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path: root/sound/pci/hda/hda_beep.c
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Diffstat (limited to 'sound/pci/hda/hda_beep.c')
-rw-r--r--sound/pci/hda/hda_beep.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
index 88bb08486f77..8c6c50afc0b7 100644
--- a/sound/pci/hda/hda_beep.c
+++ b/sound/pci/hda/hda_beep.c
@@ -139,7 +139,10 @@ static void turn_off_beep(struct hda_beep *beep)
static void snd_hda_do_detach(struct hda_beep *beep)
{
- input_unregister_device(beep->dev);
+ if (beep->registered)
+ input_unregister_device(beep->dev);
+ else
+ input_free_device(beep->dev);
beep->dev = NULL;
turn_off_beep(beep);
}
@@ -148,7 +151,6 @@ static int snd_hda_do_attach(struct hda_beep *beep)
{
struct input_dev *input_dev;
struct hda_codec *codec = beep->codec;
- int err;
input_dev = input_allocate_device();
if (!input_dev)
@@ -169,12 +171,6 @@ static int snd_hda_do_attach(struct hda_beep *beep)
input_dev->dev.parent = &codec->dev;
input_set_drvdata(input_dev, beep);
- err = input_register_device(input_dev);
- if (err < 0) {
- input_free_device(input_dev);
- codec_err(codec, "hda_beep: unable to register input device\n");
- return err;
- }
beep->dev = input_dev;
return 0;
}
@@ -244,6 +240,27 @@ void snd_hda_detach_beep_device(struct hda_codec *codec)
}
EXPORT_SYMBOL_GPL(snd_hda_detach_beep_device);
+int snd_hda_register_beep_device(struct hda_codec *codec)
+{
+ struct hda_beep *beep = codec->beep;
+ int err;
+
+ if (!beep || !beep->dev)
+ return 0;
+
+ err = input_register_device(beep->dev);
+ if (err < 0) {
+ codec_err(codec, "hda_beep: unable to register input device\n");
+ input_free_device(beep->dev);
+ codec->beep = NULL;
+ kfree(beep);
+ return err;
+ }
+ beep->registered = true;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_register_beep_device);
+
static bool ctl_has_mute(struct snd_kcontrol *kcontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
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