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platform/x86: dell-lis3lv02d: Add Latitude 5400

PATCH In review Dmytro Bagrii 3 participants 3 messages Nov 28, 2025 – Dec 22, 2025 x86 platform drivers

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Dmytro Bagrii

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PATCH 1/1 platform/x86: dell-lis3lv02d: Add Latitude 5400

Add accelerometer address 0x29 for Dell Latitude 5400.

The address is verified as below:

    $ cat /sys/class/dmi/id/product_name
    Latitude 5400
    $ grep -H '' /sys/bus/pci/drivers/i801_smbus/0000\:00*/i2c-*/name
    /sys/bus/pci/drivers/i801_smbus/0000:00:1f.4/i2c-10/name:SMBus I801 adapter at 0000:00:1f.4
    $ i2cdetect 10
    WARNING! This program can confuse your I2C bus, cause data loss and worse!
    I will probe file /dev/i2c-10.
    I will probe address range 0x08-0x77.
    Continue? [Y/n] Y
         0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
    00:                         08 -- -- -- -- -- -- --
    10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
    20: -- -- -- -- -- -- -- -- -- UU -- -- -- -- -- --
    30: 30 -- -- -- -- 35 UU UU -- -- -- -- -- -- -- --
    40: -- -- -- -- 44 -- -- -- -- -- -- -- -- -- -- --
    50: UU -- 52 -- -- -- -- -- -- -- -- -- -- -- -- --
    60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
    70: -- -- -- -- -- -- -- --
    $ xargs -n1 -a /proc/cmdline | grep ^dell_lis3lv02d
    dell_lis3lv02d.probe_i2c_addr=1
    $ dmesg | grep lis3lv02d
    ...
    [  206.012411] i2c i2c-10: Probing for lis3lv02d on address 0x29
    [  206.013727] i2c i2c-10: Detected lis3lv02d on address 0x29, please report this upstream to [email protected] so that a quirk can be added
    [  206.240841] lis3lv02d_i2c 10-0029: supply Vdd not found, using dummy regulator
    [  206.240868] lis3lv02d_i2c 10-0029: supply Vdd_IO not found, using dummy regulator
    [  206.261258] lis3lv02d: 8 bits 3DC sensor found
    [  206.346722] input: ST LIS3LV02DL Accelerometer as /devices/faux/lis3lv02d/input/input17
    $ cat /sys/class/input/input17/name
    ST LIS3LV02DL Accelerometer
Signed-off-by Dmytro Bagrii <[email protected]>
---
 drivers/platform/x86/dell/dell-lis3lv02d.c | 1 +
 1 file changed, 1 insertion(+)
drivers/platform/x86/dell/dell-lis3lv02d.c +1 -0
index 77905a9ddde9..fe52bcd896f7 100644
@@ -44,6 +44,7 @@ static const struct dmi_system_id lis3lv02d_devices[] __initconst = {
 	/*
 	 * Additional individual entries were added after verification.
 	 */
+	DELL_LIS3LV02D_DMI_ENTRY("Latitude 5400",      0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude 5480",      0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude 5500",      0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude E6330",     0x29),
Signature · 1 line
2.52.0
Reviewed-by on v1 1/1
#1 lore raw

Hi,

Quoted 37 lines · Dmytro Bagrii

Add accelerometer address 0x29 for Dell Latitude 5400.

The address is verified as below:

    $ cat /sys/class/dmi/id/product_name
    Latitude 5400
    $ grep -H '' /sys/bus/pci/drivers/i801_smbus/0000\:00*/i2c-*/name
    /sys/bus/pci/drivers/i801_smbus/0000:00:1f.4/i2c-10/name:SMBus I801 adapter at 0000:00:1f.4
    $ i2cdetect 10
    WARNING! This program can confuse your I2C bus, cause data loss and worse!
    I will probe file /dev/i2c-10.
    I will probe address range 0x08-0x77.
    Continue? [Y/n] Y
         0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
    00:                         08 -- -- -- -- -- -- --
    10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
    20: -- -- -- -- -- -- -- -- -- UU -- -- -- -- -- --
    30: 30 -- -- -- -- 35 UU UU -- -- -- -- -- -- -- --
    40: -- -- -- -- 44 -- -- -- -- -- -- -- -- -- -- --
    50: UU -- 52 -- -- -- -- -- -- -- -- -- -- -- -- --
    60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
    70: -- -- -- -- -- -- -- --
    $ xargs -n1 -a /proc/cmdline | grep ^dell_lis3lv02d
    dell_lis3lv02d.probe_i2c_addr=1
    $ dmesg | grep lis3lv02d
    ...
    [  206.012411] i2c i2c-10: Probing for lis3lv02d on address 0x29
    [  206.013727] i2c i2c-10: Detected lis3lv02d on address 0x29, please report this upstream to [email protected] so that a quirk can be added
    [  206.240841] lis3lv02d_i2c 10-0029: supply Vdd not found, using dummy regulator
    [  206.240868] lis3lv02d_i2c 10-0029: supply Vdd_IO not found, using dummy regulator
    [  206.261258] lis3lv02d: 8 bits 3DC sensor found
    [  206.346722] input: ST LIS3LV02DL Accelerometer as /devices/faux/lis3lv02d/input/input17
Quoted 4 lines
    $ cat /sys/class/input/input17/name
    ST LIS3LV02DL Accelerometer
Signed-off-by Dmytro Bagrii <[email protected]>

Thanks, patch looks good to me:

Reviewed-by Hans de Goede <[email protected]>

Regards,

Hans

Quoted 16 lines
---
 drivers/platform/x86/dell/dell-lis3lv02d.c | 1 +
 1 file changed, 1 insertion(+)
drivers/platform/x86/dell/dell-lis3lv02d.c +1 -0
index 77905a9ddde9..fe52bcd896f7 100644
@@ -44,6 +44,7 @@ static const struct dmi_system_id lis3lv02d_devices[] __initconst = {
 	/*
 	 * Additional individual entries were added after verification.
 	 */
+	DELL_LIS3LV02D_DMI_ENTRY("Latitude 5400",      0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude 5480",      0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude 5500",      0x29),
 	DELL_LIS3LV02D_DMI_ENTRY("Latitude E6330",     0x29),
maintainer
#2 lore raw
In reply to Dmytro Bagrii
Quoted 8 lines · Dmytro Bagrii

Add accelerometer address 0x29 for Dell Latitude 5400.

The address is verified as below:

    $ cat /sys/class/dmi/id/product_name
    Latitude 5400

[...]

Thank you for your contribution, it has been applied to my local review-ilpo-fixes branch. Note it will show up in the public platform-drivers-x86/review-ilpo-fixes branch only once I've pushed my local branch there, which might take a while.

The list of commits applied:
[1/1] platform/x86: dell-lis3lv02d: Add Latitude 5400

      commit: a5b9fdd33c59a964a26d12c39b636ef85a25b074

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