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[1/2] ALSA: hda - Expose codec type sysfs

Message ID 1428924157-6288-1-git-send-email-tiwai@suse.de (mailing list archive)
State Accepted
Commit eacf6e0a238923dfce0626450adcb6d486072f28
Headers show

Commit Message

Takashi Iwai April 13, 2015, 11:22 a.m. UTC 
The type field of HD-audio codec object should be exposed to
user-space so that it can identify which driver type to bind (legacy /
asoc).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/hda/hdac_sysfs.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c
index 18aea43d230d..0a6ce3b84cc4 100644
--- a/sound/hda/hdac_sysfs.c
+++ b/sound/hda/hdac_sysfs.c
@@ -36,6 +36,7 @@  static ssize_t type##_show(struct device *dev,			\
 } \
 static DEVICE_ATTR_RO(type)
 
+CODEC_ATTR(type);
 CODEC_ATTR(vendor_id);
 CODEC_ATTR(subsystem_id);
 CODEC_ATTR(revision_id);
@@ -45,6 +46,7 @@  CODEC_ATTR_STR(vendor_name);
 CODEC_ATTR_STR(chip_name);
 
 static struct attribute *hdac_dev_attrs[] = {
+	&dev_attr_type.attr,
 	&dev_attr_vendor_id.attr,
 	&dev_attr_subsystem_id.attr,
 	&dev_attr_revision_id.attr,