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ALSA/ASoC: hda: move/rename snd_hdac_ext_stop_streams to hdac_stream.c stable inclusion from stable-v5.10.163 commit d3a8925d6c1de1ba97ed47f30347491da26a844b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I7PJ9N Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d3a8925d6c1de1ba97ed47f30347491da26a844b ---------------------------------------------------- [ Upstream commit 12054f0ce8be7d2003ec068ab27c9eb608397b98 ] snd_hdac_ext_stop_streams() has really nothing to do with the extension, it just loops over the bus streams. Move it to the hdac_stream layer and rename to remove the 'ext' prefix and add the precision that the chip will also be stopped. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20211216231128.344321-2-pierre-louis.bossart@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Stable-dep-of: 171107237246 ("ASoC: Intel: Skylake: Fix driver hang during shutdown") Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: zhaoxiaoqiang11 <zhaoxiaoqiang11@jd.com> | 2 年前 | |
ALSA: hda: Allow setting preallocation again for x86 The commit c31427d0d21e ("ALSA: hda: No preallocation on x86 platforms") changed CONFIG_SND_HDA_PREALLOC_SIZE setup and its default to zero for x86, as the preallocation should work almost all cases. However, this expectation was too naive; some applications try to allocate as the max buffer size as possible, and it leads to the memory exhaustion. More badly, the commit changed the kconfig no longer adjustable for x86, so you can't fix it statically (although it can be still adjusted via procfs). So, practically seen, it's more recommended to set a reasonable limit for x86, too. This patch follows to that experience, and changes the default to 2048 and allow the kconfig adjustable again. Fixes: c31427d0d21e ("ALSA: hda: No preallocation on x86 platforms") Cc: <stable@vger.kernel.org> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207223 Link: https://lore.kernel.org/r/20200413201919.24241-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> | 6 年前 | |
ALSA: hda: add Intel DSP configuration / probe code For distributions, we need one place where we can decide which driver will be activated for the auto-configation of the Intel's HDA hardware with DSP. Actually, we cover three drivers: * Legacy HDA * Intel SST * Intel Sound Open Firmware (SOF) All those drivers registers similar PCI IDs, so the first driver probed from the PCI stack can win. But... it is not guaranteed that the correct driver wins. This commit changes Intel's NHLT ACPI module to a common DSP probe module for the Intel's hardware. All above sound drivers calls this code. The user can force another behaviour using the module parameter 'dsp_driver' located in the 'snd-intel-dspcfg' module. This change allows to add specific dmi checks for the specific systems. The examples are taken from the pull request: https://github.com/thesofproject/linux/pull/927 Tested on Lenovo Carbon X1 7th gen. Signed-off-by: Jaroslav Kysela <perex@perex.cz> Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20191022174313.29087-1-perex@perex.cz Signed-off-by: Takashi Iwai <tiwai@suse.de> | 6 年前 | |
treewide: Add SPDX license identifier for missed files Add SPDX license identifiers to all files which: - Have no license information of any form - Have EXPORT_.*_SYMBOL_GPL inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 6 年前 | |
treewide: Add SPDX license identifier for more missed files Add SPDX license identifiers to all files which: - Have no license information of any form - Have MODULE_LICENCE("GPL*") inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 6 年前 | |
ALSA: hda: avoid reset of sdo_limit By default 'sdo_limit' is initialized with a default value of '8' as per spec. This is overridden in cases where a different value is required. However this is getting reset when snd_hdac_bus_init_chip() is called again, which happens during runtime PM cycle. Avoid this reset by moving 'sdo_limit' setup to 'snd_hdac_bus_init()' function which would be called only once. Fixes: 67ae482a59e9 ("ALSA: hda: add member to store ratio for stripe control") Cc: <stable@vger.kernel.org> Signed-off-by: Sameer Pujar <spujar@nvidia.com> Link: https://lore.kernel.org/r/1597851130-6765-1-git-send-email-spujar@nvidia.com Signed-off-by: Takashi Iwai <tiwai@suse.de> | 5 年前 | |
ALSA: hda/i915 - fix list corruption with concurrent probes Current hdac_i915 uses a static completion instance to wait for i915 driver to complete the component bind. This design is not safe if multiple HDA controllers are active and communicating with different i915 instances, and can lead to list corruption and failed audio driver probe. Fix the design by moving completion mechanism to common acomp code and remove the related code from hdac_i915. Fixes: 7b882fe3e3e8 ("ALSA: hda - handle multiple i915 device instances") Co-developed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20201006161722.500256-1-kai.vehmanen@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de> | 5 年前 | |
