diff options
| author | Mike Looijmans <mike.looijmans@topic.nl> | 2023-07-07 16:29:15 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-07-07 16:54:12 -0700 |
| commit | 0d384e5959dde12717419a3fd77ee62cc10f069f (patch) | |
| tree | ca7f1640ff14debc9f83320d18655aa192f9e222 /drivers/input/touchscreen | |
| parent | ff785255699c78c1b2ca0b21f2ae4a3ea4163bb0 (diff) | |
Input: exc3000 - support power supply regulators
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>
Diffstat (limited to 'drivers/input/touchscreen')
| -rw-r--r-- | drivers/input/touchscreen/exc3000.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/exc3000.c b/drivers/input/touchscreen/exc3000.c index 4af4c1e5d0da..e3f6d21b3c1b 100644 --- a/drivers/input/touchscreen/exc3000.c +++ b/drivers/input/touchscreen/exc3000.c @@ -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); |