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[PATCH v4 0/4] ASoC: SOF: Intel: power optimizations with HDaudio SPIB register
by Pierre-Louis Bossart 24 Nov '21

24 Nov '21

This patchset was initially provided in a larger series that was split in two [1]. This part only provides support for the SPIB register support, added on Intel platforms since Skylake (2015). The use of the SPIB register helps reduce power consumption - though to a smaller degree than DMI_L1. This hardware capability is however incompatible with userspace-initiated rewinds typically used by PulseAudio. In the past (2015..2017) Intel suggested an API extension to let applications disable rewinds. At the time the feedback was that such a capability was too Intel-specific and SPIB remained unused except for loading DSP code. We now see devices with smaller batteries being released, and it's time to revisit Linux support for SPIB to extend battery life. In this update the rewinds are disabled via an opt-in kernel parameter. In the previous reviews, there was consensus that a Kconfig option was too complicated for distributions to set, and we are missing a TBD API to expose such capabilities to user-space. The debate on whether or not to use rewinds, and the impact of disabling rewinds, will likely be closed when Intel releases the 'deep-buffer' support, currently under development [2][3]. With this solution, rewinds will not be needed, ever. When an application deals with content that is not latency-sensitive (e.g. music playback), it will be able to reduce power consumption by selecting a different PCM device with increased buffering capabilities. Low-latency streams will be handled by the 'regular' path. In other words, the impossible compromise between power and latency will be handled with different PCM devices/profiles for the same endpoint, and we can push the design of capability negotiation to a later time when all the building blocks (firmware topology, kernel, userspace) are ready - we still have firmware xruns, DPCM race conditions to solve, and a need to describe these alternate PCM devices with UCM using 'modifiers'. [1] https://lore.kernel.org/alsa-devel/20210610205326.1176400-1-pierre-louis.bo… [2] https://github.com/thesofproject/linux/pull/3146 [3] https://github.com/thesofproject/sof/pull/4611 Changes since v3: Added Takashi's Reviewed-by tags on patches 1 and 2 Used SYNC_APPLPTR instead of EXPLICIT_SYNC as suggested by Takashi Added a missing .ack callback for IceLake Changes since v2: Added check on appl_ptr (Takashi) Moved rewind detection to deal with SYNC_PTR (Takashi) Pierre-Louis Bossart (2): ALSA: pcm: unconditionally check if appl_ptr is in 0..boundary range ALSA: pcm: introduce INFO_NO_REWINDS flag Ranjani Sridharan (2): ASoC: SOF: pcm: add .ack callback support ASoC: SOF: Intel: add .ack support for HDaudio platforms include/uapi/sound/asound.h | 2 +- sound/core/pcm_lib.c | 17 +++++++++++++ sound/soc/sof/intel/apl.c | 1 + sound/soc/sof/intel/cnl.c | 1 + sound/soc/sof/intel/hda-pcm.c | 41 ++++++++++++++++++++++++++++++-- sound/soc/sof/intel/hda-stream.c | 2 ++ sound/soc/sof/intel/hda.h | 1 + sound/soc/sof/intel/icl.c | 1 + sound/soc/sof/intel/tgl.c | 1 + sound/soc/sof/ops.h | 10 ++++++++ sound/soc/sof/pcm.c | 9 +++++++ sound/soc/sof/sof-priv.h | 3 +++ 12 files changed, 86 insertions(+), 3 deletions(-) -- 2.25.1

2 5

[PATCH] ASoC: SOF: hda: reset DAI widget before reconfiguring it
by Kai Vehmanen 24 Nov '21

24 Nov '21

From: Ranjani Sridharan <ranjani.sridharan(a)linux.intel.com> It is not unusual for ALSA/ASoC hw_params callbacks to be invoked multiple times. Reset and free the DAI widget before reconfiguring it to keep the DAI widget use_count balanced. Fixes: 0acb48dd31e3 ("ASoC: SOF: Intel: hda: make sure DAI widget is set up before IPC") Signed-off-by: Ranjani Sridharan <ranjani.sridharan(a)linux.intel.com> Reviewed-by: Paul Olaru <paul.olaru(a)oss.nxp.com> Reviewed-by: Bard Liao <bard.liao(a)intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen(a)linux.intel.com> --- sound/soc/sof/intel/hda.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 1e1e9659ea86..54dd18dce8d0 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -58,6 +58,13 @@ int hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget *w) return -EINVAL; } + /* DAI already configured, reset it before reconfiguring it */ + if (sof_dai->configured) { + ret = hda_ctrl_dai_widget_free(w); + if (ret < 0) + return ret; + } + config = &sof_dai->dai_config[sof_dai->current_config]; /* base-commit: 65c16dd2942f4476a3f96a2625b1475c6137c09a -- 2.33.0

