497 lines
16 KiB
Diff
497 lines
16 KiB
Diff
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From 54dc243ad6ea802967fd4efdb4f75facc19fa950 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Fri, 29 Apr 2016 17:29:03 +0100
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Subject: [PATCH 318/381] Revert "bcm2835: implement channel map API"
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This reverts commit 5efba3f8c180c39609a8d40033ef92046ef0de75.
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---
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sound/arm/bcm2835-ctl.c | 299 ----------------------------------------------
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sound/arm/bcm2835-pcm.c | 69 ++---------
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sound/arm/bcm2835-vchiq.c | 13 --
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sound/arm/bcm2835.h | 4 -
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4 files changed, 7 insertions(+), 378 deletions(-)
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--- a/sound/arm/bcm2835-ctl.c
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+++ b/sound/arm/bcm2835-ctl.c
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@@ -327,304 +327,6 @@ static struct snd_kcontrol_new snd_bcm28
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},
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};
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-struct cea_channel_speaker_allocation {
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- int ca_index;
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- int speakers[8];
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-};
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-
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-#define FL SNDRV_CHMAP_FL
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-#define FR SNDRV_CHMAP_FR
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-#define RL SNDRV_CHMAP_RL
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-#define RR SNDRV_CHMAP_RR
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-#define LFE SNDRV_CHMAP_LFE
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-#define FC SNDRV_CHMAP_FC
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-#define RLC SNDRV_CHMAP_RLC
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-#define RRC SNDRV_CHMAP_RRC
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-#define RC SNDRV_CHMAP_RC
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-#define FLC SNDRV_CHMAP_FLC
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-#define FRC SNDRV_CHMAP_FRC
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-#define FLH SNDRV_CHMAP_TFL
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-#define FRH SNDRV_CHMAP_TFR
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-#define FLW SNDRV_CHMAP_FLW
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-#define FRW SNDRV_CHMAP_FRW
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-#define TC SNDRV_CHMAP_TC
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-#define FCH SNDRV_CHMAP_TFC
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-
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-/*
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- * CEA-861 channel maps
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- *
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- * Stolen from sound/pci/hda/patch_hdmi.c
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- * (unlike the source, this uses SNDRV_* constants directly, as by the
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- * map_tables array in patch_hdmi.c)
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- * Unknown entries use 0, which unfortunately is SNDRV_CHMAP_UNKNOWN instead
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- * of SNDRV_CHMAP_NA.
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- */
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-static struct cea_channel_speaker_allocation channel_allocations[] = {
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-/* channel: 7 6 5 4 3 2 1 0 */
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-{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
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- /* 2.1 */
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-{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
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- /* Dolby Surround */
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-{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
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- /* surround40 */
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-{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
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- /* surround41 */
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-{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
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- /* surround50 */
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-{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
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- /* surround51 */
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-{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
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- /* 6.1 */
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-{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
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- /* surround71 */
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-{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
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-
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-{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
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-{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
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-{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
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-{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
