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From: Thierry Chatard <tchatard@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: hansg@kernel.org, lee@kernel.org,
	platform-driver-x86@vger.kernel.org,
	ilpo.jarvinen@linux.intel.com, djrscally@gmail.com,
	linux-media@vger.kernel.org, mchehab@kernel.org,
	sakari.ailus@linux.intel.com, jacopo.mondi@ideasonboard.com,
	nicholas@rothemail.net, Thierry Chatard <tchatard@gmail.com>
Subject: [PATCH v4 0/5] Enable cameras on Dell Latitude 5285 2-in-1
Date: Tue, 21 Apr 2026 15:52:12 -0700	[thread overview]
Message-ID: <20260421225217.12472-1-tchatard@gmail.com> (raw)
In-Reply-To: <aeMvy5aL0hSNNmEd@kekkonen.localdomain>

This series enables the front (OV5670/INT3479) and rear (OV8858/INT3477)
cameras on the Dell Latitude 5285 2-in-1 under Linux.

Changes since v3 (addressing feedback from Sakari Ailus and Hans de Goede):
- Patch 1: Fix multi-line comment style (blank opening line).
- Patch 2: Fix multi-line comment style; change n_consumers and loop
  variable i from int to unsigned int; remove spurious (int) cast.
- Patch 3: Rework regulator mapping per Hans's review:
    * VIO has no enable register and is always-on at hardware level; it
      must never have direct software consumers.  Rename
      surface_go_tps68470_vio_reg_init_data to generic_tps68470_vio_reg_init_data
      (used by both Surface Go and Dell 5285) and remove all VIO consumers.
    * Map VSIO to dovdd/INT3477 instead of vsio/INT3477.  Enabling VSIO
      sets S_I2C_CTL (reg 0x43) which opens the I2C passthrough to OV8858;
      since ov8858 enables dovdd before any I2C transaction, the passthrough
      is guaranteed to be active in time without marking VSIO always_on.
    * Remove always_on from VSIO (was a workaround; no longer needed).
    * Update commit message to reflect the new design.
- Patch 5: Remove "vsio" from ov8858_supply_names[] (VSIO now maps to
  "dovdd", which the driver already requests); remove ACPI_PTR() wrapper
  (unnecessary when the ACPI table is declared unconditionally); update
  commit message and title.
- Patches 4: Unchanged.

Tested on Ubuntu 25.10, kernel 6.17.0-22-generic.  Both cameras working
in Zoom, Chrome, and GNOME Camera via PipeWire.

Thierry Chatard (5):
  platform/x86: intel_lpss: add resource conflict quirk for Dell Latitude 5285
  platform/x86: int3472: tps68470: fix clock consumer registration for Dell Latitude 5285
  platform/x86: int3472: tps68470: add board data for Dell Latitude 5285
  media: ipu-bridge: add sensor configuration for OV8858 (INT3477)
  media: ov8858: add ACPI device ID INT3477


  reply	other threads:[~2026-04-21 22:52 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-20  0:09 [PATCH 0/5] Enable dual cameras on Dell Latitude 5285 2-in-1 Thierry Chatard
2026-03-20  0:09 ` [PATCH 1/5] platform/x86: intel_lpss: add resource conflict quirk for Dell Latitude 5285 Thierry Chatard
2026-03-20  0:09 ` [PATCH 2/5] platform/x86: int3472: tps68470: fix GNVS clock fields " Thierry Chatard
2026-03-21  9:44   ` kernel test robot
2026-03-20  0:09 ` [PATCH 3/5] platform/x86: int3472: tps68470: add board data " Thierry Chatard
2026-03-20  0:09 ` [PATCH 4/5] media: ipu-bridge: add sensor configuration for OV8858 (INT3477) Thierry Chatard
2026-03-20  0:09 ` [PATCH 5/5] media: ov8858: add ACPI device ID INT3477 and vsio power supply Thierry Chatard
2026-03-24 21:41 ` [PATCH v2 0/5] Enable dual cameras on Dell Latitude 5285 2-in-1 Thierry Chatard
2026-03-24 21:41   ` [PATCH v2 1/3] platform/x86: intel_lpss: add resource conflict quirk for Dell Latitude 5285 Thierry Chatard
2026-04-13  9:48     ` Hans de Goede
2026-03-24 21:41   ` [PATCH v2 2/3] platform/x86: int3472: tps68470: fix GNVS clock fields " Thierry Chatard
2026-04-13 11:02     ` Hans de Goede
2026-04-17 16:32       ` [PATCH v3 0/5] Enable cameras on Dell Latitude 5285 2-in-1 Thierry Chatard
2026-04-17 16:32         ` [PATCH v3 1/5] platform/x86: intel_lpss: add resource conflict quirk for Dell Latitude 5285 Thierry Chatard
2026-04-17 17:35           ` Hans de Goede
2026-04-18  6:31           ` Sakari Ailus
2026-04-17 16:32         ` [PATCH v3 2/5] platform/x86: int3472: tps68470: fix clock consumer registration " Thierry Chatard
2026-04-17 17:40           ` Hans de Goede
2026-04-18  6:29           ` Sakari Ailus
2026-04-17 16:32         ` [PATCH v3 3/5] platform/x86: int3472: tps68470: add board data " Thierry Chatard
2026-04-17 18:54           ` Hans de Goede
2026-04-18  7:16             ` Sakari Ailus
2026-04-21 22:52               ` Thierry Chatard [this message]
2026-04-21 22:52                 ` [PATCH v4 1/5] platform/x86: intel_lpss: add resource conflict quirk " Thierry Chatard
2026-04-21 22:52                 ` [PATCH v4 2/5] platform/x86: int3472: tps68470: fix clock consumer registration " Thierry Chatard
2026-04-21 22:52                 ` [PATCH v4 3/5] platform/x86: int3472: tps68470: add board data " Thierry Chatard
2026-04-21 22:52                 ` [PATCH v4 4/5] media: ipu-bridge: add sensor configuration for OV8858 (INT3477) Thierry Chatard
2026-04-21 22:52                 ` [PATCH v4 5/5] media: ov8858: add ACPI device ID INT3477 Thierry Chatard
2026-04-17 16:32         ` [PATCH v3 4/5] media: ipu-bridge: add sensor configuration for OV8858 (INT3477) Thierry Chatard
2026-04-17 18:56           ` Hans de Goede
2026-04-18  7:18           ` Sakari Ailus
2026-04-17 16:32         ` [PATCH v3 5/5] media: ov8858: add ACPI device ID INT3477 and vsio power supply Thierry Chatard
2026-04-17 18:59           ` Hans de Goede
2026-04-17 16:35       ` [PATCH v2 2/3] platform/x86: int3472: tps68470: fix GNVS clock fields for Dell Latitude 5285 tchatard
2026-03-24 21:41   ` [PATCH v2 3/3] platform/x86: int3472: tps68470: add board data " Thierry Chatard
2026-03-24 21:41   ` [PATCH v2 4/5] media: ipu-bridge: add sensor configuration for OV8858 (INT3477) Thierry Chatard
2026-03-24 21:41   ` [PATCH v2 5/5] media: ov8858: add ACPI device ID INT3477 and vsio power supply Thierry Chatard
2026-04-13  9:45   ` [PATCH v2 0/5] Enable dual cameras on Dell Latitude 5285 2-in-1 Hans de Goede

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