gpio: arizona: Support Cirrus Logic CS47L24 and WM1831

The CS47L24 and WM1831 codecs only have two GPIO lines, but are
otherwise similar to the WM8280.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index ca002739616af3969431482de5a9df6a6e96a975..624ea5421995d69dac130b601bf4bdfa1389d398 100644 (file)
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -122,6 +122,10 @@ static int arizona_gpio_probe(struct platform_device *pdev)
        case WM1814:
                arizona_gpio->gpio_chip.ngpio = 5;
                break;
+       case WM1831:
+       case CS47L24:
+               arizona_gpio->gpio_chip.ngpio = 2;
+               break;
        default:
                dev_err(&pdev->dev, "Unknown chip variant %d\n",
                        arizona->type);