ALSA: hda: Fix single byte write failure issue for Hygon hygon inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I92NMX CVE: NA --------------------------- On Hygon family 18h model 5h controller, some registers such as GCTL, SD_CTL and SD_CTL_3B should be accessed in dword, or the writing will fail. Signed-off-by: Pu Wen <puwen@hygon.cn> | 2 年前 | |
ALSA: hda: Fix unhandled register update during auto-suspend period stable inclusion from stable-v5.10.181 commit 1f57a1b979493b155cea5fa9007f7ce2fc6808f7 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8GJZJ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1f57a1b979493b155cea5fa9007f7ce2fc6808f7 -------------------------------- commit 81302b1c7c997e8a56c1c2fc63a296ebeb0cd2d0 upstream. It's reported that the recording started right after the driver probe doesn't work properly, and it turned out that this is related with the codec auto-suspend. Namely, after the probe phase, the usage count goes zero, and the auto-suspend is programmed, but the codec is kept still active until the auto-suspend expiration. When an application (e.g. alsactl) updates the mixer values at this moment, the values are cached but not actually written. Then, starting arecord thereafter also results in the silence because of the missing unmute. The root cause is the handling of "lazy update" mode; when a mixer value is updated *after* the suspend, it should update only the cache and exits. At the resume, the cached value is written to the device, in turn. The problem is that the current code misinterprets the state of auto-suspend as if it were already suspended. Although we can add the check of the actual device state after pm_runtime_get_if_in_use() for catching the missing state, this won't suffice; the second call of regmap_update_bits_check() will skip writing the register because the cache has been already updated by the first call. So we'd need fixes in two different places. OTOH, a simpler fix is to replace pm_runtime_get_if_in_use() with pm_runtime_get_if_active() (with ign_usage_count=true). This change implies that the driver takes the pm refcount if the device is still in ACTIVE state and continues the processing. A small caveat is that this will leave the auto-suspend timer. But, since the timer callback itself checks the device state and aborts gracefully when it's active, this won't be any substantial problem. Long story short: we address the missing register-write problem just by replacing the pm_runtime_*() call in snd_hda_keep_power_up(). Fixes: fc4f000bf8c0 ("ALSA: hda - Fix unexpected resume through regmap code path") Reported-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> Closes: https://lore.kernel.org/r/a7478636-af11-92ab-731c-9b13c582a70d@linux.intel.com Suggested-by: Cezary Rojewski <cezary.rojewski@intel.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230518113520.15213-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: sanglipeng <sanglipeng1@jd.com> | 2 年前 | |
ALSA: hda/i915 - fix list corruption with concurrent probes Current hdac_i915 uses a static completion instance to wait for i915 driver to complete the component bind. This design is not safe if multiple HDA controllers are active and communicating with different i915 instances, and can lead to list corruption and failed audio driver probe. Fix the design by moving completion mechanism to common acomp code and remove the related code from hdac_i915. Fixes: 7b882fe3e3e8 ("ALSA: hda - handle multiple i915 device instances") Co-developed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20201006161722.500256-1-kai.vehmanen@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de> | 5 年前 | |
ALSA: hda: fix a possible null-pointer dereference due to data race in snd_hdac_regmap_sync() stable inclusion from stable-v5.10.192 commit 9f9eed451176ffcac6b5ba0f6dae1a6b4a1cb0eb category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I933RF Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9f9eed451176ffcac6b5ba0f6dae1a6b4a1cb0eb -------------------------------- [ Upstream commit 1f4a08fed450db87fbb5ff5105354158bdbe1a22 ] The variable codec->regmap is often protected by the lock codec->regmap_lock when is accessed. However, it is accessed without holding the lock when is accessed in snd_hdac_regmap_sync(): if (codec->regmap) In my opinion, this may be a harmful race, because if codec->regmap is set to NULL right after the condition is checked, a null-pointer dereference can occur in the called function regcache_sync(): map->lock(map->lock_arg); --> Line 360 in drivers/base/regmap/regcache.c To fix this possible null-pointer dereference caused by data race, the mutex_lock coverage is extended to protect the if statement as well as the function call to regcache_sync(). [ Note: the lack of the regmap_lock itself is harmless for the current codec driver implementations, as snd_hdac_regmap_sync() is only for PM runtime resume that is prohibited during the codec probe. But the change makes the whole code more consistent, so it's merged as is -- tiwai ] Reported-by: BassCheck <bass@buaa.edu.cn> Signed-off-by: Tuo Li <islituo@gmail.com> Link: https://lore.kernel.org/r/20230703031016.1184711-1-islituo@gmail.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng <sanglipeng1@jd.com> | 2 年前 | |
