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ASoC: SOF: Add clarifying comments for sof_core_debug and DSP dump flags

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Update the comment for the global SOF level debug flags and add one for
the flags used to control the DSP dump functionality.

Document the expected behavior when the SOF_DBG_DUMP_OPTIONAL is passed
for the DSP dump:
Only print the dump if SOF_DBG_PRINT_ALL_DUMPS is set
Print must use KERN_DEBUG log level

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Chao Song <chao.song@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211223113628.18582-19-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2021-12-23 13:36:26 +02:00 committed by Mark Brown
parent 4995ffce2c
commit beb6ade168
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 2 deletions
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6
sound/soc/sof/sof-priv.h
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@ -20,7 +20,7 @@
#include <uapi/sound/sof/fw.h>
#include <sound/sof/ext_manifest.h>
/* debug flags */
/* Flag definitions used in sof_core_debug (sof_debug module parameter) */
#define SOF_DBG_ENABLE_TRACE BIT(0)
#define SOF_DBG_RETAIN_CTX BIT(1) /* prevent DSP D3 on FW exception */
#define SOF_DBG_VERIFY_TPLG BIT(2) /* verify topology during load */
@ -35,11 +35,13 @@
*/
#define SOF_DBG_PRINT_ALL_DUMPS BIT(6) /* Print all ipc and dsp dumps */
/* Flag definitions used for controlling the DSP dump behavior */
#define SOF_DBG_DUMP_REGS BIT(0)
#define SOF_DBG_DUMP_MBOX BIT(1)
#define SOF_DBG_DUMP_TEXT BIT(2)
#define SOF_DBG_DUMP_PCI BIT(3)
#define SOF_DBG_DUMP_OPTIONAL BIT(4) /* only dump if SOF_DBG_PRINT_ALL_DUMPS is set */
/* Output this dump (at the DEBUG level) only when SOF_DBG_PRINT_ALL_DUMPS is set */
#define SOF_DBG_DUMP_OPTIONAL BIT(4)
/* global debug state set by SOF_DBG_ flags */
bool sof_debug_check_flag(int mask);