January 2022 - Alsa-devel - mailman.alsa-project.org

[PATCH v2 3/5] ASoC: sh: rz-ssi: Drop ssi parameter from rz_ssi_stream_init()
by Lad Prabhakar 15 Jan '22

15 Jan '22

ssi parameter is unused in rz_ssi_stream_init() so just drop it. While at it, change the return type of rz_ssi_stream_init() to void instead of int. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj(a)bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- v1->v2 * No change --- sound/soc/sh/rz-ssi.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/sound/soc/sh/rz-ssi.c b/sound/soc/sh/rz-ssi.c index 89428945d48b..50699e94772b 100644 --- a/sound/soc/sh/rz-ssi.c +++ b/sound/soc/sh/rz-ssi.c @@ -201,9 +201,8 @@ static int rz_ssi_stream_is_valid(struct rz_ssi_priv *ssi, return ret; } -static int rz_ssi_stream_init(struct rz_ssi_priv *ssi, - struct rz_ssi_stream *strm, - struct snd_pcm_substream *substream) +static void rz_ssi_stream_init(struct rz_ssi_stream *strm, + struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -219,8 +218,6 @@ static int rz_ssi_stream_init(struct rz_ssi_priv *ssi, /* fifo init */ strm->fifo_sample_size = SSI_FIFO_DEPTH; - - return 0; } static void rz_ssi_stream_quit(struct rz_ssi_priv *ssi, @@ -723,9 +720,7 @@ static int rz_ssi_dai_trigger(struct snd_pcm_substream *substream, int cmd, rz_ssi_reg_mask_setl(ssi, SSIFCR, SSIFCR_SSIRST, 0); udelay(5); - ret = rz_ssi_stream_init(ssi, strm, substream); - if (ret) - goto done; + rz_ssi_stream_init(strm, substream); if (ssi->dma_rt) { bool is_playback; -- 2.17.1

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[PATCH v2 2/5] ASoC: sh: rz-ssi: Make the data structures available before registering the handlers
by Lad Prabhakar 15 Jan '22

15 Jan '22

Initialize the spinlock and make the data structures available before registering the interrupt handlers. Reported-by: Pavel Machek <pavel(a)denx.de> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj(a)bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- v1->v2 * No change --- sound/soc/sh/rz-ssi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/sh/rz-ssi.c b/sound/soc/sh/rz-ssi.c index 637802117c6c..89428945d48b 100644 --- a/sound/soc/sh/rz-ssi.c +++ b/sound/soc/sh/rz-ssi.c @@ -972,6 +972,9 @@ static int rz_ssi_probe(struct platform_device *pdev) ssi->playback.priv = ssi; ssi->capture.priv = ssi; + spin_lock_init(&ssi->lock); + dev_set_drvdata(&pdev->dev, ssi); + /* Error Interrupt */ ssi->irq_int = platform_get_irq_byname(pdev, "int_req"); if (ssi->irq_int < 0) @@ -1019,8 +1022,6 @@ static int rz_ssi_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_resume_and_get(&pdev->dev); - spin_lock_init(&ssi->lock); - dev_set_drvdata(&pdev->dev, ssi); ret = devm_snd_soc_register_component(&pdev->dev, &rz_ssi_soc_component, rz_ssi_soc_dai, ARRAY_SIZE(rz_ssi_soc_dai)); -- 2.17.1

1 0

Behringer UMC202HD issues and a partial solution
by Nandakumar Edamana 15 Jan '22