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-{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
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-{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
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-{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
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-{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
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-{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
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-{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
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-{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
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-{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
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-{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
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-{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
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-{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
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-{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
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-{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
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-{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
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-{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
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-{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
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-{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
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-{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
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-{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
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-{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
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-{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
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-{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
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-};
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-
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-static int snd_bcm2835_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
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- unsigned int size, unsigned int __user *tlv)
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-{
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- unsigned int __user *dst;
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- int count = 0;
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- int i;
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-
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- if (size < 8)
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- return -ENOMEM;
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- if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
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- return -EFAULT;
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- size -= 8;
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- dst = tlv + 2;
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- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
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- struct cea_channel_speaker_allocation *ch = &channel_allocations[i];
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- int num_chs = 0;
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- int chs_bytes;
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- int c;
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-
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- for (c = 0; c < 8; c++) {
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- if (ch->speakers[c])
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- num_chs++;
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- }
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-
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- chs_bytes = num_chs * 4;
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- if (size < 8)
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- return -ENOMEM;
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- if (put_user(SNDRV_CTL_TLVT_CHMAP_FIXED, dst) ||
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- put_user(chs_bytes, dst + 1))
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- return -EFAULT;
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- dst += 2;
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- size -= 8;
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- count += 8;
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- if (size < chs_bytes)
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- return -ENOMEM;
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- size -= chs_bytes;
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- count += chs_bytes;
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- for (c = 0; c < 8; c++) {
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- int sp = ch->speakers[7 - c];
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- if (sp) {
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- if (put_user(sp, dst))
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- return -EFAULT;
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- dst++;
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- }
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- }
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- }
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- if (put_user(count, tlv + 1))
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- return -EFAULT;