2 1

[PATCH] ASoC: Intel: soc-acpi: add entry for ESSX8336 on CML
by Pierre-Louis Bossart 24 Nov '21

24 Nov '21

We have configurations for this codec on APL, GLK, JSL and TGL, somehow the information that some designs rely on CometLake was not shared. BugLink: https://github.com/thesofproject/linux/issues/3248 Fixes: 790049fb6623 ("ASoC: Intel: soc-acpi: apl/glk/tgl: add entry for devices based on ES8336 codec") Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com> --- sound/soc/intel/common/soc-acpi-intel-cml-match.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/soc/intel/common/soc-acpi-intel-cml-match.c b/sound/soc/intel/common/soc-acpi-intel-cml-match.c index b4eb0c97edf1..4eebc79d4b48 100644 --- a/sound/soc/intel/common/soc-acpi-intel-cml-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-cml-match.c @@ -81,6 +81,12 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_cml_machines[] = { .sof_fw_filename = "sof-cml.ri", .sof_tplg_filename = "sof-cml-da7219-max98390.tplg", }, + { + .id = "ESSX8336", + .drv_name = "sof-essx8336", + .sof_fw_filename = "sof-cml.ri", + .sof_tplg_filename = "sof-cml-es8336.tplg", + }, {}, }; EXPORT_SYMBOL_GPL(snd_soc_acpi_intel_cml_machines); -- 2.25.1

2 1

[PATCH 4.19 271/323] ALSA: ISA: not for M68K
by Greg Kroah-Hartman 24 Nov '21

24 Nov '21

From: Randy Dunlap <rdunlap(a)infradead.org> [ Upstream commit 3c05f1477e62ea5a0a8797ba6a545b1dc751fb31 ] On m68k, compiling drivers under SND_ISA causes build errors: ../sound/core/isadma.c: In function 'snd_dma_program': ../sound/core/isadma.c:33:17: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration] 33 | flags = claim_dma_lock(); | ^~~~~~~~~~~~~~ ../sound/core/isadma.c:41:9: error: implicit declaration of function 'release_dma_lock' [-Werror=implicit-function-declaration] 41 | release_dma_lock(flags); | ^~~~~~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_playback_prepare': ../sound/isa/sb/sb16_main.c:253:72: error: 'DMA_AUTOINIT' undeclared (first use in this function) 253 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); | ^~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c:253:72: note: each undeclared identifier is reported only once for each function it appears in ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_capture_prepare': ../sound/isa/sb/sb16_main.c:322:71: error: 'DMA_AUTOINIT' undeclared (first use in this function) 322 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); | ^~~~~~~~~~~~ and more... Signed-off-by: Randy Dunlap <rdunlap(a)infradead.org> Cc: Jaroslav Kysela <perex(a)perex.cz> Cc: Takashi Iwai <tiwai(a)suse.com> Cc: alsa-devel(a)alsa-project.org Cc: linux-m68k(a)lists.linux-m68k.org Cc: Geert Uytterhoeven <geert(a)linux-m68k.org> Link: https://lore.kernel.org/r/20211016062602.3588-1-rdunlap@infradead.org Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- sound/core/Makefile | 2 ++ sound/isa/Kconfig | 2 +- sound/pci/Kconfig | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/core/Makefile b/sound/core/Makefile index ee4a4a6b99ba7..d123587c0fd8f 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -9,7 +9,9 @@ ifneq ($(CONFIG_SND_PROC_FS),) snd-y += info.o snd-$(CONFIG_SND_OSSEMUL) += info_oss.o endif +ifneq ($(CONFIG_M68K),y) snd-$(CONFIG_ISA_DMA_API) += isadma.o +endif snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o snd-$(CONFIG_SND_JACK) += ctljack.o jack.o diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index d7db1eeebc844..f8f3433925bb4 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -21,7 +21,7 @@ config SND_SB16_DSP menuconfig SND_ISA bool "ISA sound devices" depends on ISA || COMPILE_TEST - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K default y help Support for sound devices connected via the ISA bus. diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 4105d9f653d90..bbaf46dc3f804 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -278,6 +278,7 @@ config SND_CS46XX_NEW_DSP config SND_CS5530 tristate "CS5530 Audio" depends on ISA_DMA_API && (X86_32 || COMPILE_TEST) + depends on !M68K select SND_SB16_DSP help Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips. -- 2.33.0

