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Tue, 24 Mar 2026 14:42:17 -0700 (PDT) Received: from TC-LAPTOP.lan ([209.76.64.37]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2c1536aa870sm3284180eec.2.2026.03.24.14.42.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2026 14:42:17 -0700 (PDT) From: Thierry Chatard To: linux-kernel@vger.kernel.org Cc: linux-media@vger.kernel.org, platform-driver-x86@vger.kernel.org, lee@kernel.org, djrscally@gmail.com, hansg@kernel.org, ilpo.jarvinen@linux.intel.com, mchehab@kernel.org, sakari.ailus@linux.intel.com, jacopo.mondi@ideasonboard.com, nicholas@rothemail.net, Thierry Chatard Subject: [PATCH v2 5/5] media: ov8858: add ACPI device ID INT3477 and vsio power supply Date: Tue, 24 Mar 2026 14:41:29 -0700 Message-ID: <20260324214129.17300-6-tchatard@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260324214129.17300-1-tchatard@gmail.com> References: <20260320000937.9177-1-tchatard@gmail.com> <20260324214129.17300-1-tchatard@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Omnivision OV8858 appears in ACPI firmware under the HID INT3477 on Intel IPU3-based platforms such as the Dell Latitude 5285 2-in-1. Add INT3477 to the ACPI match table so the driver binds when instantiated by ipu_bridge. On the Dell Latitude 5285 the OV8858 is powered through a TPS68470 PMIC. The TPS68470 VSIO regulator controls the S_I2C_CTL register (0x43) which enables I2C passthrough to the sensor. The board data for this machine maps VSIO to the supply name "vsio" for INT3477. Add "vsio" to ov8858_supply_names[] so the driver requests this regulator at probe time. The existing supply array had a duplicate "dvdd" entry; replace it with the new "vsio" entry and reorder to: avdd, dvdd, dovdd, vsio. Signed-off-by: Thierry Chatard --- drivers/media/i2c/ov8858.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov8858.c b/drivers/media/i2c/ov8858.c index 3f45f7fab..5bfea237b 100644 --- a/drivers/media/i2c/ov8858.c +++ b/drivers/media/i2c/ov8858.c @@ -79,8 +79,9 @@ static const char * const ov8858_supply_names[] = { "avdd", /* Analog power */ - "dovdd", /* Digital I/O power */ "dvdd", /* Digital core power */ + "dovdd", /* Digital I/O power */ + "vsio", /* Secondary I2C / S_I2C_CTL enable */ }; struct regval { @@ -1981,11 +1982,18 @@ static const struct of_device_id ov8858_of_match[] = { }; MODULE_DEVICE_TABLE(of, ov8858_of_match); +static const struct acpi_device_id ov8858_acpi_ids[] = { + { "INT3477" }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(acpi, ov8858_acpi_ids); + static struct i2c_driver ov8858_i2c_driver = { .driver = { .name = "ov8858", .pm = &ov8858_pm_ops, .of_match_table = ov8858_of_match, + .acpi_match_table = ACPI_PTR(ov8858_acpi_ids), }, .probe = ov8858_probe, .remove = ov8858_remove, -- 2.51.0