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Tue, 21 Apr 2026 15:52:28 -0700 (PDT) From: Thierry Chatard 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 Subject: [PATCH v4 0/5] Enable cameras on Dell Latitude 5285 2-in-1 Date: Tue, 21 Apr 2026 15:52:12 -0700 Message-ID: <20260421225217.12472-1-tchatard@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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