Unverified Commit 3e1c01d0 authored by Dave Stevenson's avatar Dave Stevenson Committed by Mark Brown
Browse files

regulator: rpi-panel-v2: Add shutdown hook 



Add shutdown hook so that the panel gets powered off with the system.

Signed-off-by: default avatarDave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: default avatarMarek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/20250616154018.430004-1-marek.vasut+renesas@mailbox.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a4eb71ff

drivers/regulator/rpi-panel-v2-regulator.c

+11 −0
Original line number Diff line number Diff line
@@ -89,9 +89,19 @@ static int rpi_panel_v2_i2c_probe(struct i2c_client *i2c) 
	if (ret)

		return dev_err_probe(&i2c->dev, ret, "Failed to create gpiochip\n");



	i2c_set_clientdata(i2c, regmap);



	return devm_pwmchip_add(&i2c->dev, pc);

}



static void rpi_panel_v2_i2c_shutdown(struct i2c_client *client)

{

	struct regmap *regmap = i2c_get_clientdata(client);



	regmap_write(regmap, REG_PWM, 0);

	regmap_write(regmap, REG_POWERON, 0);

}



static const struct of_device_id rpi_panel_v2_dt_ids[] = {

	{ .compatible = "raspberrypi,touchscreen-panel-regulator-v2" },

	{ },
@@ -105,6 +115,7 @@ static struct i2c_driver rpi_panel_v2_regulator_driver = { 
		.of_match_table = rpi_panel_v2_dt_ids,

	},

	.probe = rpi_panel_v2_i2c_probe,

	.shutdown = rpi_panel_v2_i2c_shutdown,

};



module_i2c_driver(rpi_panel_v2_regulator_driver);