kernel/linux.git/sound/soc/sof/debug.c, branch v6.1.168

ASoC: SOF: debug: conditionally bump runtime_pm counter on exceptions

2023-06-09T08:34:13+00:00

[ Upstream commit 3de975862f985f1c9e225a0d13aa3d501373f7c3 ] When a firmware IPC error happens during a pm_runtime suspend, we ignore the error and suspend anyways. However, the code unconditionally increases the runtime_pm counter. This results in a confusing configuration where the code will suspend, resume but never suspend again due to the use of pm_runtime_get_noresume(). The intent of the counter increase was to prevent entry in D3, but if that transition to D3 is already started it cannot be stopped. In addition, there's no point in that case in trying to prevent anything, the firmware error is handled and the next resume will re-initialize the firmware completely. This patch changes the logic to prevent suspend when the device is pm_runtime active and has a use_count > 0. Signed-off-by: Pierre-Louis Bossart

ASoC: SOF: Add FW state to debugfs

2023-02-01T07:34:28+00:00

[ Upstream commit 9a9134fd56f6ba614ff7b2b3b0bac0bf1d0dc0c9 ] Allow system health detection mechanisms to check the FW state, this will allow them to check if the FW is in its "crashed" state going forward to help automatically diagnose driver state. Signed-off-by: Curtis Malainey Reviewed-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart Reviewed-by: Péter Ujfalusi Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20221220125629.8469-4-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin

ASoC: SOF: debug: Fix potential buffer overflow by snprintf()

2022-08-05T11:57:23+00:00

snprintf() returns the would-be-filled size when the string overflows the given buffer size, hence using this value may result in the buffer overflow (although it's unrealistic). This patch replaces with a safer version, scnprintf() for papering over such a potential issue. Fixes: 5b10b6298921 ("ASoC: SOF: Add `memory_info` file to debugfs") Signed-off-by: Takashi Iwai Link: https://lore.kernel.org/r/20220801165420.25978-3-tiwai@suse.de Signed-off-by: Mark Brown

ASoC: SOF: debug: Clarify the IPC timeout handling path

2022-06-10T12:32:21+00:00

The dmesg log message of "Firmware exception" causes lots of confusion as the snd_sof_handle_fw_exception() is only called in case of an IPC tx timeout, where such a message does not make much sense. To not limit the snd_sof_handle_fw_exception() handler to just one error case, add a parameter to allow the caller to specify a meaningful message to be printed. Signed-off-by: Peter Ujfalusi Reviewed-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart Reviewed-by: Yaochun Hung Link: https://lore.kernel.org/r/20220610080421.31453-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown

ASoC: SOF: Switch to IPC generic firmware tracing

2022-05-19T15:44:15+00:00

Introduce new, generic API for firmware tracing with sof_fw_trace_ prefix and switch to use it. At the same time the old IPC3 code can be dropped from trace.c, which is now a generic wrapper for the firmware tracing ops. Signed-off-by: Peter Ujfalusi Reviewed-by: Ranjani Sridharan Reviewed-by: Bard Liao Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20220516104711.26115-5-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown

ASoC: SOF: debug: use pm_runtime_resume_and_get()

2022-04-27T13:15:25+00:00

Use pm_runtime_resume_and_get() to replace the pm_runtime_get_sync() and pm_runtime_put_noidle() pattern. No functional changes. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Péter Ujfalusi Reviewed-by: Bard Liao Link: https://lore.kernel.org/r/20220426184106.102636-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown

ASoC: SOF: remove const qualifier for 'struct snd_sof_dsp_ops'

2022-04-19T11:03:39+00:00

Now that we start having multiple platforms with minor variants, the use of the const qualifier for 'dsp_ops' is starting to be sub-optimal: the structures are copied across platforms, with only a couple of members that differ. This patch removes the const qualifier without any functionality changes, and adds an optional initialization callback. In follow-up patches, the dsp_ops will revisited for Intel HDaudio platforms, with the differences added programmatically over a common baseline. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Reviewed-by: Péter Ujfalusi Reviewed-by: Kai Vehmanen Reviewed-by: Rander Wang Reviewed-by: Bard Liao Link: https://lore.kernel.org/r/20220414184817.362215-9-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown

ASoC: SOF: Drop 'header' parameter from tx_message() API

2022-04-04T07:39:09+00:00

The header parameter is not used anymore and now it can be dropped from the parameter list of tx_message(). Signed-off-by: Peter Ujfalusi Reviewed-by: Rander Wang Reviewed-by: Pierre-Louis Bossart Signed-off-by: Ranjani Sridharan Link: https://lore.kernel.org/r/20220330201926.1330402-10-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown

ASoC: SOF: debug: clarify operator precedence

2022-03-07T13:12:54+00:00

cppcheck warning: for '&' and '?'. [clarifyCalculation] char *level = flags & SOF_DBG_DUMP_OPTIONAL ? KERN_DEBUG : KERN_ERR; ^ sound/soc/sof/debug.c:398:46: style: Clarify calculation precedence Reviewed-by: Ranjani Sridharan Reviewed-by: Péter Ujfalusi Signed-off-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20220304205733.62233-10-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown

ASoC: SOF: Convert the generic probe support to SOF client

2022-02-10T15:19:12+00:00

Add a new client driver for probes support and move all the probes-related code from the core to the client driver. The probes client driver registers a component driver with one CPU DAI driver for extraction and creates a new sound card with one DUMMY DAI link with a dummy codec that will be used for extracting audio data from specific points in the audio pipeline. The probes debugfs ops are based on the initial implementation by Cezary Rojewski and have been moved out of the SOF core into the client driver making it easier to maintain. This change will make it easier for the probes functionality to be added for all platforms without having the need to modify the existing(15+) machine drivers. Signed-off-by: Ranjani Sridharan Signed-off-by: Peter Ujfalusi Reviewed-by: Kai Vehmanen Reviewed-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Link: https://lore.kernel.org/r/20220210150525.30756-10-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown