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Message-ID: <4820e280-9ca4-4d97-9d21-059626161bfc@molgen.mpg.de> Date: Sat, 23 Dec 2023 10:39:18 +0100 From: Paul Menzel <pmenzel@...gen.mpg.de> To: Jean Delvare <jdelvare@...e.com>, Andi Shyti <andi.shyti@...nel.org> Cc: Pali Rohár <pali@...nel.org>, Wolfram Sang <wsa@...nel.org>, linux-i2c@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, Kai-Heng Feng <kai.heng.feng@...onical.com>, Hans de Goede <hdegoede@...hat.com>, Marius Hoch <mail@...iushoch.de>, Mario Limonciello <mario.limonciello@....com>, Dell.Client.Kernel@...l.com, Greg KH <gregkh@...uxfoundation.org> Subject: Ideas for a generic solution to support accelerometer lis3lv02d in Dell laptops/notebooks? Dear Linux folks, Currently, on Dell systems with the accelerometer lis3lv02d, its I²C address needs to be added to `dell_lis3lv02d_devices[]` in `drivers/i2c/busses/i2c-i801.c`. In Linux 6.7-rc6 that array has nine elements, so only a small fraction of all Dell notebooks is listed. Searching the Linux logs uploaded to the Linux hardware database from May 2023 [1], there are around 129 devices without support in the Linux kernel version the upload was done with. Do you know, how the Microsoft Windows driver is doing this? Is it hard-coded there too, or can it be deduced somehow, for example from the ACPI tables? I added some Kai-Heng and Hans to Cc as they might have contact. Dell offers or offered quite a few of the models with official Ubuntu support, so I would have hoped to have a generic solution for this. Maybe Mario can also forward it to the Dell team. Kind regards, Paul [1]: https://github.com/linuxhw/Dmesg PS: Dell devices in Linux hardware database with accelerometer: linux-hardware-dmesg/Notebook/Dell (main)$ git grep -l ccelerome | cut -d '/' -f 1,2 | sort -u Inspiron/Inspiron 11 - 3147 Inspiron/Inspiron 5520 Inspiron/Inspiron 7547 Inspiron/Inspiron 7548 Latitude/Latitude 12 Rugged Extreme Latitude/Latitude 2110 Latitude/Latitude 2120 Latitude/Latitude 3330 Latitude/Latitude 3380 Latitude/Latitude 3400 Latitude/Latitude 3470 Latitude/Latitude 3480 Latitude/Latitude 3490 Latitude/Latitude 3500 Latitude/Latitude 3570 Latitude/Latitude 3580 Latitude/Latitude 3590 Latitude/Latitude 5280 Latitude/Latitude 5290 Latitude/Latitude 5400 Latitude/Latitude 5401 Latitude/Latitude 5410 Latitude/Latitude 5411 Latitude/Latitude 5414 Latitude/Latitude 5420 Rugged Latitude/Latitude 5424 Rugged Latitude/Latitude 5480 Latitude/Latitude 5490 Latitude/Latitude 5491 Latitude/Latitude 5500 Latitude/Latitude 5501 Latitude/Latitude 5510 Latitude/Latitude 5511 Latitude/Latitude 5531 Latitude/Latitude 5580 Latitude/Latitude 5590 Latitude/Latitude 5591 Latitude/Latitude 7214 Latitude/Latitude 7414 Latitude/Latitude 7424 Rugged Extreme Latitude/Latitude E4310 Latitude/Latitude E5270 Latitude/Latitude E5410 Latitude/Latitude E5420 Latitude/Latitude E5420m Latitude/Latitude E5430 non-vPro Latitude/Latitude E5430 vPro Latitude/Latitude E5440 Latitude/Latitude E5470 Latitude/Latitude E5510 Latitude/Latitude E5520 Latitude/Latitude E5520m Latitude/Latitude E5530 non-vPro Latitude/Latitude E5530 vPro Latitude/Latitude E5540 Latitude/Latitude E5570 Latitude/Latitude E6220 Latitude/Latitude E6230 Latitude/Latitude E6320 Latitude/Latitude E6330 Latitude/Latitude E6410 Latitude/Latitude E6420 Latitude/Latitude E6430 Latitude/Latitude E6430s Latitude/Latitude E6440 Latitude/Latitude E64406342Q0286- Latitude/Latitude E6510 Latitude/Latitude E6520 Latitude/Latitude E6530 Latitude/Latitude E6540 Latitude/Latitude E7440 Latitude/Latitude XT3 Precision/Precision 3510 Precision/Precision 3520 Precision/Precision 3530 Precision/Precision 3540 Precision/Precision 3541 Precision/Precision 3550 Precision/Precision 3551 Precision/Precision 3571 Precision/Precision 5510 Precision/Precision 5520 Precision/Precision 5530 Precision/Precision 5540 Precision/Precision 7510 Precision/Precision 7520 Precision/Precision 7530 Precision/Precision 7540 Precision/Precision 7710 Precision/Precision 7720 Precision/Precision 7730 Precision/Precision 7740 Precision/Precision M2800 Precision/Precision M3800 Precision/Precision M4500 Precision/Precision M4600 Precision/Precision M4700 Precision/Precision M4800 Precision/Precision M6600 Precision/Precision M6700 Precision/Precision M6800 Studio/Studio 1458 Studio/Studio 1557 Studio/Studio 1558 Studio/Studio 1569 Studio/Studio 1747 Studio/Studio 1749 Unidentified/Unidentified System Vostro/Vostro 3300 Vostro/Vostro 3350 Vostro/Vostro 3400 Vostro/Vostro 3500 Vostro/Vostro 3550 Vostro/Vostro 3560 Vostro/Vostro 3700 Vostro/Vostro 5468 Vostro/Vostro 5471 Vostro/Vostro 5568 Vostro/Vostro 7580 Vostro/Vostro V130 Vostro/Vostro V131 XPS/XPS 15 7590 XPS/XPS 15 9530 XPS/XPS 15 9550 XPS/XPS 15 9560 XPS/XPS 15 9570 XPS/XPS L401X XPS/XPS L412Z XPS/XPS L421X XPS/XPS L501X XPS/XPS L521X XPS/XPS L701X Unsupported: $ git grep ccelerome | grep "is present on SMBus" | cut -d '/' -f 1,2 | sort -u | wc -l 129
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