1 0

[PATCH 5.4 021/100] ALSA: ISA: not for M68K
by Greg Kroah-Hartman 24 Nov '21

24 Nov '21

From: Randy Dunlap <rdunlap(a)infradead.org> [ Upstream commit 3c05f1477e62ea5a0a8797ba6a545b1dc751fb31 ] On m68k, compiling drivers under SND_ISA causes build errors: ../sound/core/isadma.c: In function 'snd_dma_program': ../sound/core/isadma.c:33:17: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration] 33 | flags = claim_dma_lock(); | ^~~~~~~~~~~~~~ ../sound/core/isadma.c:41:9: error: implicit declaration of function 'release_dma_lock' [-Werror=implicit-function-declaration] 41 | release_dma_lock(flags); | ^~~~~~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_playback_prepare': ../sound/isa/sb/sb16_main.c:253:72: error: 'DMA_AUTOINIT' undeclared (first use in this function) 253 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); | ^~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c:253:72: note: each undeclared identifier is reported only once for each function it appears in ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_capture_prepare': ../sound/isa/sb/sb16_main.c:322:71: error: 'DMA_AUTOINIT' undeclared (first use in this function) 322 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); | ^~~~~~~~~~~~ and more... Signed-off-by: Randy Dunlap <rdunlap(a)infradead.org> Cc: Jaroslav Kysela <perex(a)perex.cz> Cc: Takashi Iwai <tiwai(a)suse.com> Cc: alsa-devel(a)alsa-project.org Cc: linux-m68k(a)lists.linux-m68k.org Cc: Geert Uytterhoeven <geert(a)linux-m68k.org> Link: https://lore.kernel.org/r/20211016062602.3588-1-rdunlap@infradead.org Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- sound/core/Makefile | 2 ++ sound/isa/Kconfig | 2 +- sound/pci/Kconfig | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/core/Makefile b/sound/core/Makefile index ee4a4a6b99ba7..d123587c0fd8f 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -9,7 +9,9 @@ ifneq ($(CONFIG_SND_PROC_FS),) snd-y += info.o snd-$(CONFIG_SND_OSSEMUL) += info_oss.o endif +ifneq ($(CONFIG_M68K),y) snd-$(CONFIG_ISA_DMA_API) += isadma.o +endif snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o snd-$(CONFIG_SND_JACK) += ctljack.o jack.o diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index b690ed937cbe8..df2e45c8814e9 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -22,7 +22,7 @@ config SND_SB16_DSP menuconfig SND_ISA bool "ISA sound devices" depends on ISA || COMPILE_TEST - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K default y help Support for sound devices connected via the ISA bus. diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 7630f808d087c..6edde2f145025 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -279,6 +279,7 @@ config SND_CS46XX_NEW_DSP config SND_CS5530 tristate "CS5530 Audio" depends on ISA_DMA_API && (X86_32 || COMPILE_TEST) + depends on !M68K select SND_SB16_DSP help Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips. -- 2.33.0