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- return 0;
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-}
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-
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-static int snd_bcm2835_chmap_ctl_get(struct snd_kcontrol *kcontrol,
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- struct snd_ctl_elem_value *ucontrol)
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-{
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- struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
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- bcm2835_chip_t *chip = info->private_data;
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- unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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- struct snd_pcm_substream *substream = snd_pcm_chmap_substream(info, idx);
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- struct cea_channel_speaker_allocation *ch = NULL;
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- int res = 0;
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- int cur = 0;
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- int i;
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-
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- if (mutex_lock_interruptible(&chip->audio_mutex))
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- return -EINTR;
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-
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- if (!substream || !substream->runtime) {
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- res = -ENODEV;
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- goto unlock;
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- }
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-
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- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
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- if (channel_allocations[i].ca_index == chip->cea_chmap)
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- ch = &channel_allocations[i];
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- }
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-
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- /* If no layout was set yet, return a dummy. Apparently the userspace
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- * API will be confused if we don't. */
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- if (!ch)
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- ch = &channel_allocations[0];
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-
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- for (i = 0; i < 8; i++) {
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- if (ch->speakers[7 - i])
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- ucontrol->value.integer.value[cur++] = ch->speakers[7 - i];
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- }
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- while (cur < 8)
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- ucontrol->value.integer.value[cur++] = SNDRV_CHMAP_NA;
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-
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-unlock:
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- mutex_unlock(&chip->audio_mutex);
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- return res;
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-}
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-
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-static int snd_bcm2835_chmap_ctl_put(struct snd_kcontrol *kcontrol,
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- struct snd_ctl_elem_value *ucontrol)
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-{
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- struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
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- bcm2835_chip_t *chip = info->private_data;
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- unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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- struct snd_pcm_substream *substream = snd_pcm_chmap_substream(info, idx);
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- int i, prepared = 0, cea_chmap = -1;
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- int res = 0;
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- int remap[8];
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-
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- if (mutex_lock_interruptible(&chip->audio_mutex))
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- return -EINTR;
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-
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- if (!substream || !substream->runtime) {
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- res = -ENODEV;
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- goto unlock;
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- }
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-
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- switch (substream->runtime->status->state) {
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- case SNDRV_PCM_STATE_OPEN:
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- case SNDRV_PCM_STATE_SETUP:
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- break;
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- case SNDRV_PCM_STATE_PREPARED:
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- prepared = 1;
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- break;
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- default:
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- res = -EBUSY;
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- goto unlock;
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- }
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-
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- for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
