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8847c970ea
Trackpad HID device on T14s could be found on two possible slave addresses (hid@15 and hid@2c) on i2c0 instance. With the current state of DT boot, there is no way to patch the device tree at runtime during boot. This, however results in non-functional trackpad on Product Models 21N2ZC5PUS which have trackpad on hid@2c slave address. This patch adds hid@2c device along with hid@15 to get it working on both the variants. This should work as i2c-hid driver will stop probing the device if there is nothing on the slave address, we can actually keep both devices enabled in DT, and i2c-hid driver will only probe the existing one. The only problem is that we cannot setup pinctrl in both device nodes, as two devices with the same pinctrl will cause pin conflict that makes the second device fail to probe. Let's move the pinctrl state up to parent node along with the parent pinctrl to solve this problem. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Johan Hovold <johan+linaro@kernel.org> Link: https://lore.kernel.org/r/20241004130849.2944-1-srinivas.kandagatla@linaro.org Signed-off-by: Bjorn Andersson <andersson@kernel.org> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.