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/usb/proc.c | 84 ++++++++++++++++++++++++++++++-----------
1 files changed, 61 insertions(+), 23 deletions(-)
diff --git a/kernel/sound/usb/proc.c b/kernel/sound/usb/proc.c
index 28192b0..889c550 100644
--- a/kernel/sound/usb/proc.c
+++ b/kernel/sound/usb/proc.c
@@ -1,18 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * This program 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 program 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>
@@ -61,12 +48,43 @@
void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
{
- struct snd_info_entry *entry;
- if (!snd_card_proc_new(chip->card, "usbbus", &entry))
- snd_info_set_text_ops(entry, chip, proc_audio_usbbus_read);
- if (!snd_card_proc_new(chip->card, "usbid", &entry))
- snd_info_set_text_ops(entry, chip, proc_audio_usbid_read);
+ snd_card_ro_proc_new(chip->card, "usbbus", chip,
+ proc_audio_usbbus_read);
+ snd_card_ro_proc_new(chip->card, "usbid", chip,
+ proc_audio_usbid_read);
}
+
+static const char * const channel_labels[] = {
+ [SNDRV_CHMAP_NA] = "N/A",
+ [SNDRV_CHMAP_MONO] = "MONO",
+ [SNDRV_CHMAP_FL] = "FL",
+ [SNDRV_CHMAP_FR] = "FR",
+ [SNDRV_CHMAP_FC] = "FC",
+ [SNDRV_CHMAP_LFE] = "LFE",
+ [SNDRV_CHMAP_RL] = "RL",
+ [SNDRV_CHMAP_RR] = "RR",
+ [SNDRV_CHMAP_FLC] = "FLC",
+ [SNDRV_CHMAP_FRC] = "FRC",
+ [SNDRV_CHMAP_RC] = "RC",
+ [SNDRV_CHMAP_SL] = "SL",
+ [SNDRV_CHMAP_SR] = "SR",
+ [SNDRV_CHMAP_TC] = "TC",
+ [SNDRV_CHMAP_TFL] = "TFL",
+ [SNDRV_CHMAP_TFC] = "TFC",
+ [SNDRV_CHMAP_TFR] = "TFR",
+ [SNDRV_CHMAP_TRL] = "TRL",
+ [SNDRV_CHMAP_TRC] = "TRC",
+ [SNDRV_CHMAP_TRR] = "TRR",
+ [SNDRV_CHMAP_TFLC] = "TFLC",
+ [SNDRV_CHMAP_TFRC] = "TFRC",
+ [SNDRV_CHMAP_LLFE] = "LLFE",
+ [SNDRV_CHMAP_RLFE] = "RLFE",
+ [SNDRV_CHMAP_TSL] = "TSL",
+ [SNDRV_CHMAP_TSR] = "TSR",
+ [SNDRV_CHMAP_BC] = "BC",
+ [SNDRV_CHMAP_RLC] = "RLC",
+ [SNDRV_CHMAP_RRC] = "RRC",
+};
/*
* proc interface for list the supported pcm formats
@@ -84,7 +102,7 @@
snd_iprintf(buffer, " Interface %d\n", fp->iface);
snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
snd_iprintf(buffer, " Format:");
- for (fmt = 0; fmt <= SNDRV_PCM_FORMAT_LAST; ++fmt)
+ pcm_for_each_format(fmt)
if (fp->formats & pcm_format_to_bits(fmt))
snd_iprintf(buffer, " %s",
snd_pcm_format_name(fmt));
@@ -110,6 +128,28 @@
if (subs->speed != USB_SPEED_FULL)
snd_iprintf(buffer, " Data packet interval: %d us\n",
125 * (1 << fp->datainterval));
+ snd_iprintf(buffer, " Bits: %d\n", fp->fmt_bits);
+
+ if (fp->dsd_raw)
+ snd_iprintf(buffer, " DSD raw: DOP=%d, bitrev=%d\n",
+ fp->dsd_dop, fp->dsd_bitrev);
+
+ if (fp->chmap) {
+ const struct snd_pcm_chmap_elem *map = fp->chmap;
+ int c;
+
+ snd_iprintf(buffer, " Channel map:");
+ for (c = 0; c < map->channels; c++) {
+ if (map->map[c] >= ARRAY_SIZE(channel_labels) ||
+ !channel_labels[map->map[c]])
+ snd_iprintf(buffer, " --");
+ else
+ snd_iprintf(buffer, " %s",
+ channel_labels[map->map[c]]);
+ }
+ snd_iprintf(buffer, "\n");
+ }
+
// snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
// snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
}
@@ -167,12 +207,10 @@
void snd_usb_proc_pcm_format_add(struct snd_usb_stream *stream)
{
- struct snd_info_entry *entry;
char name[32];
struct snd_card *card = stream->chip->card;
sprintf(name, "stream%d", stream->pcm_index);
- if (!snd_card_proc_new(card, name, &entry))
- snd_info_set_text_ops(entry, stream, proc_pcm_format_read);
+ snd_card_ro_proc_new(card, name, stream, proc_pcm_format_read);
}
--
Gitblit v1.6.2