From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/sound/pci/hda/hda_generic.c | 179 +++++++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 130 insertions(+), 49 deletions(-)
diff --git a/kernel/sound/pci/hda/hda_generic.c b/kernel/sound/pci/hda/hda_generic.c
index ff263ad..35113fa 100644
--- a/kernel/sound/pci/hda/hda_generic.c
+++ b/kernel/sound/pci/hda/hda_generic.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Universal Interface for Intel High Definition Audio Codec
*
* Generic widget tree parser
*
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
- *
- * This driver is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This driver is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
@@ -29,10 +16,11 @@
#include <linux/string.h>
#include <linux/bitops.h>
#include <linux/module.h>
+#include <linux/leds.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/tlv.h>
-#include "hda_codec.h"
+#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
@@ -103,6 +91,12 @@
free_kctls(spec);
snd_array_free(&spec->paths);
snd_array_free(&spec->loopback_list);
+#ifdef CONFIG_SND_HDA_GENERIC_LEDS
+ if (spec->led_cdevs[LED_AUDIO_MUTE])
+ led_classdev_unregister(spec->led_cdevs[LED_AUDIO_MUTE]);
+ if (spec->led_cdevs[LED_AUDIO_MICMUTE])
+ led_classdev_unregister(spec->led_cdevs[LED_AUDIO_MICMUTE]);
+#endif
}
/*
@@ -1159,8 +1153,8 @@
return path && path->ctls[ctl_type];
}
-static const char * const channel_name[4] = {
- "Front", "Surround", "CLFE", "Side"
+static const char * const channel_name[] = {
+ "Front", "Surround", "CLFE", "Side", "Back",
};
/* give some appropriate ctl name prefix for the given line out channel */
@@ -1186,7 +1180,7 @@
/* multi-io channels */
if (ch >= cfg->line_outs)
- return channel_name[ch];
+ goto fixed_name;
switch (cfg->line_out_type) {
case AUTO_PIN_SPEAKER_OUT:
@@ -1238,6 +1232,7 @@
if (cfg->line_outs == 1 && !spec->multi_ios)
return "Line Out";
+ fixed_name:
if (ch >= ARRAY_SIZE(channel_name)) {
snd_BUG();
return "PCM";
@@ -3913,6 +3908,73 @@
return 0;
}
+#ifdef CONFIG_SND_HDA_GENERIC_LEDS
+/*
+ * vmaster mute LED hook helpers
+ */
+
+static int create_mute_led_cdev(struct hda_codec *codec,
+ int (*callback)(struct led_classdev *,
+ enum led_brightness),
+ bool micmute)
+{
+ struct hda_gen_spec *spec = codec->spec;
+ struct led_classdev *cdev;
+ int idx = micmute ? LED_AUDIO_MICMUTE : LED_AUDIO_MUTE;
+ int err;
+
+ cdev = devm_kzalloc(&codec->core.dev, sizeof(*cdev), GFP_KERNEL);
+ if (!cdev)
+ return -ENOMEM;
+
+ cdev->name = micmute ? "hda::micmute" : "hda::mute";
+ cdev->max_brightness = 1;
+ cdev->default_trigger = micmute ? "audio-micmute" : "audio-mute";
+ cdev->brightness_set_blocking = callback;
+ cdev->brightness = ledtrig_audio_get(idx);
+ cdev->flags = LED_CORE_SUSPENDRESUME;
+
+ err = led_classdev_register(&codec->core.dev, cdev);
+ if (err < 0)
+ return err;
+ spec->led_cdevs[idx] = cdev;
+ return 0;
+}
+
+static void vmaster_update_mute_led(void *private_data, int enabled)