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- struct cea_channel_speaker_allocation *ch = &channel_allocations[i];
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- int matches = 1;
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- int cur = 0;
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- int x;
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- memset(remap, 0, sizeof(remap));
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- for (x = 0; x < substream->runtime->channels; x++) {
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- int sp = ucontrol->value.integer.value[x];
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- while (cur < 8 && !ch->speakers[7 - cur])
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- cur++;
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- if (cur >= 8) {
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- /* user has more channels than ch */
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- matches = 0;
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- break;
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- }
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- if (ch->speakers[7 - cur] != sp) {
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- matches = 0;
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- break;
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- }
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- remap[x] = cur;
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- cur++;
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- }
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- for (x = cur; x < 8; x++) {
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- if (ch->speakers[7 - x]) {
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- /* ch has more channels than user */
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- matches = 0;
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- break;
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- }
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- }
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- if (matches) {
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- cea_chmap = ch->ca_index;
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- break;
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- }
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- }
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-
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- if (cea_chmap < 0) {
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- res = -EINVAL;
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- goto unlock;
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- }
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-
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- /* don't change the layout if another substream is active */
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- if (chip->opened != (1 << substream->number) && chip->cea_chmap != cea_chmap) {
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- res = -EBUSY; /* unsure whether this is a good error code */
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- goto unlock;
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- }
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-
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- chip->cea_chmap = cea_chmap;
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- for (i = 0; i < 8; i++)
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- chip->map_channels[i] = remap[i];
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- if (prepared)
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- snd_bcm2835_pcm_prepare_again(substream);
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-
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-unlock:
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- mutex_unlock(&chip->audio_mutex);
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- return res;
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-}
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-
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-static int snd_bcm2835_add_chmap_ctl(bcm2835_chip_t * chip)
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-{
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- struct snd_pcm_chmap *chmap;
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- struct snd_kcontrol *kctl;
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|
|
- int err, i;
|
||
|
|
-
|
||
|
|
- err = snd_pcm_add_chmap_ctls(chip->pcm,
|
||
|
|
- SNDRV_PCM_STREAM_PLAYBACK,
|
||
|
|
- NULL, 8, 0, &chmap);
|
||
|
|
- if (err < 0)
|
||
|
|
- return err;
|
||
|
|
- /* override handlers */
|
||
|
|
- chmap->private_data = chip;
|
||
|
|
- kctl = chmap->kctl;
|
||
|
|
- for (i = 0; i < kctl->count; i++)
|
||
|
|
- kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
|
||
|
|
- kctl->get = snd_bcm2835_chmap_ctl_get;
|
||
|
|
- kctl->put = snd_bcm2835_chmap_ctl_put;
|
||
|
|
- kctl->tlv.c = snd_bcm2835_chmap_ctl_tlv;
|
||
|
|
- return 0;
|
||
|
|
-}
|
||
|
|
-
|
||
|
|
int snd_bcm2835_new_ctl(bcm2835_chip_t * chip)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
@@ -638,7 +340,6 @@ int snd_bcm2835_new_ctl(bcm2835_chip_t *
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
- snd_bcm2835_add_chmap_ctl(chip);
|
||
|
|
for (idx = 0; idx < ARRAY_SIZE(snd_bcm2835_spdif); idx++) {
|
||
|
|
err = snd_ctl_add(chip->card,
|
||
|
|
snd_ctl_new1(&snd_bcm2835_spdif[idx], chip));
|
||
|
|
--- a/sound/arm/bcm2835-pcm.c
|
||
|
|
+++ b/sound/arm/bcm2835-pcm.c
|
||
|
|
@@ -19,9 +19,6 @@
|
||
|
|
|
||
|
|
#include "bcm2835.h"
|
||
|
|
|
||
|
|
-/* The hardware can not do much more num_channels*samplerate then this value */
|
||
|
|
-#define MAX_COMBINED_RATE 768000
|
||
|
|
-
|
||
|
|
/* hardware definition */
|
||
|
|
static struct snd_pcm_hardware snd_bcm2835_playback_hw = {
|
||
|
|
.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
||
|
|
@@ -110,31 +107,6 @@ static irqreturn_t bcm2835_playback_fifo
|
||
|
|
return IRQ_HANDLED;
|
||
|
|
}
|
||
|
|
|
||
|
|
-
|
||
|
|
-static int rate_hw_constraint_rate(struct snd_pcm_hw_params *params,
