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Fix audio output latency

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github-actions[bot]
2026-02-26 08:51:48 +00:00
parent a3a31d014d
commit bdc3cfe5a6
1 changed files with 23 additions and 22 deletions
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1001-Add-apple-bce-driver.patch
+23 -22
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@@ -1,6 +1,7 @@
From 6b6cd186e0187042aaa121f9d3af62a6836a83bc Mon Sep 17 00:00:00 2001
From: Aditya Garg <gargaditya08@live.com>
Date: Sun, 22 Feb 2026 04:00:19 +0000
From 4ef99b787fa01fd3f5845f66cb0a3e1c83150841 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
<41898282+github-actions[bot]@users.noreply.github.com>
Date: Thu, 26 Feb 2026 08:51:45 +0000
Subject: [PATCH] Add apple-bce driver
---
@@ -590,7 +591,7 @@ index 000000000..58dbeff79
+#endif //APPLE_BCE_H
diff --git a/drivers/staging/apple-bce/audio/audio.c b/drivers/staging/apple-bce/audio/audio.c
new file mode 100644
index 000000000..bd16ddd16
index 000000000..16bd50fd1
--- /dev/null
+++ b/drivers/staging/apple-bce/audio/audio.c
@@ -0,0 +1,711 @@
@@ -868,10 +869,10 @@ index 000000000..bd16ddd16
+ dev_err(a->dev, "Failed to get input stream list for device %llx\n", dev_id);
+ goto fail;
+ }
+ if (stream_cnt > AAUDIO_DEIVCE_MAX_INPUT_STREAMS) {
+ if (stream_cnt > AAUDIO_DEVICE_MAX_INPUT_STREAMS) {
+ dev_warn(a->dev, "Device %s input stream count %llu is larger than the supported count of %u\n",
+ sdev->uid, stream_cnt, AAUDIO_DEIVCE_MAX_INPUT_STREAMS);
+ stream_cnt = AAUDIO_DEIVCE_MAX_INPUT_STREAMS;
+ sdev->uid, stream_cnt, AAUDIO_DEVICE_MAX_INPUT_STREAMS);
+ stream_cnt = AAUDIO_DEVICE_MAX_INPUT_STREAMS;
+ }
+ sdev->in_stream_cnt = stream_cnt;
+ for (i = 0; i < stream_cnt; i++) {
@@ -885,17 +886,17 @@ index 000000000..bd16ddd16
+ dev_err(a->dev, "Failed to get output stream list for device %llx\n", dev_id);
+ goto fail;
+ }
+ if (stream_cnt > AAUDIO_DEIVCE_MAX_OUTPUT_STREAMS) {
+ dev_warn(a->dev, "Device %s input stream count %llu is larger than the supported count of %u\n",
+ sdev->uid, stream_cnt, AAUDIO_DEIVCE_MAX_OUTPUT_STREAMS);
+ stream_cnt = AAUDIO_DEIVCE_MAX_OUTPUT_STREAMS;
+ if (stream_cnt > AAUDIO_DEVICE_MAX_OUTPUT_STREAMS) {
+ dev_warn(a->dev, "Device %s output stream count %llu is larger than the supported count of %u\n",
+ sdev->uid, stream_cnt, AAUDIO_DEVICE_MAX_OUTPUT_STREAMS);
+ stream_cnt = AAUDIO_DEVICE_MAX_OUTPUT_STREAMS;
+ }
+ sdev->out_stream_cnt = stream_cnt;
+ for (i = 0; i < stream_cnt; i++) {
+ sdev->out_streams[i].id = stream_list[i];
+ sdev->out_streams[i].buffer_cnt = 0;
+ aaudio_init_stream_info(sdev, &sdev->out_streams[i]);
+ sdev->out_streams[i].latency += sdev->in_latency;
+ sdev->out_streams[i].latency += sdev->out_latency;
+ }
+
+ if (sdev->is_pcm)
@@ -1050,10 +1051,10 @@ index 000000000..bd16ddd16
+{
+ size_t i;
+ strm->buffer_cnt = bs_strm->num_buffers;
+ if (bs_strm->num_buffers > AAUDIO_DEIVCE_MAX_BUFFER_COUNT) {
+ if (bs_strm->num_buffers > AAUDIO_DEVICE_MAX_BUFFER_COUNT) {
+ dev_warn(a->dev, "BufferStruct buffer count %u exceeds driver limit of %u\n", bs_strm->num_buffers,
+ AAUDIO_DEIVCE_MAX_BUFFER_COUNT);
+ strm->buffer_cnt = AAUDIO_DEIVCE_MAX_BUFFER_COUNT;
+ AAUDIO_DEVICE_MAX_BUFFER_COUNT);
+ strm->buffer_cnt = AAUDIO_DEVICE_MAX_BUFFER_COUNT;
+ }
+ if (!strm->buffer_cnt)
+ return;
@@ -1307,7 +1308,7 @@ index 000000000..bd16ddd16
+MODULE_PARM_DESC(id, "ID string for Apple Internal Audio soundcard.");
diff --git a/drivers/staging/apple-bce/audio/audio.h b/drivers/staging/apple-bce/audio/audio.h
new file mode 100644
index 000000000..004bc1e22
index 000000000..ebbfaa116
--- /dev/null
+++ b/drivers/staging/apple-bce/audio/audio.h
@@ -0,0 +1,125 @@
@@ -1323,9 +1324,9 @@ index 000000000..004bc1e22
+#define AAUDIO_SIG 0x19870423
+
+#define AAUDIO_DEVICE_MAX_UID_LEN 128
+#define AAUDIO_DEIVCE_MAX_INPUT_STREAMS 1
+#define AAUDIO_DEIVCE_MAX_OUTPUT_STREAMS 1
+#define AAUDIO_DEIVCE_MAX_BUFFER_COUNT 1
+#define AAUDIO_DEVICE_MAX_INPUT_STREAMS 1
+#define AAUDIO_DEVICE_MAX_OUTPUT_STREAMS 1
+#define AAUDIO_DEVICE_MAX_BUFFER_COUNT 1
+
+#define AAUDIO_BUFFER_ID_NONE 0xffu
+
@@ -1390,9 +1391,9 @@ index 000000000..004bc1e22
+ int alsa_id;
+ char uid[AAUDIO_DEVICE_MAX_UID_LEN + 1];
+ size_t in_stream_cnt;
+ struct aaudio_stream in_streams[AAUDIO_DEIVCE_MAX_INPUT_STREAMS];
+ struct aaudio_stream in_streams[AAUDIO_DEVICE_MAX_INPUT_STREAMS];
+ size_t out_stream_cnt;
+ struct aaudio_stream out_streams[AAUDIO_DEIVCE_MAX_OUTPUT_STREAMS];
+ struct aaudio_stream out_streams[AAUDIO_DEVICE_MAX_OUTPUT_STREAMS];
+ bool is_pcm;
+ struct snd_pcm *pcm;
+ struct snd_jack *jack;
@@ -5931,5 +5932,5 @@ index 000000000..d1e80d8e8
+
+#endif //BCE_VHCI_H
--
2.52.0
2.53.0