diff options
Diffstat (limited to 'sound/pci/hda/hda_beep.c')
| -rw-r--r-- | sound/pci/hda/hda_beep.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c index 0589b39cda6..8c6c50afc0b 100644 --- a/sound/pci/hda/hda_beep.c +++ b/sound/pci/hda/hda_beep.c @@ -20,7 +20,6 @@ */ #include <linux/input.h> -#include <linux/pci.h> #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/export.h> @@ -140,7 +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); } @@ -149,7 +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) @@ -167,15 +168,9 @@ static int snd_hda_do_attach(struct hda_beep *beep) input_dev->evbit[0] = BIT_MASK(EV_SND); input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); input_dev->event = snd_hda_beep_event; - input_dev->dev.parent = &codec->bus->pci->dev; + 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); - printk(KERN_INFO "hda_beep: unable to register input device\n"); - return err; - } beep->dev = input_dev; return 0; } @@ -245,6 +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); |