From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/pci/hda/hda_beep.c | 166 ++++++++++++++++++++++++++++---------------------------
1 files changed, 85 insertions(+), 81 deletions(-)
diff --git a/kernel/sound/pci/hda/hda_beep.c b/kernel/sound/pci/hda/hda_beep.c
index 0224011..e63621b 100644
--- a/kernel/sound/pci/hda/hda_beep.c
+++ b/kernel/sound/pci/hda/hda_beep.c
@@ -102,7 +102,7 @@
case SND_BELL:
if (hz)
hz = 1000;
- /* fallthru */
+ fallthrough;
case SND_TONE:
if (beep->linear_tone)
beep->tone = beep_linear_tone(beep, hz);
@@ -118,6 +118,12 @@
return 0;
}
+static void turn_on_beep(struct hda_beep *beep)
+{
+ if (beep->keep_power_at_enable)
+ snd_hda_power_up_pm(beep->codec);
+}
+
static void turn_off_beep(struct hda_beep *beep)
{
cancel_work_sync(&beep->beep_work);
@@ -125,44 +131,8 @@
/* turn off beep */
generate_tone(beep, 0);
}
-}
-
-static void snd_hda_do_detach(struct hda_beep *beep)
-{
- if (beep->registered)
- input_unregister_device(beep->dev);
- else
- input_free_device(beep->dev);
- beep->dev = NULL;
- turn_off_beep(beep);
-}
-
-static int snd_hda_do_attach(struct hda_beep *beep)
-{
- struct input_dev *input_dev;
- struct hda_codec *codec = beep->codec;
-
- input_dev = input_allocate_device();
- if (!input_dev)
- return -ENOMEM;
-
- /* setup digital beep device */
- input_dev->name = "HDA Digital PCBeep";
- input_dev->phys = beep->phys;
- input_dev->id.bustype = BUS_PCI;
- input_dev->dev.parent = &codec->card->card_dev;
-
- input_dev->id.vendor = codec->core.vendor_id >> 16;
- input_dev->id.product = codec->core.vendor_id & 0xffff;
- input_dev->id.version = 0x01;
-
- 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_set_drvdata(input_dev, beep);
-
- beep->dev = input_dev;
- return 0;
+ if (beep->keep_power_at_enable)
+ snd_hda_power_down_pm(beep->codec);
}
/**
@@ -178,13 +148,48 @@
enable = !!enable;
if (beep->enabled != enable) {
beep->enabled = enable;
- if (!enable)
+ if (enable)
+ turn_on_beep(beep);
+ else
turn_off_beep(beep);
return 1;
}
return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_enable_beep_device);
+
+static int beep_dev_register(struct snd_device *device)
+{
+ struct hda_beep *beep = device->device_data;
+ int err;
+
+ err = input_register_device(beep->dev);
+ if (!err)
+ beep->registered = true;
+ return err;
+}
+
+static int beep_dev_disconnect(struct snd_device *device)
+{
+ struct hda_beep *beep = device->device_data;
+
+ if (beep->registered)
+ input_unregister_device(beep->dev);
+ else
+ input_free_device(beep->dev);
+ if (beep->enabled)
+ turn_off_beep(beep);
+ return 0;
+}
+
+static int beep_dev_free(struct snd_device *device)
+{
+ struct hda_beep *beep = device->device_data;
+
+ beep->codec->beep = NULL;
+ kfree(beep);
+ return 0;
+}
/**
* snd_hda_attach_beep_device - Attach a beep input device
@@ -194,14 +199,16 @@
* Attach a beep object to the given widget. If beep hint is turned off
* explicitly or beep_mode of the codec is turned off, this doesn't nothing.
*
- * The attached beep device has to be registered via
- * snd_hda_register_beep_device() and released via snd_hda_detach_beep_device()
- * appropriately.
- *
* Currently, only one beep device is allowed to each codec.
*/
int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
{
+ static const struct snd_device_ops ops = {
+ .dev_register = beep_dev_register,
+ .dev_disconnect = beep_dev_disconnect,
+ .dev_free = beep_dev_free,
+ };
+ struct input_dev *input_dev;
struct hda_beep *beep;
int err;
@@ -226,14 +233,41 @@
INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
mutex_init(&beep->mutex);
- err = snd_hda_do_attach(beep);
- if (err < 0) {
- kfree(beep);
- codec->beep = NULL;
- return err;
+ input_dev = input_allocate_device();
+ if (!input_dev) {
+ err = -ENOMEM;
+ goto err_free;
}
+ /* setup digital beep device */
+ input_dev->name = "HDA Digital PCBeep";
+ input_dev->phys = beep->phys;
+ input_dev->id.bustype = BUS_PCI;
+ input_dev->dev.parent = &codec->card->card_dev;
+
+ input_dev->id.vendor = codec->core.vendor_id >> 16;
+ input_dev->id.product = codec->core.vendor_id & 0xffff;
+ input_dev->id.version = 0x01;
+
+ 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_set_drvdata(input_dev, beep);
+
+ beep->dev = input_dev;
+
+ err = snd_device_new(codec->card, SNDRV_DEV_JACK, beep, &ops);
+ if (err < 0)
+ goto err_input;
+
return 0;
+
+ err_input:
+ input_free_device(beep->dev);
+ err_free:
+ kfree(beep);
+ codec->beep = NULL;
+ return err;
}
EXPORT_SYMBOL_GPL(snd_hda_attach_beep_device);
@@ -243,40 +277,10 @@
*/
void snd_hda_detach_beep_device(struct hda_codec *codec)
{
- struct hda_beep *beep = codec->beep;
- if (beep) {
- if (beep->dev)
- snd_hda_do_detach(beep);
- codec->beep = NULL;
- kfree(beep);
- }
+ if (!codec->bus->shutdown && codec->beep)
+ snd_device_free(codec->card, codec->beep);
}
EXPORT_SYMBOL_GPL(snd_hda_detach_beep_device);
-
-/**
- * snd_hda_register_beep_device - Register the beep device
- * @codec: the HDA codec
- */
-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)
{
--
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