diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ar71xx/platform.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/platform.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c b/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c index 3bda20e52d..db804fbb91 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c @@ -372,6 +372,48 @@ err_free_leds: kfree(p); } +void __init ar71xx_add_device_gpio_buttons(int id, + unsigned poll_interval, + unsigned nbuttons, + struct gpio_button *buttons) +{ + struct platform_device *pdev; + struct gpio_buttons_platform_data pdata; + struct gpio_button *p; + int err; + + p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + memcpy(p, buttons, nbuttons * sizeof(*p)); + + pdev = platform_device_alloc("gpio-buttons", id); + if (!pdev) + goto err_free_buttons; + + pdata.poll_interval = poll_interval; + pdata.nbuttons = nbuttons; + pdata.buttons = p; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto err_put_pdev; + + + err = platform_device_add(pdev); + if (err) + goto err_put_pdev; + + return; + +err_put_pdev: + platform_device_put(pdev); + +err_free_buttons: + kfree(p); +} + void __init ar71xx_set_mac_base(char *mac_str) { u8 tmp[ETH_ALEN]; |