+{
+ ledtrig_audio_set(LED_AUDIO_MUTE, enabled ? LED_OFF : LED_ON);
+}
+
+/**
+ * snd_dha_gen_add_mute_led_cdev - Create a LED classdev and enable as vmaster mute LED
+ * @codec: the HDA codec
+ * @callback: the callback for LED classdev brightness_set_blocking
+ */
+int snd_hda_gen_add_mute_led_cdev(struct hda_codec *codec,
+ int (*callback)(struct led_classdev *,
+ enum led_brightness))
+{
+ struct hda_gen_spec *spec = codec->spec;
+ int err;
+
+ if (callback) {
+ err = create_mute_led_cdev(codec, callback, false);
+ if (err) {
+ codec_warn(codec, "failed to create a mute LED cdev\n");
+ return err;
+ }
+ }
+
+ if (spec->vmaster_mute.hook)
+ codec_err(codec, "vmaster hook already present before cdev!\n");
+
+ spec->vmaster_mute.hook = vmaster_update_mute_led;
+ spec->vmaster_mute_enum = 1;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_gen_add_mute_led_cdev);
+
/*
* mic mute LED hook helpers
*/
@@ -3947,8 +4009,8 @@
if (val == spec->micmute_led.led_value)
return;
spec->micmute_led.led_value = val;
- if (spec->micmute_led.update)
- spec->micmute_led.update(codec);
+ ledtrig_audio_set(LED_AUDIO_MICMUTE,
+ spec->micmute_led.led_value ? LED_ON : LED_OFF);
}
static void update_micmute_led(struct hda_codec *codec,
@@ -4020,20 +4082,8 @@
.put = micmute_led_mode_put,
};
-/**
- * snd_hda_gen_add_micmute_led - helper for setting up mic mute LED hook
- * @codec: the HDA codec
- * @hook: the callback for updating LED
- *
- * Called from the codec drivers for offering the mic mute LED controls.
- * When established, it sets up cap_sync_hook and triggers the callback at
- * each time when the capture mixer switch changes. The callback is supposed
- * to update the LED accordingly.
- *
- * Returns 0 if the hook is established or a negative error code.
- */
-int snd_hda_gen_add_micmute_led(struct hda_codec *codec,
- void (*hook)(struct hda_codec *))
+/* Set up the capture sync hook for controlling the mic-mute LED */
+static int add_micmute_led_hook(struct hda_codec *codec)
{
struct hda_gen_spec *spec = codec->spec;
@@ -4041,13 +4091,44 @@
spec->micmute_led.capture = 0;
spec->micmute_led.led_value = -1;
spec->micmute_led.old_hook = spec->cap_sync_hook;
- spec->micmute_led.update = hook;
spec->cap_sync_hook = update_micmute_led;
if (!snd_hda_gen_add_kctl(spec, NULL, &micmute_led_mode_ctl))
return -ENOMEM;
return 0;
}
-EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led);
+
+/**
+ * snd_dha_gen_add_micmute_led_cdev - Create a LED classdev and enable as mic-mute LED
+ * @codec: the HDA codec
+ * @callback: the callback for LED classdev brightness_set_blocking
+ *
+ * Called from the codec drivers for offering the mic mute LED controls.
+ * This creates a LED classdev and sets up the cap_sync_hook that is called at
+ * each time when the capture mixer switch changes.
+ *
+ * When NULL is passed to @callback, no classdev is created but only the
+ * LED-trigger is set up.
+ *
+ * Returns 0 or a negative error.