|
||
|
|
- struct snd_pcm_hw_rule *rule)
|
||
|
|
-{
|
||
|
|
- struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
|
||
|
|
- struct snd_interval rates = {
|
||
|
|
- .min = 8000,
|
||
|
|
- .max = min(192000u, MAX_COMBINED_RATE / max(channels->min, 1u)),
|
||
|
|
- };
|
||
|
|
- struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
|
||
|
|
- return snd_interval_refine(rate, &rates);
|
||
|
|
-}
|
||
|
|
-
|
||
|
|
-static int rate_hw_constraint_channels(struct snd_pcm_hw_params *params,
|
||
|
|
- struct snd_pcm_hw_rule *rule)
|
||
|
|
-{
|
||
|
|
- struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
|
||
|
|
- struct snd_interval channels_interval = {
|
||
|
|
- .min = 1,
|
||
|
|
- .max = min(8u, MAX_COMBINED_RATE / max(rate->min, 1u)),
|
||
|
|
- };
|
||
|
|
- struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
|
||
|
|
- return snd_interval_refine(channels, &channels_interval);
|
||
|
|
-}
|
||
|
|
-
|
||
|
|
/* open callback */
|
||
|
|
static int snd_bcm2835_playback_open_generic(
|
||
|
|
struct snd_pcm_substream *substream, int spdif)
|
||
|
|
@@ -216,24 +188,8 @@ static int snd_bcm2835_playback_open_gen
|
||
|
|
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
|
||
|
|
16);
|
||
|
|
|
||
|
|
- /* When playing PCM, pretend that we support the full range of channels
|
||
|
|
- * and sample rates. The GPU can't output it, but is able to resample
|
||
|
|
- * the data to a rate the hardware can handle it. This won't work with
|
||
|
|
- * compressed data; the resampler would just destroy it. */
|
||
|
|
- if (spdif) {
|
||
|
|
- err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
|
||
|
|
- rate_hw_constraint_rate, NULL,
|
||
|
|
- SNDRV_PCM_HW_PARAM_CHANNELS, -1);
|
||
|
|
- err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
|
||
|
|
- rate_hw_constraint_channels, NULL,
|
||
|
|
- SNDRV_PCM_HW_PARAM_RATE, -1);
|
||
|
|
- }
|
||
|
|
-
|
||
|
|
chip->alsa_stream[idx] = alsa_stream;
|
||
|
|
|
||
|
|
- if (!chip->opened)
|
||
|
|
- chip->cea_chmap = -1;
|
||
|
|
-
|
||
|
|
chip->opened |= (1 << idx);
|
||
|
|
alsa_stream->open = 1;
|
||
|
|
alsa_stream->draining = 1;
|
||
|
|
@@ -344,7 +300,8 @@ static int snd_bcm2835_pcm_hw_free(struc
|
||
|
|
return snd_pcm_lib_free_pages(substream);
|
||
|
|
}
|
||
|
|
|
||
|
|
-int snd_bcm2835_pcm_prepare_again(struct snd_pcm_substream *substream)
|
||
|
|
+/* prepare callback */
|
||
|
|
+static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream)
|
||
|
|
{
|
||
|
|
bcm2835_chip_t *chip = snd_pcm_substream_chip(substream);
|
||
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
||
|
|
@@ -352,6 +309,11 @@ int snd_bcm2835_pcm_prepare_again(struct
|
||
|
|
int channels;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
+ audio_info(" .. IN\n");
|
||
|
|
+
|
||
|
|
+ if (mutex_lock_interruptible(&chip->audio_mutex))
|
||
|
|
+ return -EINTR;
|
||
|
|
+
|
||
|
|
/* notify the vchiq that it should enter spdif passthrough mode by
|
||
|
|
* setting channels=0 (see
|
||
|
|
* https://github.com/raspberrypi/linux/issues/528) */
|
||
|
|
@@ -367,23 +329,6 @@ int snd_bcm2835_pcm_prepare_again(struct
|
||
|
|
audio_error(" error setting hw params\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
- return err;
|
||
|
|
-}
|
||
|
|
-
|
||
|
|
-/* prepare callback */
|
||
|
|
-static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream)
|
||
|
|
-{
|
||
|
|
- bcm2835_chip_t *chip = snd_pcm_substream_chip(substream);
|
||
|
|
- struct snd_pcm_runtime *runtime = substream->runtime;
|
||
|
|
- bcm2835_alsa_stream_t *alsa_stream = runtime->private_data;
|
||
|
|
-
|
||
|
|
- audio_info(" .. IN\n");
|
||
|
|
-
|
||
|
|
- if (mutex_lock_interruptible(&chip->audio_mutex))
|
||
|
|
- return -EINTR;
|
||
|
|
-
|
||
|
|
- snd_bcm2835_pcm_prepare_again(substream);
|
||
|
|
-
|
||
|
|
bcm2835_audio_setup(alsa_stream);
|
||
|
|
|
||
|
|
/* in preparation of the stream, set the controls (volume level) of the stream */
|
||
|
|
--- a/sound/arm/bcm2835-vchiq.c
|
||
|
|
+++ b/sound/arm/bcm2835-vchiq.c
|
||
|
|
@@ -570,8 +570,6 @@ int bcm2835_audio_set_params(bcm2835_als
|
||
|
|
VC_AUDIO_MSG_T m;
|
||
|
|
AUDIO_INSTANCE_T *instance = alsa_stream->instance;
|
||
|
|
int32_t success;
|
||
|
|
- uint32_t chmap_value;
|
||
|
|
- int i;
|
||
|
|
int ret;
|
||
|
|
LOG_DBG(" .. IN\n");
|
||
|
|
|
||
|
|
@@ -595,21 +593,10 @@ int bcm2835_audio_set_params(bcm2835_als
|
||
|
|
|
||
|
|
instance->result = -1;
|
||
|
|
|
||
|
|
- if (alsa_stream->chip->cea_chmap >= 0) {
|
||
|
|
- chmap_value = (unsigned)alsa_stream->chip->cea_chmap << 24;
|
||
|
|
- } else {
|
||
|
|
- chmap_value = 0; /* force stereo */
|
||
|
|
- for (i = 0; i < 8; i++)
|
||
|
|
- alsa_stream->chip->map_channels[i] = i;
|
||
|
|
- }
|
||
|
|
- for (i = 0; i < 8; i++)
|
||
|
|
- chmap_value |= alsa_stream->chip->map_channels[i] << (i * 3);
|
||
|
|
-
|
||
|
|
m.type = VC_AUDIO_MSG_TYPE_CONFIG;
|
||
|
|
m.u.config.channels = channels;
|
||
|
|
m.u.config.samplerate = samplerate;
|
||
|
|
m.u.config.bps = bps;
|
||
|
|
- m.u.config.channelmap = chmap_value;
|
||
|
|
|
||
|
|
/* Create the message available completion */
|
||
|
|
init_completion(&instance->msg_avail_comp);
|
||
|
|
--- a/sound/arm/bcm2835.h
|
||
|
|
+++ b/sound/arm/bcm2835.h
|
||
|
|
@@ -107,8 +107,6 @@ typedef struct bcm2835_chip {
|
||
|
|
int old_volume; /* stores the volume value whist muted */
|
||
|
|
int dest;
|
||
|
|
int mute;
|
||
|
|
- int cea_chmap; /* currently requested Audio InfoFrame Data Byte 4 */
|
||
|
|
- int map_channels[8];
|
||
|
|
|
||
|
|
unsigned int opened;
|
||
|
|
unsigned int spdif_status;
|
||
|
|
@@ -151,8 +149,6 @@ int snd_bcm2835_new_ctl(bcm2835_chip_t *
|
||
|
|
int snd_bcm2835_new_pcm(bcm2835_chip_t * chip);
|
||
|
|
int snd_bcm2835_new_spdif_pcm(bcm2835_chip_t * chip);
|
||
|
|
|
||
|
|
-int snd_bcm2835_pcm_prepare_again(struct snd_pcm_substream *substream);
|
||
|
|
-
|
||
|
|
int bcm2835_audio_open(bcm2835_alsa_stream_t * alsa_stream);
|
||
|
|
int bcm2835_audio_close(bcm2835_alsa_stream_t * alsa_stream);
|
||
|
|
int bcm2835_audio_set_params(bcm2835_alsa_stream_t * alsa_stream,
|