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platform/chrome: of_hw_prober: Support trackpad probing on Corsola family

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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>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250421101248.426929-8-wenst@chromium.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
This commit is contained in:
Chen-Yu Tsai
2025-04-21 18:12:45 +08:00
committed by Tzung-Bi Shih
parent 31d3bd592d
commit 73d32c3e74
1 changed files with 13 additions and 0 deletions
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13
drivers/platform/chrome/chromeos_of_hw_prober.c
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@@ -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);
@@ -88,6 +89,18 @@ static const struct hw_prober_entry hw_prober_platforms[] = {
.compatible = "google,spherion",
.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,
},
};