diff options
| author | Dzmitry Sankouski <dsankouski@gmail.com> | 2023-01-22 18:21:24 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-02-10 20:50:01 +0300 |
| commit | ea6fdc135954186ada5df9cca3f063a9a785d1b2 (patch) | |
| tree | 7da52a5aafa491db923bb77352acaf08f268cd97 /drivers | |
| parent | 298ffdd5d65c4d67b958080c1a712f8f1c923af3 (diff) | |
| download | u-boot-ea6fdc135954186ada5df9cca3f063a9a785d1b2.tar.xz | |
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')
| -rw-r--r-- | drivers/button/button-gpio.c | 17 | ||||
| -rw-r--r-- | drivers/button/button-uclass.c | 10 |
2 files changed, 26 insertions, 1 deletions
diff --git a/drivers/button/button-gpio.c b/drivers/button/button-gpio.c index dbb000622c..7b5b3affe2 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[] = { diff --git a/drivers/button/button-uclass.c b/drivers/button/button-uclass.c index e33ed7d01d..032191d61a 100644 --- a/drivers/button/button-uclass.c +++ b/drivers/button/button-uclass.c @@ -38,6 +38,16 @@ enum button_state_t button_get_state(struct udevice *dev) return ops->get_state(dev); } +int button_get_code(struct udevice *dev) +{ + struct button_ops *ops = button_get_ops(dev); + + if (!ops->get_code) + return -ENOSYS; + + return ops->get_code(dev); +} + UCLASS_DRIVER(button) = { .id = UCLASS_BUTTON, .name = "button", |