ALSA: hda: Refer to correct stream index at loops stable inclusion from stable-v5.10.210 commit 354785abdf5e29ea87d32ca1316c5fc2041d38ec category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAE52H Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=354785abdf5e29ea87d32ca1316c5fc2041d38ec -------------------------------- [ Upstream commit 26257869672fd4a06a60c2da841e15fb2cb47bbe ] In a couple of loops over the all streams, we check the bitmap against the loop counter. A more correct reference would be, however, the index of each stream, instead. This patch corrects the check of bitmaps to the stream index. Note that this change doesn't fix anything for now; all existing drivers set up the stream indices properly, hence the loop count is always equal with the stream index. That said, this change is only for consistency. Link: https://lore.kernel.org/r/20231121154125.4888-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng1 <sanglipeng1@jd.com> | 1 年前 | |
ALSA: hda: fix potential memleak in 'add_widget_node' stable inclusion from stable-v5.10.155 commit 3a79f9568de08657fcdbc41d6fc4c0ca145a7a2b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I7M5F4 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3a79f9568de08657fcdbc41d6fc4c0ca145a7a2b -------------------------------- commit 9a5523f72bd2b0d66eef3d58810c6eb7b5ffc143 upstream. As 'kobject_add' may allocated memory for 'kobject->name' when return error. And in this function, if call 'kobject_add' failed didn't free kobject. So call 'kobject_put' to recycling resources. Signed-off-by: Ye Bin <yebin10@huawei.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20221110144539.2989354-1-yebin@huaweicloud.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: sanglipeng <sanglipeng1@jd.com> | 2 年前 | |
ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs Some code in HD-audio driver calls snprintf() in a loop and still expects that the return value were actually written size, while snprintf() returns the expected would-be length instead. When the given buffer limit were small, this leads to a buffer overflow. Use scnprintf() for addressing those issues. It returns the actually written size unlike snprintf(). Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200218091409.27162-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> | 6 年前 | |
ALSA: hda: intel-dspcfg: add filters for ARL-S and ARL stable inclusion from stable-v5.10.210 commit 1eeca000f26871522c52fc9b76eb375453fc08d2 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAE52H Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1eeca000f26871522c52fc9b76eb375453fc08d2 -------------------------------- [ Upstream commit 7a9d6bbe8a663c817080be55d9fecf19a4a8fd8f ] Same usual filters, SOF is required for DMIC and/or SoundWire support. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20231204212710.185976-4-pierre-louis.bossart@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: sanglipeng1 <sanglipeng1@jd.com> | 1 年前 | |
ALSA: hda: intel-nhlt: Correct the handling of fmt_config flexible array stable inclusion from stable-v5.10.142 commit ddcb56e84130fac7d73f7473afc673f14a339cf2 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6CSFH Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=ddcb56e84130fac7d73f7473afc673f14a339cf2 -------------------------------- [ Upstream commit 2e6481a3f3ee6234ce577454e1d88aca55f51d47 ] The struct nhlt_format's fmt_config is a flexible array, it must not be used as normal array. When moving to the next nhlt_fmt_cfg we need to take into account the data behind the ->config.caps (indicated by ->config.size). Fixes: a864e8f159b13 ("ALSA: hda: intel-nhlt: verify config type") Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Jaska Uimonen <jaska.uimonen@linux.intel.com> Link: https://lore.kernel.org/r/20220823122405.18464-1-peter.ujfalusi@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com> | 3 年前 | |
ALSA: hda: Unexport some local helper functions snd_hdac_bus_queue_event() and snd_hdac_bus_exec_verb() are used only internally in HD-audio core. Let's drop the exports and move the declarations into local.h. Link: https://lore.kernel.org/r/20200516062854.22141-3-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> | 5 年前 | |
ALSA: hda - Re-add tracepoints to HD-audio core driver Now let's take the basic tracepoints back to the HD-audio driver. The three bus tracepoints, hda_send_cmd, hda_get_response and hda_unsol_event are revived but in a slightly different form. Since we don't assign the card number there, print the bus device name instead. Signed-off-by: Takashi Iwai <tiwai@suse.de> | 11 年前 | |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 8 年前 |
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