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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: IuB0uWGy5R25j7d52x8wyZTYb+hNVablo8n/qKotcvukGXBlODQJumml6/u2mVVdp6zq86X34bhDTPLlSkJXaNasxgb8Pook91yLGA+s5xLC/RdAH/iVr2o2Wd5AD2c9pQwNBTKzSFVsIeniSzPYrHYDhS8wG1f4S743QQ56qecjz6IyeXrkG5nqbxZZvY7lDQjHxiIMQirWaCNYaxqaG4Tgbx9loee3hKG2Bu9VWCILPaIAGzG4Wg7RrxrcDhFW5lZ6TjFSpvQlK0Q/xmK7rodGZlVjS5m8sB9DUMFDnahf3KlexeC4LKMuIKIOebgkXgjOn9KeRZfOgl8IZrR0t8FhXpvm0ffzEfmvn+uzugiyR83EZC8h+Yp0vrOtzksbfWPELceQQvKREKSe3VsQe8T7cbBnpMZ0i3oj0YoWBcn3FWjJY4ZyVVSAMDim60we X-Exchange-RoutingPolicyChecked: DnROL7tzYm12cqMsyXHjR9LEFnlf0q+WcnferLC1NaknKqQrlRTD8yRxg+iUYWClIQIVrR5yRWj1cMSWRr3Ligd4r+Yx2qkcVUz1GEW5K0ptcgd3Fe5WlITQLzuZzOZIJF7eghbYXLDDPfRzDtqeAGybmmuq9EG7SvyXPVLnvTwVl/xxog+zoRsbeygX1mxOY+UZVNj/4P4rUxvmU7tT3yEp1YNSWgdH0avBDmhE8ive2c2FaoJfh27cIue2ocQ2JhSUkmMxMwOQeepNsOj8+VOtDwwJXyY2FHitWelJqy3VA7y+7qUbKixe+HjOnP2xSVDYVyura38UC+2JbTRs0w== X-OriginatorOrg: opensource.cirrus.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2026 15:33:40.0053 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bd343bba-b8f2-4eeb-6f7b-08df0dbe8ef5 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-SJ5PEPF000001C8.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR19MB997555 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA4MDE2NyBTYWx0ZWRfXw29ZVFvdCGvJ Neys7zJ9etT8fb/Q9QDyyIOxu0s8lWPlSGW9vesyRdavoR7OgnaU1tBAqsvtVHKEUX0QtbjLBjz xaE8RU9Rubd0HC3D95gLiYS4lA4cQ1Q= X-Proofpoint-ORIG-GUID: LxEbMoWWYPUy8QjWSsubUiXu7I4kLogy X-Proofpoint-GUID: LxEbMoWWYPUy8QjWSsubUiXu7I4kLogy X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA4MDE2NyBTYWx0ZWRfX8zlQ67vaPEmX KHaNu5fS/iAk4xr104m/q3FI/d8twcWpElHrb/0cmtsZUyyi2oh66vAr7c/NZp96ybfSNe0D6Br WTGU84rEWSyrMrClICHAWu1VkglpWcfVn4RfKI+bpYEkqS0a0Yv0xsb4skHLJf+mMelOTtpcaO3 YV8kIGtiLoi0Pa4CMWWFI1ewkbrVqzue17P3MMqhTtf+II6B4g0YQAHMZbbwXEa3V6bfZLaqmnj QfuboacEvut5YGzjZmw4Wr8pSVEimU5gAhFThpyAV2t9/Qsult6ASfRX395Gd8mBAVWZa8uQ9HF ILUpe7Ax+kWB1SSJ9YVeTev6Qg9G00/RT71znfMy3XG7fHNuQQ920Rd67Ryrnw6hyky9+w/qe5q UIZByeMme6HreL2Hi5oy4Wa3wBu27fPwyVcKX1Lmh5RPmLMr2JjnBQvh31hpOaz7CUhLt6Phgj8 MDs4vLVoK1iB/D8ScWQ== X-Authority-Analysis: v=2.4 cv=fK4JG5ae c=1 sm=1 tr=0 ts=6aa02ad9 cx=c_pps a=SHLTN7Gfr/mm2tH/IiG+Iw==:117 a=h1hSm8JtM9GN1ddwPAif2w==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s63m1ICgrNkA:10 a=RWc_ulEos4gA:10 a=VkNPw1HP01LnGYTKEx00:22 a=iX4cTi3TZMoOKdANLEfx:22 a=Dj2-6B8FqX4mGL0U3gbX:22 a=tDm2drA1hDsPoIlPH9sA:9 a=CjuIK1q_8ugA:10 a=jZz-an6Pvt0H8_Yc_ROU:22 a=VlVynqX4KLlZR1Cn4-IV:22 X-Proofpoint-Spam-Reason: safe On Tue, Sep 08, 2026 at 04:22:53PM +0200, Pierre-Louis Bossart wrote: > >>> That's why the current series takes the lower-overhead path > >>> (mechanical transcription in C) rather than proposing an intermediate > >>> DT format as part of this submission. If the concept-DT direction > >>> gets traction at LPC 2026 DT MC, we can revisit. > >> > >> This part I follow slightly better, I would be happy to proceed, > >> pending reviews with the current approach, although if Pierre > >> is or not probably remains to be seen. > > > > @Pierre > > Please let us know if you are okay with this approach of C structures. > Now that I have more context, I don't have any objections with Srini's > proposal. It'd a good step forward to use common class drivers across > multiple vendors, we'll probably find a couple of bugs or harden the > SDCA core and that'd be good progress for everyone developing or > depending on the ASoC/SoundWire/SDCA frameworks. > > If this means that in an intermediate step C tables are used, that's > fine with me. In the long run, things might change with additional > options such as: > a) ACPI support on all platforms > b) DT hybrid mode to reuse ACPI/DSDT tables > c) DT native representation of properties. > We can review the preferred direction when the platform firmware > plumbing improves. > > I believe the point about binary/opaque data was noted by Srini, it can > be handled in multiple ways and there's no reason to block. > > Best to start small at the SDCA level with incremental changes later on > how to fetch DisCo information from platform firmware - that wouldn't > change the system behavior, only optimize by making the translation from > DSDT to C tables un-necessary. Super, thanks Pierre. I will start working through a more detailed review of the series. Thanks, Charles