1 0

[PATCH 5.10 035/154] ALSA: ISA: not for M68K
by Greg Kroah-Hartman 24 Nov '21

24 Nov '21

From: Randy Dunlap <rdunlap(a)infradead.org> [ Upstream commit 3c05f1477e62ea5a0a8797ba6a545b1dc751fb31 ] On m68k, compiling drivers under SND_ISA causes build errors: ../sound/core/isadma.c: In function 'snd_dma_program': ../sound/core/isadma.c:33:17: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration] 33 | flags = claim_dma_lock(); | ^~~~~~~~~~~~~~ ../sound/core/isadma.c:41:9: error: implicit declaration of function 'release_dma_lock' [-Werror=implicit-function-declaration] 41 | release_dma_lock(flags); | ^~~~~~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_playback_prepare': ../sound/isa/sb/sb16_main.c:253:72: error: 'DMA_AUTOINIT' undeclared (first use in this function) 253 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); | ^~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c:253:72: note: each undeclared identifier is reported only once for each function it appears in ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_capture_prepare': ../sound/isa/sb/sb16_main.c:322:71: error: 'DMA_AUTOINIT' undeclared (first use in this function) 322 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); | ^~~~~~~~~~~~ and more... Signed-off-by: Randy Dunlap <rdunlap(a)infradead.org> Cc: Jaroslav Kysela <perex(a)perex.cz> Cc: Takashi Iwai <tiwai(a)suse.com> Cc: alsa-devel(a)alsa-project.org Cc: linux-m68k(a)lists.linux-m68k.org Cc: Geert Uytterhoeven <geert(a)linux-m68k.org> Link: https://lore.kernel.org/r/20211016062602.3588-1-rdunlap@infradead.org Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- sound/core/Makefile | 2 ++ sound/isa/Kconfig | 2 +- sound/pci/Kconfig | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/core/Makefile b/sound/core/Makefile index ee4a4a6b99ba7..d123587c0fd8f 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -9,7 +9,9 @@ ifneq ($(CONFIG_SND_PROC_FS),) snd-y += info.o snd-$(CONFIG_SND_OSSEMUL) += info_oss.o endif +ifneq ($(CONFIG_M68K),y) snd-$(CONFIG_ISA_DMA_API) += isadma.o +endif snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o snd-$(CONFIG_SND_JACK) += ctljack.o jack.o diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index 6ffa48dd59830..570b88e0b2018 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -22,7 +22,7 @@ config SND_SB16_DSP menuconfig SND_ISA bool "ISA sound devices" depends on ISA || COMPILE_TEST - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K default y help Support for sound devices connected via the ISA bus. diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 93bc9bef7641f..41ce125971777 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -279,6 +279,7 @@ config SND_CS46XX_NEW_DSP config SND_CS5530 tristate "CS5530 Audio" depends on ISA_DMA_API && (X86_32 || COMPILE_TEST) + depends on !M68K select SND_SB16_DSP help Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips. -- 2.33.0

1 0

[PATCH 5.15 057/279] ALSA: ISA: not for M68K
by Greg Kroah-Hartman 24 Nov '21

24 Nov '21

From: Randy Dunlap <rdunlap(a)infradead.org> [ Upstream commit 3c05f1477e62ea5a0a8797ba6a545b1dc751fb31 ] On m68k, compiling drivers under SND_ISA causes build errors: ../sound/core/isadma.c: In function 'snd_dma_program': ../sound/core/isadma.c:33:17: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration] 33 | flags = claim_dma_lock(); | ^~~~~~~~~~~~~~ ../sound/core/isadma.c:41:9: error: implicit declaration of function 'release_dma_lock' [-Werror=implicit-function-declaration] 41 | release_dma_lock(flags); | ^~~~~~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_playback_prepare': ../sound/isa/sb/sb16_main.c:253:72: error: 'DMA_AUTOINIT' undeclared (first use in this function) 253 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); | ^~~~~~~~~~~~ ../sound/isa/sb/sb16_main.c:253:72: note: each undeclared identifier is reported only once for each function it appears in ../sound/isa/sb/sb16_main.c: In function 'snd_sb16_capture_prepare': ../sound/isa/sb/sb16_main.c:322:71: error: 'DMA_AUTOINIT' undeclared (first use in this function) 322 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); | ^~~~~~~~~~~~ and more... Signed-off-by: Randy Dunlap <rdunlap(a)infradead.org> Cc: Jaroslav Kysela <perex(a)perex.cz> Cc: Takashi Iwai <tiwai(a)suse.com> Cc: alsa-devel(a)alsa-project.org Cc: linux-m68k(a)lists.linux-m68k.org Cc: Geert Uytterhoeven <geert(a)linux-m68k.org> Link: https://lore.kernel.org/r/20211016062602.3588-1-rdunlap@infradead.org Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- sound/core/Makefile | 2 ++ sound/isa/Kconfig | 2 +- sound/pci/Kconfig | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/core/Makefile b/sound/core/Makefile index d774792850f31..79e1407cd0de7 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -9,7 +9,9 @@ ifneq ($(CONFIG_SND_PROC_FS),) snd-y += info.o snd-$(CONFIG_SND_OSSEMUL) += info_oss.o endif +ifneq ($(CONFIG_M68K),y) snd-$(CONFIG_ISA_DMA_API) += isadma.o +endif snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o snd-$(CONFIG_SND_JACK) += ctljack.o jack.o diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index 6ffa48dd59830..570b88e0b2018 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -22,7 +22,7 @@ config SND_SB16_DSP menuconfig SND_ISA bool "ISA sound devices" depends on ISA || COMPILE_TEST - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K default y help Support for sound devices connected via the ISA bus. diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 93bc9bef7641f..41ce125971777 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -279,6 +279,7 @@ config SND_CS46XX_NEW_DSP config SND_CS5530 tristate "CS5530 Audio" depends on ISA_DMA_API && (X86_32 || COMPILE_TEST) + depends on !M68K select SND_SB16_DSP help Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips. -- 2.33.0

