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2aa680df |
| 04-Dec-2025 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'sound-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai: "The majority of changes at this time were about ASoC with a lot of c
Merge tag 'sound-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai: "The majority of changes at this time were about ASoC with a lot of code refactoring works. From the functionality POV, there isn't much to see, but we have a wide range of device-specific fixes and updates. Here are some highlights:
- Continued ASoC API cleanup work, spanned over many files
- Added a SoundWire SCDA generic class driver with regmap support
- Enhancements and fixes for Cirrus, Intel, Maxim and Qualcomm.
- Support for ASoC Allwinner A523, Mediatek MT8189, Qualcomm QCM2290, QRB2210 and SM6115, SpacemiT K1, and TI TAS2568, TAS5802, TAS5806, TAS5815, TAS5828 and TAS5830
- Usual HD-audio and USB-audio quirks and fixups
- Support for Onkyo SE-300PCIE, TASCAM IF-FW/DM MkII
Some gpiolib changes for shared GPIOs are included along with this PR for covering ASoC drivers changes"
* tag 'sound-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (739 commits) ALSA: hda/realtek: Add PCI SSIDs to HP ProBook quirks ALSA: usb-audio: Simplify with usb_endpoint_max_periodic_payload() ALSA: hda/realtek: fix mute/micmute LEDs don't work for more HP laptops ALSA: rawmidi: Fix inconsistent indenting warning reported by smatch ALSA: dice: fix buffer overflow in detect_stream_formats() ASoC: codecs: Modify awinic amplifier dsp read and write functions ASoC: SDCA: Fixup some more Kconfig issues ASoC: cs35l56: Log a message if firmware is missing ASoC: nau8325: Delete a stray tab firmware: cs_dsp: Add test cases for client_ops == NULL firmware: cs_dsp: Don't require client to provide a struct cs_dsp_client_ops ASoC: fsl_micfil: Set channel range control ASoC: fsl_micfil: Add default quality for different platforms ASoC: intel: sof_sdw: Add codec_info for cs42l45 ASoC: sdw_utils: Add cs42l45 support functions ASoC: intel: sof_sdw: Add ability to have auxiliary devices ASoC: sdw_utils: Move codec_name to dai info ASoC: sdw_utils: Add codec_conf for every DAI ASoC: SDCA: Add terminal type into input/output widget name ASoC: SDCA: Align mute controls to ALSA expectations ...
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9747b22a |
| 02-Dec-2025 |
Takashi Iwai <tiwai@suse.de> |
Merge tag 'asoc-v6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.19
This is a very large set of updates, as well as some more extensive cl
Merge tag 'asoc-v6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.19
This is a very large set of updates, as well as some more extensive cleanup work from Morimto-san we've also added a generic SCDA class driver for SoundWire devices enabling us to support many chips with no custom code. There's also a batch of new drivers added for both SoCs and CODECs.
- Added a SoundWire SCDA generic class driver, pulling in a little regmap work to support it. - A *lot* of cleaup and API improvement work from Morimoto-san. - Lots of work on the existing Cirrus, Intel, Maxim and Qualcomm drivers. - Support for Allwinner A523, Mediatek MT8189, Qualcomm QCM2290, QRB2210 and SM6115, SpacemiT K1, and TI TAS2568, TAS5802, TAS5806, TAS5815, TAS5828 and TAS5830.
This also pulls in some gpiolib changes supporting shared GPIOs in the core there so we can convert some of the ASoC drivers open coding handling of that to the core functionality.
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Revision tags: v6.18, v6.18-rc7 |
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be2b723d |
| 20-Nov-2025 |
Mark Brown <broonie@kernel.org> |
gpio: improve support for shared GPIOs
Merge series from Bartosz Golaszewski <brgl@bgdev.pl>:
Problem statement: GPIOs are implemented as a strictly exclusive resource in the kernel but there are l
gpio: improve support for shared GPIOs
Merge series from Bartosz Golaszewski <brgl@bgdev.pl>:
Problem statement: GPIOs are implemented as a strictly exclusive resource in the kernel but there are lots of platforms on which single pin is shared by multiple devices which don't communicate so need some way of properly sharing access to a GPIO. What we have now is the GPIOD_FLAGS_BIT_NONEXCLUSIVE flag which was introduced as a hack and doesn't do any locking or arbitration of access - it literally just hand the same GPIO descriptor to all interested users.
