From: Mian Yousaf Kaukab <mian.yousaf.kau...@stericsson.com> Signed-off-by: Lee Jones <lee.jo...@linaro.org> Signed-off-by: Bibek Basu <bibek.b...@stericsson.com> Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kau...@stericsson.com> Reviewed-by: Jonas ABERG <jonas.ab...@stericsson.com> Tested-by: Jonas ABERG <jonas.ab...@stericsson.com> --- drivers/gpio/gpio-ab8500.c | 17 +++++++++++++++++ include/linux/mfd/abx500/ab8500-gpio.h | 3 +++ 2 files changed, 20 insertions(+)
diff --git a/drivers/gpio/gpio-ab8500.c b/drivers/gpio/gpio-ab8500.c index dd95cb3..b71bb72 100644 --- a/drivers/gpio/gpio-ab8500.c +++ b/drivers/gpio/gpio-ab8500.c @@ -507,6 +507,23 @@ static int __devexit ab8500_gpio_remove(struct platform_device *pdev) return 0; } +int ab8500_config_pulldown(struct device *dev, + enum ab8500_pin gpio, bool enable) +{ + u8 offset = gpio - AB8500_PIN_GPIO1; + u8 pos = offset % 8; + u8 val = enable ? 0 : 1; + u8 reg = AB8500_GPIO_PUD1_REG + (offset / 8); + int ret; + + ret = abx500_mask_and_set_register_interruptible(dev, + AB8500_MISC, reg, 1 << pos, val << pos); + if (ret < 0) + dev_err(dev, "%s write failed\n", __func__); + return ret; +} +EXPORT_SYMBOL(ab8500_config_pulldown); + /* * ab8500_gpio_config_select() * diff --git a/include/linux/mfd/abx500/ab8500-gpio.h b/include/linux/mfd/abx500/ab8500-gpio.h index 94e85ca..48325db 100644 --- a/include/linux/mfd/abx500/ab8500-gpio.h +++ b/include/linux/mfd/abx500/ab8500-gpio.h @@ -67,6 +67,9 @@ enum ab8500_pin { AB8500_PIN_GPIO42, }; +int ab8500_config_pulldown(struct device *dev, + enum ab8500_pin gpio, bool enable); + int ab8500_gpio_config_select(struct device *dev, enum ab8500_pin gpio, bool gpio_select); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/