From 78abb2afaf3d7635e9b1770c50e50b59820c4e5d Mon Sep 17 00:00:00 2001 From: "Subhransu S. Prusty" Date: Tue, 29 Sep 2015 13:56:47 +0530 Subject: 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 Reviewed-by: Vinod Koul Tested-by: Subhransu S Prusty Signed-off-by: Takashi Iwai --- sound/hda/hdac_sysfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'sound/hda/hdac_sysfs.c') 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 }; -- cgit