+ */
+int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
+ int (*callback)(struct led_classdev *,
+ enum led_brightness))
+{
+ int err;
+
+ if (callback) {
+ err = create_mute_led_cdev(codec, callback, true);
+ if (err) {
+ codec_warn(codec, "failed to create a mic-mute LED cdev\n");
+ return err;
+ }
+ }
+
+ return add_micmute_led_hook(codec);
+}
+EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led_cdev);
+#endif /* CONFIG_SND_HDA_GENERIC_LEDS */
/*
* parse digital I/Os and set up NIDs in BIOS auto-parse mode
@@ -4059,7 +4140,7 @@
int i, nums;
hda_nid_t dig_nid, pin;
- /* support multiple SPDIFs; the secondary is set up as a slave */
+ /* support multiple SPDIFs; the secondary is set up as a follower */
nums = 0;
for (i = 0; i < spec->autocfg.dig_outs; i++) {
pin = spec->autocfg.dig_out_pins[i];
@@ -4078,10 +4159,10 @@
spec->multiout.dig_out_nid = dig_nid;
spec->dig_out_type = spec->autocfg.dig_out_type[0];
} else {
- spec->multiout.slave_dig_outs = spec->slave_dig_outs;
- if (nums >= ARRAY_SIZE(spec->slave_dig_outs) - 1)
+ spec->multiout.follower_dig_outs = spec->follower_dig_outs;
+ if (nums >= ARRAY_SIZE(spec->follower_dig_outs) - 1)
break;
- spec->slave_dig_outs[nums - 1] = dig_nid;
+ spec->follower_dig_outs[nums - 1] = dig_nid;
}
nums++;
}
@@ -4397,7 +4478,7 @@
*/
/* check each pin in the given array; returns true if any of them is plugged */
-static bool detect_jacks(struct hda_codec *codec, int num_pins, hda_nid_t *pins)
+static bool detect_jacks(struct hda_codec *codec, int num_pins, const hda_nid_t *pins)
{
int i;
bool present = false;
@@ -4416,7 +4497,7 @@
}
/* standard HP/line-out auto-mute helper */
-static void do_automute(struct hda_codec *codec, int num_pins, hda_nid_t *pins,
+static void do_automute(struct hda_codec *codec, int num_pins, const hda_nid_t *pins,
int *paths, bool mute)
{
struct hda_gen_spec *spec = codec->spec;
@@ -4536,7 +4617,7 @@
else
snd_hda_gen_update_outputs(codec);
- /* sync the whole vmaster slaves to reflect the new auto-mute status */
+ /* sync the whole vmaster followers to reflect the new auto-mute status */
if (spec->auto_mute_via_amp && !codec->bus->shutdown)
snd_ctl_sync_vmaster(spec->vmaster_mute.sw_kctl, false);
}
@@ -5180,8 +5261,8 @@
* Build control elements
*/
-/* slave controls for virtual master */
-static const char * const slave_pfxs[] = {
+/* follower controls for virtual master */
+static const char * const follower_pfxs[] = {
"Front", "Surround", "Center", "LFE", "Side",
"Headphone", "Speaker", "Mono", "Line Out",
"CLFE", "Bass Speaker", "PCM",
@@ -5233,7 +5314,7 @@
if (!spec->no_analog && !spec->suppress_vmaster &&
!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
err = snd_hda_add_vmaster(codec, "Master Playback Volume",
- spec->vmaster_tlv, slave_pfxs,
+ spec->vmaster_tlv, follower_pfxs,
"Playback Volume");
if (err < 0)
return err;
@@ -5241,7 +5322,7 @@
if (!spec->no_analog && !spec->suppress_vmaster &&
!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
err = __snd_hda_add_vmaster(codec, "Master Playback Switch",
- NULL, slave_pfxs,
+ NULL, follower_pfxs,
"Playback Switch",
true, &spec->vmaster_mute.sw_kctl);
if (err < 0)
@@ -5756,7 +5837,7 @@
spec->stream_name_digital);
if (!info)
return -ENOMEM;
- codec->slave_dig_outs = spec->multiout.slave_dig_outs;
+ codec->follower_dig_outs = spec->multiout.follower_dig_outs;
spec->pcm_rec[1] = info;
if (spec->dig_out_type)
info->pcm_type = spec->dig_out_type;
@@ -6023,7 +6104,7 @@
/* call init functions of standard auto-mute helpers */
update_automute_all(codec);
- regcache_sync(codec->core.regmap);
+ snd_hda_regmap_sync(codec);
if (spec->vmaster_mute.sw_kctl && spec->vmaster_mute.hook)
snd_hda_sync_vmaster_hook(&spec->vmaster_mute);
--
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