15 Jan '22

Trying to make my Behringer UMC202HD audio interface work with GNU/Linux. While doing so, I managed to make a warning disappear by editing a file in the kernel source. The main issue I'm having with the interface isn't gone, and I am not sure whether to bother you people with that now. However I'd like to read your comments on the edit I made regarding the warning. Details: - Product: 1397:0507 BEHRINGER International GmbH UMC202HD 192k - dmesg warning: clock source 41 is not valid, cannot use - kernel: linux-5.15.13 - Edit that made the warning disappear: $ diff -u sound/usb/clock.c.orig sound/usb/clock.c --- sound/usb/clock.c.orig 2022-01-13 08:14:49.555281286 +0530 +++ sound/usb/clock.c 2022-01-13 08:18:38.004618792 +0530 @@ -180,7 +180,11 @@ * Sample rate changes takes more than 2 seconds for this device. Clock * validity request returns false during that period. */ - if (chip->usb_id == USB_ID(0x07fd, 0x0004)) { + if (chip->usb_id == USB_ID(0x07fd, 0x0004) || + /* Trying the same for BEHRINGER International GmbH UMC202HD 192k */ + chip->usb_id == USB_ID(0x1397, 0x0507) + ) + { count = 0; while ((!ret) && (count < 50)) { Yes, I was just adding the ID of UMC202HD to an existing workaround. I'm not sure if the device's clock should actually be accepted (but I think so because the retry works, right?), or if two seconds is the right delay for UMC202HD. The real issue I'm having with this device is related to the periodic stuttering/pops while playback (recording is okay). I remember having read that UMC20x is well-supported in Linux. Maybe now they're using a different firmware version or something? If you are interested, here is a list of things I've already tried: - Different ports, including USB 2.0, and disabling xHCI using `setpci` - Disconnecting other USB devices - Disabling wireless - Making sure speech-dispatcher isn't running - Old and new GNU/Linux distros on different computers - Switching sound servers (PulseAudio and JACK) and direct ALSA - Different sampling rates, buffer sizes, etc. - Lower volume levels - Making sure there are no xruns - tsched=0 and 1 for module-udev-detect (pulse) - realtime-scheduling, high-priority, and nice-level (pulse) - Choosing Performance mode for CPU Governer and disabling Intel Boost (as recommended by Ubuntu Studio dashboard) - lowlatency kernel - A recent kernel (v5.15.13) built from source with oldconfig - Clock source workaround in sound/usb/clock.c - Quirk entries in sound/usb/implicit.c (I won't claim I did it right) Again, I'd like to hear your comments on the clock detection workaround first, since that's the only thing I seem to have solved with all these hours spent (except for learning a lot, of course). But if you have time, please consider the second (main) issue also. Maybe I'm posting this in the wrong place; if so, please let me know where to repost it (official forum or a kernel mailing list). Thank you, -- Nandakumar Edamana https://nandakumar.org GPG Key: https://nandakumar.org/contact/gpgkey.asc GPG Key Fingerprint: BA6B 8FDE 644F F861 B638 3E2F 45D6 05FC 646A F75D

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[PATCH 0/3] (Re)enable DP/HDMI audio for RK3399 Gru
by Brian Norris 14 Jan '22

14 Jan '22

This series fixes DP/HDMI audio for RK3399 Gru systems. First, there was a regression with the switch to SPDIF. Patch 1 can be taken separately as a regression fix if desired. But it's not quite so useful (at least on Chrome OS systems) without the second part. Second, jack detection was never upstreamed, because the hdmi-codec dependencies were still being worked out when this platform was first supported. Patches cover a few subsystems. Perhaps this is something for arm-soc? Brian Norris (3): arm64: dts: rockchip: Switch RK3399-Gru DP to SPDIF output drm/rockchip: cdn-dp: Support HDMI codec plug-change callback ASoC: rk3399_gru_sound: Wire up DP jack detection arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 10 +++---- drivers/gpu/drm/rockchip/cdn-dp-core.c | 28 ++++++++++++++++++++ drivers/gpu/drm/rockchip/cdn-dp-core.h | 4 +++ sound/soc/rockchip/rk3399_gru_sound.c | 20 ++++++++++++++ 4 files changed, 57 insertions(+), 5 deletions(-) -- 2.34.1.703.g22d0c6ccf7-goog

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[PATCH] ALSA: hda/realtek: fix speakers and micmute on HP 855 G8
by Alexander Sergeyev 14 Jan '22

