From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heikki Krogerus Subject: [PATCH 5/5] net: rfkill: gpio: add ACPI support Date: Wed, 16 Oct 2013 13:53:43 +0300 Message-ID: <1381920823-15403-6-git-send-email-heikki.krogerus@linux.intel.com> References: <1381920823-15403-1-git-send-email-heikki.krogerus@linux.intel.com> Cc: Johannes Berg , Rhyland Klein , "Rafael J. Wysocki" , linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "John W. Linville" Return-path: In-Reply-To: <1381920823-15403-1-git-send-email-heikki.krogerus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Including ACPI ID for Broadcom GPS receiver BCM4752. Signed-off-by: Heikki Krogerus --- net/rfkill/rfkill-gpio.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index 2dd78c6..5620d3c 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -24,6 +24,8 @@ #include #include #include +#include +#include #include @@ -70,6 +72,23 @@ static const struct rfkill_ops rfkill_gpio_ops = { .set_block = rfkill_gpio_set_power, }; +static int rfkill_gpio_acpi_probe(struct device *dev, + struct rfkill_gpio_data *rfkill) +{ + const struct acpi_device_id *id; + + id = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!id) + return -ENODEV; + + rfkill->name = dev_name(dev); + rfkill->type = (unsigned)id->driver_data; + rfkill->reset_gpio = acpi_get_gpio_by_index(dev, 0, NULL); + rfkill->shutdown_gpio = acpi_get_gpio_by_index(dev, 1, NULL); + + return 0; +} + static int rfkill_gpio_probe(struct platform_device *pdev) { struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data; @@ -82,7 +101,11 @@ static int rfkill_gpio_probe(struct platform_device *pdev) if (!rfkill) return -ENOMEM; - if (pdata) { + if (ACPI_HANDLE(&pdev->dev)) { + ret = rfkill_gpio_acpi_probe(&pdev->dev, rfkill); + if (ret) + return ret; + } else if (pdata) { clk_name = pdata->power_clk_name; rfkill->name = pdata->name; rfkill->type = pdata->type; @@ -170,12 +193,18 @@ static int rfkill_gpio_remove(struct platform_device *pdev) return 0; } +static const struct acpi_device_id rfkill_acpi_match[] = { + { "BCM4752", RFKILL_TYPE_GPS }, + { }, +}; + static struct platform_driver rfkill_gpio_driver = { .probe = rfkill_gpio_probe, .remove = rfkill_gpio_remove, .driver = { .name = "rfkill_gpio", .owner = THIS_MODULE, + .acpi_match_table = ACPI_PTR(rfkill_acpi_match), }, }; -- 1.8.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html