1 0

Creating UCM2 profiles for devices to split multichannel streams
by GitHub issues - opened 24 Nov '21

24 Nov '21

alsa-project/alsa-ucm-conf issue #122 was opened from brndd: Hey. Apologies for this question-issue, but I wasn't sure where to ask and figured it was better to do it here in public (so that others may benefit from the discussion) than ask by email or something. I randomly stumbled upon #121 which is about creating a UCM2 profile for the TC-Helicon GoXLR device to split some multichannel streams to better match the physical layout of the device. I had no idea this was possible with UCM2 (in fact I looked at UCM2 for this a few months ago and got the impression that it was *not* possible), and would be interested in creating a similar profile for my device, a Behringer UMC204HD. This device has a similar problem of reporting a stereo input stream when the physical layout is two mono inputs, and a 4-channel output stream when the physical layout is two stereo outputs. Thus far I've been using PulseAudio/PipeWire remappings to get around the issue, but a UCM2 profile would be a far superior solution, if indeed it is possible. So, my questions are: - Is being able to split streams like this a new feature of ALSA/UCM2? How do I know if my system (Fedora 34) supports this feature? - Is there documentation somewhere to get me started with writing a config for my device? I have no idea what half the stuff in https://github.com/alsa-project/alsa-ucm-conf/commit/97beee6ded9e3dddfb5658… means so I'm expecting to fall into some pits during the process ;) Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/122 Repository URL: https://github.com/alsa-project/alsa-ucm-conf

1 0

[PATCH 00/17] Non-const bitfield helper conversions
by Geert Uytterhoeven 24 Nov '21