The proposed solution is composed of three major parts: the high-level, shared GPIO proxy driver that arbitrates access to the shared pin and exposes a regular GPIO chip interface to consumers, a low-level shared GPIOLIB module that scans firmware nodes and creates auxiliary devices that attach to the proxy driver and finally a set of core GPIOLIB changes that plug the former into the GPIO lookup path.
The changes are implemented in a way that allows to seamlessly compile out any code related to sharing GPIOs for systems that don't need it.
The practical use-case for this are the powerdown GPIOs shared by speakers on Qualcomm db845c platform, however I have also extensively tested it using gpio-virtuser on arm64 qemu with various DT configurations.
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c22f7a5c |
| 20-Nov-2025 |
Mark Brown <broonie@kernel.org> |
gpio: improve support for shared GPIOs
Merge series from Bartosz Golaszewski <brgl@bgdev.pl>:
Problem statement: GPIOs are implemented as a strictly exclusive resource in the kernel but there are l
gpio: improve support for shared GPIOs
Merge series from Bartosz Golaszewski <brgl@bgdev.pl>:
Problem statement: GPIOs are implemented as a strictly exclusive resource in the kernel but there are lots of platforms on which single pin is shared by multiple devices which don't communicate so need some way of properly sharing access to a GPIO. What we have now is the GPIOD_FLAGS_BIT_NONEXCLUSIVE flag which was introduced as a hack and doesn't do any locking or arbitration of access - it literally just hand the same GPIO descriptor to all interested users.
The proposed solution is composed of three major parts: the high-level, shared GPIO proxy driver that arbitrates access to the shared pin and exposes a regular GPIO chip interface to consumers, a low-level shared GPIOLIB module that scans firmware nodes and creates auxiliary devices that attach to the proxy driver and finally a set of core GPIOLIB changes that plug the former into the GPIO lookup path.
The changes are implemented in a way that allows to seamlessly compile out any code related to sharing GPIOs for systems that don't need it.
The practical use-case for this are the powerdown GPIOs shared by speakers on Qualcomm db845c platform, however I have also extensively tested it using gpio-virtuser on arm64 qemu with various DT configurations.
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82e71fe4 |
| 17-Nov-2025 |
Bartosz Golaszewski <bartosz.golaszewski@linaro.org> |
Merge tag 'gpio/shared-gpios-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git into gpio/for-next
Immutable branch between the GPIO, ASoC and regulator trees for v6.19-r
Merge tag 'gpio/shared-gpios-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git into gpio/for-next
Immutable branch between the GPIO, ASoC and regulator trees for v6.19-rc1
Add better support for GPIOs shared by multiple consumers.
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Revision tags: v6.18-rc6 |
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a060b8c5 |
| 12-Nov-2025 |
Bartosz Golaszewski <bartosz.golaszewski@linaro.org> |
gpiolib: implement low-level, shared GPIO support
This module scans the device tree (for now only OF nodes are supported but care is taken to make other fwnode implementations easy to integrate) and
gpiolib: implement low-level, shared GPIO support
This module scans the device tree (for now only OF nodes are supported but care is taken to make other fwnode implementations easy to integrate) and determines which GPIO lines are shared by multiple users. It stores that information in memory. When the GPIO chip exposing shared lines is registered, the shared GPIO descriptors it exposes are marked as shared and virtual "proxy" devices that mediate access to the shared lines are created. When a consumer of a shared GPIO looks it up, its fwnode lookup is redirected to a just-in-time machine lookup that points to this proxy device.
This code can be compiled out on platforms which don't use shared GPIOs.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20251112-gpio-shared-v4-3-b51f97b1abd8@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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