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Input: exc3000 - support power supply regulators

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Add power supply regulator support to the exc3000 devices.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/20230707131042.10795-2-mike.looijmans@topic.nl
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Mike Looijmans 2023-07-07 16:29:15 -07:00 committed by Dmitry Torokhov
parent ff78525569
commit 0d384e5959
1 changed files with 7 additions and 0 deletions
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7
drivers/input/touchscreen/exc3000.c
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@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
#include <linux/sizes.h>
#include <linux/timer.h>
#include <asm/unaligned.h>
@ -360,6 +361,12 @@ static int exc3000_probe(struct i2c_client *client)
if (IS_ERR(data->reset))
return PTR_ERR(data->reset);
/* For proper reset sequence, enable power while reset asserted */
error = devm_regulator_get_enable(&client->dev, "vdd");
if (error && error != -ENODEV)
return dev_err_probe(&client->dev, error,
"failed to request vdd regulator\n");
if (data->reset) {
msleep(EXC3000_RESET_MS);
gpiod_set_value_cansleep(data->reset, 0);