24 Nov '21

Hi all, <linux/bitfield.h> contains various helpers for accessing bitfields, as typically used in hardware registers for memory-mapped I/O blocks. These helpers ensure type safety, and deduce automatically shift values from mask values, avoiding mistakes due to inconsistent shifts and masks, and leading to a reduction in source code size. I have already submitted a few conversions to the FIELD_{GET,PREP}() helpers that were fixes for real bugs: - [PATCH] mips: cm: Convert to bitfield API to fix out-of-bounds access https://lore.kernel.org/r/0471c545117c5fa05bd9c73005cda9b74608a61e.16355013… - [PATCH] drm/armada: Fix off-by-one error in armada_overlay_get_property() https://lore.kernel.org/r/5818c8b04834e6a9525441bc181580a230354b69.16355012… Plus several patches for normal conversions: - [PATCH] ARM: ptrace: Use bitfield helpers https://lore.kernel.org/r/a1445d3abb45cfc95cb1b03180fd53caf122035b.16375932… - [PATCH] MIPS: CPC: Use bitfield helpers https://lore.kernel.org/r/35f0f17e3d987afaa9cd09cdcb8131d42a53c3e1.16375932… - [PATCH] MIPS: CPS: Use bitfield helpers https://lore.kernel.org/r/8bd8b1b9a3787e594285addcf2057754540d0a5f.16375932… - [PATCH] crypto: sa2ul - Use bitfield helpers https://lore.kernel.org/r/ca89d204ef2e40193479db2742eadf0d9cf3c0ff.16375932… - [PATCH] dmaengine: stm32-mdma: Use bitfield helpers https://lore.kernel.org/r/36ceab242a594233dc7dc6f1dddb4ac32d1e846f.16375932… - [PATCH] intel_th: Use bitfield helpers https://lore.kernel.org/r/b1e4f027aa88acfbdfaa771b0920bd1d977828ba.16375932… - [PATCH] Input: palmas-pwrbutton - use bitfield helpers https://lore.kernel.org/r/f8831b88346b36fc6e01e0910d0db6c94287d2b4.16375932… - [PATCH] irqchip/mips-gic: Use bitfield helpers https://lore.kernel.org/r/74f9d126961a90d3e311b92a54870eaac5b3ae57.16375932… - [PATCH] mfd: mc13xxx: Use bitfield helpers https://lore.kernel.org/r/afa46868cf8c1666e9cbbbec42767ca2294b024d.16375932… - [PATCH] regulator: lp873x: Use bitfield helpers https://lore.kernel.org/r/44d60384b640c8586b4ca7edbc9287a34ce21c5b.16375932… - [PATCH] regulator: lp87565: Use bitfield helpers https://lore.kernel.org/r/941c2dfd5b5b124b8950bcce42db4c343dfe9821.16375932… The existing FIELD_{GET,PREP}() macros are limited to compile-time constants. However, it is very common to prepare or extract bitfield elements where the bitfield mask is not a compile-time constant. To avoid this limitation, the AT91 clock driver already has its own field_{prep,get}() macros. This patch series makes them available for general use, and converts several drivers to the existing FIELD_{GET,PREP}() and the new field_{get,prep}() helpers. I can take the first two patches through the reneas-clk tree for v5.17, but probably it is best for the remaining patches to be postponed to v5.18. Thanks for your comments! Geert Uytterhoeven (17): bitfield: Add non-constant field_{prep,get}() helpers clk: renesas: Use bitfield helpers [RFC] soc: renesas: Use bitfield helpers [RFC] ARM: OMAP2+: Use bitfield helpers [RFC] bus: omap_l3_noc: Use bitfield helpers [RFC] clk: ti: Use bitfield helpers [RFC] iio: st_sensors: Use bitfield helpers [RFC] iio: humidity: hts221: Use bitfield helpers [RFC] iio: imu: st_lsm6dsx: Use bitfield helpers [RFC] media: ti-vpe: cal: Use bitfield helpers [RFC] mmc: sdhci-of-aspeed: Use bitfield helpers [RFC] pinctrl: aspeed: Use bitfield helpers [RFC] pinctl: ti: iodelay: Use bitfield helpers [RFC] regulator: ti-abb: Use bitfield helpers [RFC] thermal/ti-soc-thermal: Use bitfield helpers [RFC] ALSA: ice1724: Use bitfield helpers [RFC] rtw89: Use bitfield helpers arch/arm/mach-omap2/clkt2xxx_dpllcore.c | 5 +- arch/arm/mach-omap2/cm2xxx.c | 11 ++- arch/arm/mach-omap2/cm2xxx_3xxx.h | 9 +-- arch/arm/mach-omap2/cm33xx.c | 9 +-- arch/arm/mach-omap2/cm3xxx.c | 7 +- arch/arm/mach-omap2/cminst44xx.c | 9 +-- arch/arm/mach-omap2/powerdomains3xxx_data.c | 3 +- arch/arm/mach-omap2/prm.h | 2 - arch/arm/mach-omap2/prm2xxx.c | 4 +- arch/arm/mach-omap2/prm2xxx_3xxx.c | 7 +- arch/arm/mach-omap2/prm2xxx_3xxx.h | 9 +-- arch/arm/mach-omap2/prm33xx.c | 53 +++++------- arch/arm/mach-omap2/prm3xxx.c | 3 +- arch/arm/mach-omap2/prm44xx.c | 53 ++++-------- arch/arm/mach-omap2/vc.c | 12 +-- arch/arm/mach-omap2/vp.c | 11 +-- drivers/bus/omap_l3_noc.c | 4 +- drivers/clk/at91/clk-peripheral.c | 1 + drivers/clk/at91/pmc.h | 3 - drivers/clk/renesas/clk-div6.c | 6 +- drivers/clk/renesas/r8a779a0-cpg-mssr.c | 9 +-- drivers/clk/renesas/rcar-gen3-cpg.c | 15 ++-- drivers/clk/ti/apll.c | 25 +++--- drivers/clk/ti/dpll3xxx.c | 81 ++++++++----------- .../iio/common/st_sensors/st_sensors_core.c | 5 +- drivers/iio/humidity/hts221_core.c | 8 +- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 1 - .../iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 7 +- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 45 +++++------ drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c | 11 +-- drivers/media/platform/ti-vpe/cal.h | 4 +- drivers/mmc/host/sdhci-of-aspeed.c | 5 +- drivers/net/wireless/realtek/rtw89/core.h | 38 ++------- drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c | 3 +- drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 3 +- drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c | 3 +- drivers/pinctrl/aspeed/pinctrl-aspeed.c | 5 +- drivers/pinctrl/aspeed/pinmux-aspeed.c | 6 +- drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 35 +++----- drivers/regulator/ti-abb-regulator.c | 7 +- drivers/soc/renesas/renesas-soc.c | 4 +- drivers/thermal/ti-soc-thermal/ti-bandgap.c | 11 ++- include/linux/bitfield.h | 30 +++++++ sound/pci/ice1712/wm8766.c | 14 ++-- sound/pci/ice1712/wm8776.c | 14 ++-- 45 files changed, 263 insertions(+), 347 deletions(-) -- 2.25.1 Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert(a)linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds

