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d81c03f05e
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
From 0f5b5aa667918b5257a266d071ec64eaa95b72ed Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 16 May 2024 18:26:36 +0100
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Subject: [PATCH] regulator: rpi_panel_v2: Add remove and shutdown hooks
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Add shutdown and remove hooks so that the panel gets powered
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off with the system.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/regulator/rpi-panel-v2-regulator.c | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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--- a/drivers/regulator/rpi-panel-v2-regulator.c
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+++ b/drivers/regulator/rpi-panel-v2-regulator.c
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@@ -104,6 +104,7 @@ static int rpi_panel_v2_i2c_probe(struct
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return -ENOMEM;
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mutex_init(&state->lock);
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+ i2c_set_clientdata(i2c, state);
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regmap = devm_regmap_init_i2c(i2c, &rpi_panel_regmap_config);
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if (IS_ERR(regmap)) {
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@@ -168,6 +169,21 @@ error:
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return ret;
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}
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+static void rpi_panel_v2_i2c_remove(struct i2c_client *client)
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+{
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+ struct rpi_panel_v2_lcd *state = i2c_get_clientdata(client);
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+
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+ mutex_destroy(&state->lock);
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+}
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+
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+static void rpi_panel_v2_i2c_shutdown(struct i2c_client *client)
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+{
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+ struct rpi_panel_v2_lcd *state = i2c_get_clientdata(client);
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+
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+ regmap_write(state->regmap, REG_PWM, 0);
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+ regmap_write(state->regmap, REG_POWERON, 0);
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+}
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+
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static const struct of_device_id rpi_panel_v2_dt_ids[] = {
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{ .compatible = "raspberrypi,v2-touchscreen-panel-regulator" },
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{},
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@@ -180,6 +196,8 @@ static struct i2c_driver rpi_panel_v2_re
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.of_match_table = of_match_ptr(rpi_panel_v2_dt_ids),
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},
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.probe = rpi_panel_v2_i2c_probe,
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+ .remove = rpi_panel_v2_i2c_remove,
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+ .shutdown = rpi_panel_v2_i2c_shutdown,
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};
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module_i2c_driver(rpi_panel_v2_regulator_driver);
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