14 Jan '22

There are several PCI ids associated with HP EliteBook 855 G8 Notebook PC. Commit 0e68c4b11f1e6 ("ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8") covers 0x103c:0x8896, while this commit covers 0x103c:0x8895 which needs some additional work on top of the quirk from 0e68c4b11f1e6. Note that the device can boot up with working speakers and micmute LED without this patch, but the success rate would be quite low (order of 16 working boots across 709 boots) at least for the built-in drivers scenario. This also means that there are some timing issues during early boot and this patch is a workaround. Changes are tested on v5.16. Speakers and headphones are consistenly working, as well as mute/micmute LEDs and the internal microphone. Signed-off-by: Alexander Sergeyev <sergeev917(a)gmail.com> --- sound/pci/hda/patch_realtek.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 28255e752c4a..b809de2b9759 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6784,6 +6784,7 @@ enum { ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE, ALC233_FIXUP_NO_AUDIO_JACK, ALC256_FIXUP_MIC_NO_PRESENCE_AND_RESUME, + ALC285_FIXUP_HP_SPEAKERS_MICMUTE_LED, }; static const struct hda_fixup alc269_fixups[] = { @@ -8514,6 +8515,16 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC }, + [ALC285_FIXUP_HP_SPEAKERS_MICMUTE_LED] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + { 0x20, AC_VERB_SET_COEF_INDEX, 0x19 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x8e11 }, + { } + }, + .chained = true, + .chain_id = ALC285_FIXUP_HP_MUTE_LED, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -8727,6 +8738,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8870, "HP ZBook Fury 15.6 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8873, "HP ZBook Studio 15.6 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x888d, "HP ZBook Power 15.6 inch G8 Mobile Workstation PC", ALC236_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8895, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_SPEAKERS_MICMUTE_LED), SND_PCI_QUIRK(0x103c, 0x8896, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x8898, "HP EliteBook 845 G8 Notebook PC", ALC285_FIXUP_HP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x103c, 0x88d0, "HP Pavilion 15-eh1xxx (mainboard 88D0)", ALC287_FIXUP_HP_GPIO_LED), -- 2.34.1

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[PATCH 2/2] ASoC: dt-bindings: add bindings for TI TAS5805M.
by Daniel Beer 14 Jan '22

