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| author | Nuno Sá <nuno.sa@analog.com> | 2022-08-31 06:13:10 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-08-31 06:16:33 +0200 |
| commit | 73d4a5423ecee8e108056134c53f82c7a95a90d5 (patch) | |
| tree | 3a20603e3e75ec7cb37588ebc40cdd801c5f41bf /drivers | |
| parent | Input: adp5588-keys - add optional reset gpio (diff) | |
| download | linux-73d4a5423ecee8e108056134c53f82c7a95a90d5.tar.xz linux-73d4a5423ecee8e108056134c53f82c7a95a90d5.zip | |
Input: adp5588-keys - add regulator support
Support feeding VCC through a regulator.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220829131553.690063-10-nuno.sa@analog.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/keyboard/adp5588-keys.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 950abc1c25a3..1db6b28db7ba 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -24,6 +24,7 @@ #include <linux/pinctrl/pinconf-generic.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/timekeeping.h> @@ -712,12 +713,18 @@ static int adp5588_fw_parse(struct adp5588_kpad *kpad) return 0; } +static void adp5588_disable_regulator(void *reg) +{ + regulator_disable(reg); +} + static int adp5588_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct adp5588_kpad *kpad; struct input_dev *input; struct gpio_desc *gpio; + struct regulator *vcc; unsigned int revid; int ret; int error; @@ -743,6 +750,19 @@ static int adp5588_probe(struct i2c_client *client, if (error) return error; + vcc = devm_regulator_get(&client->dev, "vcc"); + if (IS_ERR(vcc)) + return PTR_ERR(vcc); + + error = regulator_enable(vcc); + if (error) + return error; + + error = devm_add_action_or_reset(&client->dev, + adp5588_disable_regulator, vcc); + if (error) + return error; + gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(gpio)) return PTR_ERR(gpio); |