diff options
| author | Dzmitry Sankouski | 2023-01-22 18:21:24 +0300 |
|---|---|---|
| committer | Tom Rini | 2023-02-10 12:50:01 -0500 |
| commit | ea6fdc135954186ada5df9cca3f063a9a785d1b2 (patch) | |
| tree | 7da52a5aafa491db923bb77352acaf08f268cd97 /drivers/button/button-gpio.c | |
| parent | 298ffdd5d65c4d67b958080c1a712f8f1c923af3 (diff) | |
dm: button: add support for linux_code in button-gpio.c driver
Linux event code must be used in input devices, using buttons.
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/button/button-gpio.c')
| -rw-r--r-- | drivers/button/button-gpio.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/button/button-gpio.c b/drivers/button/button-gpio.c index dbb000622c7..7b5b3affe2d 100644 --- a/drivers/button/button-gpio.c +++ b/drivers/button/button-gpio.c @@ -13,6 +13,7 @@ struct button_gpio_priv { struct gpio_desc gpio; + int linux_code; }; static enum button_state_t button_gpio_get_state(struct udevice *dev) @@ -29,6 +30,17 @@ static enum button_state_t button_gpio_get_state(struct udevice *dev) return ret ? BUTTON_ON : BUTTON_OFF; } +static int button_gpio_get_code(struct udevice *dev) +{ + struct button_gpio_priv *priv = dev_get_priv(dev); + int code = priv->linux_code; + + if (!code) + return -ENODATA; + + return code; +} + static int button_gpio_probe(struct udevice *dev) { struct button_uc_plat *uc_plat = dev_get_uclass_plat(dev); @@ -43,7 +55,9 @@ static int button_gpio_probe(struct udevice *dev) if (ret) return ret; - return 0; + ret = dev_read_u32(dev, "linux,code", &priv->linux_code); + + return ret; } static int button_gpio_remove(struct udevice *dev) @@ -92,6 +106,7 @@ static int button_gpio_bind(struct udevice *parent) static const struct button_ops button_gpio_ops = { .get_state = button_gpio_get_state, + .get_code = button_gpio_get_code, }; static const struct udevice_id button_gpio_ids[] = { |