14 Jan '22

The TAS5805M is a class D speaker amplifier with integrated DSP. The example here includes a tested flat configuration for mono (PBTL) output. Signed-off-by: Daniel Beer <daniel.beer(a)igorinstitute.com> --- .../devicetree/bindings/sound/tas5805m.yaml | 201 ++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tas5805m.yaml diff --git a/Documentation/devicetree/bindings/sound/tas5805m.yaml b/Documentation/devicetree/bindings/sound/tas5805m.yaml new file mode 100644 index 000000000000..162008e6a1ed --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tas5805m.yaml @@ -0,0 +1,201 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/tas5805m.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TAS5805M audio amplifier + +maintainers: + - Daniel Beer <daniel.beer(a)igorinstitute.com> + +description: | + The TAS5805M is a class D audio amplifier with a built-in DSP. + +properties: + compatible: + enum: + - ti,tas5805m + + reg: + maxItems: 1 + description: | + I2C address of the amplifier. See the datasheet for possible values. + + pvdd-supply: + description: | + Regulator for audio power supply (PVDD in the datasheet). + + pdn-gpio: + description: | + Power-down control GPIO (PDN pin in the datasheet). + + ti,dsp-config: | + description: | + A byte sequence giving DSP configuration. Each pair of bytes, in + sequence, gives a register address and a value to write. If you + are taking this data from TI's PPC3 tool, this should contain only + the register writes following the 5ms delay. + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + tas5805m: tas5805m@2c { + reg = <0x2c>; + compatible = "ti,tas5805m"; + status = "ok"; + + pvdd-supply = <&audiopwr>; + pdn-gpio = <&tlmm 160 0>; + + // Mono PBTL DSP configuration + ti,dsp-config = [ + 00 00 7f 00 03 00 00 00 7f 00 46 01 00 00 7f 00 + 03 02 00 00 7f 00 78 80 00 00 7f 00 61 0b 60 01 + 7d 11 7e ff 00 01 51 05 00 00 02 04 53 00 54 00 + 00 00 00 00 00 00 00 00 00 00 7f 00 66 87 7f 8c + 00 29 18 00 19 40 1a 26 1b e7 1c 00 1d 40 1e 26 + 1f e7 20 00 21 00 22 00 23 00 24 00 25 00 26 00 + 27 00 00 2a 24 00 25 80 26 00 27 00 28 00 29 80 + 2a 00 2b 00 30 00 31 71 32 94 33 9a 00 2c 0c 00 + 0d 00 0e 00 0f 00 10 00 11 00 12 00 13 00 14 00 + 15 80 16 00 17 00 18 00 19 00 1a 00 1b 00 1c 00 + 1d 80 1e 00 1f 00 20 00 21 00 22 00 23 00 28 00 + 29 80 2a 00 2b 00 2c 00 2d 00 2e 00 2f 00 34 00 + 35 80 36 00 37 00 38 00 39 00 3a 00 3b 00 48 00 + 49 80 4a 00 4b 00 4c 00 4d 00 4e 00 4f 00 5c 00 + 5d 00 5e 57 5f 62 60 00 61 89 62 37 63 4c 64 08 + 65 13 66 85 67 62 68 40 69 00 6a 00 6b 00 6c 02 + 6d 66 6e c4 6f 1b 74 00 75 80 76 00 77 00 00 2d + 18 7d 19 99 1a 3b 1b e5 1c 00 1d 00 1e 57 1f 62 + 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 + 28 00 29 00 2a 00 2b 00 2c 00 2d 80 2e 00 2f 00 + 00 2e 24 11 25 3d 26 c3 27 1a 00 00 7f aa 00 24 + 18 08 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 + 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 + 28 00 29 00 2a 00 2b 00 2c 08 2d 00 2e 00 2f 00 + 30 00 31 00 32 00 33 00 34 00 35 00 36 00 37 00 + 38 00 39 00 3a 00 3b 00 3c 00 3d 00 3e 00 3f 00 + 40 08 41 00 42 00 43 00 44 00 45 00 46 00 47 00 + 48 00 49 00 4a 00 4b 00 4c 00 4d 00 4e 00 4f 00 + 50 00 51 00 52 00 53 00 54 08 55 00 56 00 57 00 + 58 00 59 00 5a 00 5b 00 5c 00 5d 00 5e 00 5f 00 + 60 00 61 00 62 00 63 00 64 00 65 00 66 00 67 00 + 68 08 69 00 6a 00 6b 00 6c 00 6d 00 6e 00 6f 00 + 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68 00 69 00 6a 00 6b 00 6c ff 6d 81 6e 47 6f ae + 70 f9 71 06 72 21 73 a9 74 fe 75 01 76 c0 77 79 + 78 00 79 00 7a 00 7b 00 7c 00 7d 00 7e 00 7f 00 + 00 00 7f aa 00 2e 40 01 41 d7 42 e8 43 0a 44 01 + 45 d7 46 e8 47 0a 48 01 49 d7 4a e8 4b 0a 4c 68 + 4d 82 4e f5 4f bf 50 a7 51 9a 52 74 53 5a 00 2b + 20 6a 21 5a 22 dd 23 c9 24 95 25 a5 26 22 27 37 + 28 6a 29 5a 2a dd 2b c9 2c 68 2d 82 2e f5 2f bf + 30 a7 31 9a 32 74 33 5a 0c 6a 0d 5a 0e dd 0f c9 + 10 95 11 a5 12 22 13 37 14 6a 15 5a 16 dd 17 c9 + 18 68 19 82 1a f5 1b bf 1c a7 1d 9a 1e 74 1f 5a + 00 2a 34 00 35 01 36 64 37 0a 38 00 39 01 3a 64 + 3b 0a 3c 00 3d 01 3e 64 3f 0a 40 7e 41 d0 42 b5 + 43 2d 44 82 45 59 46 05 47 7b 00 00 7f 8c 00 2d + 30 01 31 53 32 8f 33 cc 34 01 35 53 36 8f 37 cc + 38 00 39 03 3a 69 3b c5 3c 00 3d 00 3e 00 3f 00 + 40 00 41 00 42 00 43 00 44 ff 45 81 46 47 47 ae + 48 f9 49 06 4a 21 4b a9 4c fe 4d 01 4e c0 4f 79 + 50 00 51 00 52 00 53 00 54 00 55 00 56 00 57 00 + 00 00 7f aa 00 2a 5c 7e 5d d2 5e 19 5f 37 60 81 + 61 2d 62 e6 63 c9 64 7e 65 d2 66 19 67 37 68 7e + 69 d0 6a b5 6b 2d 6c 82 6d 59 6e 05 6f 7b 70 7e + 71 d2 72 19 73 37 74 81 75 2d 76 e6 77 c9 78 7e + 79 d2 7a 19 7b 37 7c 7e 7d d0 7e b5 7f 2d 00 2b + 08 82 09 59 0a 05 0b 7b 00 2e 54 01 55 d7 56 e8 + 57 0a 58 01 59 d7 5a e8 5b 0a 5c 01 5d d7 5e e8 + 5f 0a 60 68 61 82 62 f5 63 bf 64 a7 65 9a 66 74 + 67 5a 00 00 7f 8c 00 2e 10 00 11 80 12 00 13 00 + 0c 00 0d 80 0e 00 0f 00 08 00 09 80 0a 00 0b 00 + 18 00 19 80 1a 00 1b 00 1c 40 1d 00 1e 00 1f 00 + 20 40 21 00 22 00 23 00 00 00 7f 00 30 00 4c 30 + 03 03 00 00 7f 00 78 80 + ]; + }; + }; -- 2.30.2