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[PATCH v3 00/11] Add support for Legion 7 16ACHg6 laptop
by Lucas Tanure 24 Nov '21

24 Nov '21

Add support for laptops that have CS35L41 connected to an HDA codec by I2S and direct I2C/SPI connection to the CPU Hardware: - The 16ACHg6 laptop has two CS35L41 amplifiers, connected to Realtek ALC287 by an I2S bus and by and direct I2C to the CPU. - The ALC287 codec is connected to the CPU by an HDA bus. - The CS35L41 has a DSP which will require firmware to be loaded. Architecture: - Creation of a library of shared functions for CS35L41 ASoC and HDA - HDA codec driver (RealTek) and CS35L41 HDA driver are combined by using component binding, where it uses device names to find the components and bind to the master - The HDA CS35L41 driver applies pre-defined registers sequences for each action in playback for HDA Sound card Changes from V2: - Not an RFC - Create a new HDA driver for CS35L41 instead of using the ASoC one - Use component binding and device names to find the CS35L41 driver - Create a shared library for ASoC and HDA CS35L41 drivers Lucas Tanure (11): ASoC: cs35l41: Set the max SPI speed for the whole device ASoC: cs35l41: Convert tables to shared source code ASoC: cs35l41: Move regmap config struct to shared code ASoC: cs35l41: Create function for init array of Supplies ASoC: cs35l41: Move cs35l41_otp_unpack to shared code ASoC: cs35l41: Move power initializations to reg_sequence ASoC: cs35l41: Create shared function for errata patches ASoC: cs35l41: Create shared function for setting channels ASoC: cs35l41: Create shared function for boost configuration hda: cs35l41: Add support for CS35L41 in HDA systems ACPI / scan: Create platform device for CLSA0100 ACPI nodes MAINTAINERS | 2 + drivers/acpi/scan.c | 1 + drivers/platform/x86/i2c-multi-instantiate.c | 7 + include/sound/cs35l41.h | 741 ++++++++++++++++++ sound/pci/hda/Kconfig | 10 + sound/pci/hda/Makefile | 28 +- sound/pci/hda/cs35l41_hda.c | 522 ++++++++++++ sound/pci/hda/cs35l41_hda.h | 69 ++ sound/pci/hda/cs35l41_hda_i2c.c | 61 ++ sound/pci/hda/hda_component.h | 20 + sound/pci/hda/patch_realtek.c | 103 +++ sound/soc/codecs/Makefile | 4 +- sound/soc/codecs/cs35l41-i2c.c | 16 - .../{cs35l41-tables.c => cs35l41-lib.c} | 400 +++++++++- sound/soc/codecs/cs35l41-spi.c | 49 +- sound/soc/codecs/cs35l41.c | 390 +-------- sound/soc/codecs/cs35l41.h | 739 ----------------- 17 files changed, 1964 insertions(+), 1198 deletions(-) create mode 100644 sound/pci/hda/cs35l41_hda.c create mode 100644 sound/pci/hda/cs35l41_hda.h create mode 100644 sound/pci/hda/cs35l41_hda_i2c.c create mode 100644 sound/pci/hda/hda_component.h rename sound/soc/codecs/{cs35l41-tables.c => cs35l41-lib.c} (68%) -- 2.34.0

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