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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: aSjbFAZZF3jjKQ60qWvojGJuwz1L10WSnDh215rw19ckGyyz2CJgvl1MydXRHwHnheXHc3k2VFvQavHtaA0+4ZgNO7HgSCClcxtrJI4nezKc+o5kk53ATo84tSJHQBbDV3nlgNPjT7yP8yMuvWssX47UMXKWYpdRwQlheTjNgX9kzSe3Pgxeu9uVri0fPk6YwfNTsHlnSpSDPtm0bqT8AuNjaL6EGcj5mLLZbufkDg3nOB9lI615xMeQg3LkcgfGIaNu3b9D2VRLOzXN4/uz6LppcMmj16RRZMqUZBQS55NHCRrycY5VYblP1hPmeweb9QeDhz9hFpMHqtltwhfUd4OzFubII7Z/EkWi79ucvAfUIqCGRmkoT4lG0SAPn2mSsXgXItEQDU/mSerl4JxfRUbr24/6S0aPh84ZT/ajd+8C/HNfsH4YMlk9NG2F+6IU X-OriginatorOrg: opensource.cirrus.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Feb 2026 16:18:37.0919 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2734fb24-c6ce-4123-f20a-08de73c05d90 X-MS-Exchange-CrossTenant-Id: bec09025-e5bc-40d1-a355-8e955c307de8 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=bec09025-e5bc-40d1-a355-8e955c307de8;Ip=[84.19.233.75];Helo=[edirelay1.ad.cirrus.com] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-CY4PEPF0000E9D3.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR19MB6169 X-Authority-Analysis: v=2.4 cv=OZiVzxTY c=1 sm=1 tr=0 ts=699dcf60 cx=c_pps a=anORMkbxiaoIRYctk5qcAw==:117 a=h1hSm8JtM9GN1ddwPAif2w==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=HzLeVaNsDn8A:10 a=s63m1ICgrNkA:10 a=RWc_ulEos4gA:10 a=VkNPw1HP01LnGYTKEx00:22 a=iX4cTi3TZMoOKdANLEfx:22 a=Dj2-6B8FqX4mGL0U3gbX:22 a=0dS-fIzxx-oUyaO0NY4A:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI0MDEzNSBTYWx0ZWRfX2NajgoBYJQQC f+FeMznD/5jV4AEnjyeBX9EJCBg7Bc26wkkusBN9iUx+aHkcR9Ptb0Ws2NYGLGwqanT0QyoG+63 xYO6MYm2qrHOuGcIgE1h8bbO20zaBROziYVC/4+hKiCJzDVP0uaxtx8txtJUi78vglRrDwgU//C o1UPLWhUZ3q3LBnUQcJdidZ3Jfr4VpWjRs6s6O2/Y+A8p4MF5wqTq/8H1wCga6IzDIFPVpcNmvZ V1k665Ixl4636zpHbroBjjXxIem8Gw5pLdksllep7Bnm7uX6FQhrBL1odQs8ngUGrqbm5xvQwXu b2CkDNHCkOdOCfD6wbIYFpEkYj8+dyQ5zIhu4SAsahtk0RPE5BOC67HAPWpL/zDkvhPJN/XxMHI guiDr7yYeh0XPwabtWOUK6eaMalJ6WkpU1ZZO6nJilweSCD0drug9iIuMDU6BotPgsE9Ptm+lYS 0SzrFe9gHEt2P49vEIw== X-Proofpoint-GUID: zIdCqmj3ejyX_wGKp4RJ8S2n1ujfNtl0 X-Proofpoint-ORIG-GUID: zIdCqmj3ejyX_wGKp4RJ8S2n1ujfNtl0 X-Proofpoint-Spam-Reason: safe When the CS35L41 and CS35L45 drivers suspend, they are put into hibernation, and the regmap goes into cache_only, but the firmware is still running, and wm_adsp is not stopped. If userspace attempts to read a firmware control, it will perform a regmap_raw_read() and this will produce an error in the kernel log. To prevent these spurious errors, add an apis into cs_dsp and wm_adsp to allow wm_adsp to hibernate. In this hibernation mode, reads or writes to the dsp controls would be rejected with -EPERM rather than -EBUSY, and no error will be printed to the kernel log. Changes Since v1: - Fix minor error in cs_dsp API documentation - Add similar patch to use new wm_adsp api for CS35L45 Ricardo Rivera-Matos (1): ASoC: cs35l45: Hibernate wm_adsp on runtime suspend Stefan Binding (3): firmware: cs_dsp: Add API to hibernate the DSP ASoC: codecs: wm_adsp: Allow wm_adsp to hibernate without stopping DSP ASoC: cs35l41: Hibernate wm_adsp on runtime suspend drivers/firmware/cirrus/cs_dsp.c | 49 +++++++++++++++++++++++--- include/linux/firmware/cirrus/cs_dsp.h | 3 ++ sound/soc/codecs/cs35l41.c | 5 +++ sound/soc/codecs/cs35l45.c | 3 ++ sound/soc/codecs/wm_adsp.c | 6 ++++ sound/soc/codecs/wm_adsp.h | 1 + 6 files changed, 63 insertions(+), 4 deletions(-) -- 2.43.0