[PATCH 7/8] platform/chrome: of_hw_prober: Support trackpad probing on Corsola family
From: Chen-Yu Tsai <wenst@chromium.org>
Date: 2025-03-12 10:44:14
Also in:
chrome-platform, linux-devicetree, linux-input, linux-mediatek, lkml
Subsystem:
chrome hardware platform support, the rest · Maintainers:
Benson Leung, Tzung-Bi Shih, Linus Torvalds
Various MT8186 Corsola Chromebooks (squirtle, steelix and voltorb families) have second source trackpads that need to be probed. The power supply for these are always on and their reset/enable lines are not exposed. Add them to the probing list. Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> --- drivers/platform/chrome/chromeos_of_hw_prober.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/platform/chrome/chromeos_of_hw_prober.c b/drivers/platform/chrome/chromeos_of_hw_prober.c
index c6992f5cdc76..eb01851e1cf5 100644
--- a/drivers/platform/chrome/chromeos_of_hw_prober.c
+++ b/drivers/platform/chrome/chromeos_of_hw_prober.c@@ -57,6 +57,7 @@ static int chromeos_i2c_component_prober(struct device *dev, const void *_data) } DEFINE_CHROMEOS_I2C_PROBE_DATA_DUMB_BY_TYPE(touchscreen); +DEFINE_CHROMEOS_I2C_PROBE_DATA_DUMB_BY_TYPE(trackpad); DEFINE_CHROMEOS_I2C_PROBE_CFG_SIMPLE_BY_TYPE(trackpad);
@@ -84,6 +85,18 @@ static const struct hw_prober_entry hw_prober_platforms[] = { .compatible = "google,hana", .prober = chromeos_i2c_component_prober, .data = &chromeos_i2c_probe_hana_trackpad, + }, { + .compatible = "google,squirtle", + .prober = chromeos_i2c_component_prober, + .data = &chromeos_i2c_probe_dumb_trackpad, + }, { + .compatible = "google,steelix", + .prober = chromeos_i2c_component_prober, + .data = &chromeos_i2c_probe_dumb_trackpad, + }, { + .compatible = "google,voltorb", + .prober = chromeos_i2c_component_prober, + .data = &chromeos_i2c_probe_dumb_trackpad, }, };
--
2.49.0.rc0.332.g42c0ae87b1-goog