3 4

[PATCH v4 0/1] firmware: mtk: add adsp ipc protocol for sof
by allen-kh.cheng 14 Jan '22

14 Jan '22

From: Allen-KH Cheng <Allen-KH.Cheng(a)mediatek.com> This patch provides mtk adsp ipc support for sof. ADSP IPC protocol offers (send/recv) interfaces using mediatek-mailbox APIs. changes since v3: - rebase on v5.16-rc8 - update reviewers changes since v2: - add out tag for two memroy free phases changes since v1: - add comments for mtk_adsp_ipc_send and mtk_adsp_ipc_recv - remove unuseful MODULE_LICENSE - change label name to out_free Allen-KH Cheng (1): firmware: mediatek: add adsp ipc protocol interface drivers/firmware/Kconfig | 1 + drivers/firmware/Makefile | 1 + drivers/firmware/mediatek/Kconfig | 9 + drivers/firmware/mediatek/Makefile | 2 + drivers/firmware/mediatek/mtk-adsp-ipc.c | 160 ++++++++++++++++++ .../linux/firmware/mediatek/mtk-adsp-ipc.h | 65 +++++++ 6 files changed, 238 insertions(+) create mode 100644 drivers/firmware/mediatek/Kconfig create mode 100644 drivers/firmware/mediatek/Makefile create mode 100644 drivers/firmware/mediatek/mtk-adsp-ipc.c create mode 100644 include/linux/firmware/mediatek/mtk-adsp-ipc.h -- 2.18.0

1 1

[PATCH v13 0/2] Mediatek ADSP mailbox controller support for MT8195
by allen-kh.cheng 14 Jan '22

