000
(10:15 +0200)
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>
sound/hda/hdac_sysfs.c
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diff --git
a/sound/hda/hdac_sysfs.c
b/sound/hda/hdac_sysfs.c
index
c71142d
..
42d61bf
100644
(file)
--- 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
};