14 Jan '22

From: Allen-KH Cheng <Allen-KH.Cheng(a)mediatek.com> Mediatek ADSP IPC is used to send notification or short message between processors with dsp.· It will place the message to the share buffer and will access the ADSP mailbox registers to kick dsp. Two mailboxes used to send notification or short message between processors with dsp changes since v12: - remove of_device_get_match_data ptr check: of_device_get_match_data(dev) will never going to return NULL. driver probe with compatible mediatek,mt8195-adsp-mbox. changes since v11: - remove unuseful MODULE_LICENSE changes since v10: - split up v9 into two separate submissions https://patchwork.kernel.org/project/linux-mediatek/patch/20220111071011.59… changes since v9: - rename adsp_mbox_chan_ops to mtk_adsp_mbox_chan_ops changes since v8: - remove struct adsp_mbox_ch_info - add get_mtk_adsp_mbox_priv - use mtk_adsp_mbox_priv va_mboxreg address in adsp mbox driver - add struct mtk_adsp_mbox_cfg for DSP mbox register offset - remove adsp mbox register offset hard code define - remove mtk-adsp-ipc.h reference in adsp mbox driver changes since v7: - add mtk prefix for adsp ipc functions - rename adsp_mbox_ch_info to mtk_adsp_mbox_ch_info - remove incorrect reviewers in commit message changes since v6: - dt-bindings: change example dtsi node. - rename config MTK_ADSP_IPC_MBOX to MTK_ADSP_MBOX - remove unused variable - add reviewers changes since v5: - remove some redundant code changes since v4: - use switch ... case in adsp_ipc_recv - add error handling path for chan_name pointer - refine some code to be concise changes since v3: - reorder MTK_ADSP_IPC_MBOX config - remove some redundant code - remove lock in mtk-adsp-mailbox changes since v2: - separate adsp_mailbox into two instances changes since v1: - fix dt_binding_check error Allen-KH Cheng (2): dt-bindings: mediatek: add adsp-mbox document mailbox: mediatek: add support for adsp mailbox controller .../bindings/mailbox/mtk,adsp-mbox.yaml | 52 ++++++ drivers/mailbox/Kconfig | 7 + drivers/mailbox/Makefile | 2 + drivers/mailbox/mtk-adsp-mailbox.c | 172 ++++++++++++++++++ 4 files changed, 233 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml create mode 100644 drivers/mailbox/mtk-adsp-mailbox.c -- 2.18.0

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[PATCH v2 0/2] ASoC: add support for TAS5805M digital amplifier
by Daniel Beer 14 Jan '22

14 Jan '22

This pair of patches implements support for the TAS5805M class D audio amplifier. This driver, and the example configuration in the device-tree file, were originally based on a 4.19 series kernel and have been modified slightly from the tested version. This resubmission differs from the first as follows: - Some explanatory comments and constants have been introduced - The volume control allows L/R to be set independently - gpiod is used, and regmap is used directly - .trigger is used instead of DAPM to coordinate DSP boot - The component is manually registered after power-on, and explicitly deregistered prior to power-off - Corrections have been made to the bindings file Daniel Beer (2): ASoC: add support for TAS5805M digital amplifier ASoC: dt-bindings: add bindings for TI TAS5805M. .../devicetree/bindings/sound/tas5805m.yaml | 204 +++++++ sound/soc/codecs/Kconfig | 9 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/tas5805m.c | 554 ++++++++++++++++++ 4 files changed, 769 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tas5805m.yaml create mode 100644 sound/soc/codecs/tas5805m.c -- 2.30.2

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[PATCH v3 0/1] firmware: mtk: add adsp ipc protocol for sof
by allen-kh.cheng 13 Jan '22

13 Jan '22

From: Allen-KH Cheng <Allen-KH.Cheng(a)mediatek.com> This patch provides mtk adsp ipc support for sof. ADSP IPC protocol offers (send/recv) interfaces using mediatek-mailbox APIs. changes since v2: - add out tag for two memroy free phases changes since v1: - add comments for mtk_adsp_ipc_send and mtk_adsp_ipc_recv - remove unuseful MODULE_LICENSE - change label name to out_free Allen-KH Cheng (1): firmware: mediatek: add adsp ipc protocol interface drivers/firmware/Kconfig | 1 + drivers/firmware/Makefile | 1 + drivers/firmware/mediatek/Kconfig | 9 + drivers/firmware/mediatek/Makefile | 2 + drivers/firmware/mediatek/mtk-adsp-ipc.c | 160 ++++++++++++++++++ .../linux/firmware/mediatek/mtk-adsp-ipc.h | 65 +++++++ 6 files changed, 238 insertions(+) create mode 100644 drivers/firmware/mediatek/Kconfig create mode 100644 drivers/firmware/mediatek/Makefile create mode 100644 drivers/firmware/mediatek/mtk-adsp-ipc.c create mode 100644 include/linux/firmware/mediatek/mtk-adsp-ipc.h -- 2.18.0

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