From: Hans de Goede Date: Sun, 17 Nov 2013 13:00:27 +0000 (+0100) Subject: dell-laptop: Only enable rfkill functionality on laptops with a hw killswitch X-Git-Tag: accepted/tizen/common/20141203.182822~1035^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2bd4ac139259bb605fc0325a7dda33e2fbb67ae3;p=platform%2Fkernel%2Flinux-arm64.git dell-laptop: Only enable rfkill functionality on laptops with a hw killswitch All my testing has been on laptops with a hw killswitch, so to be on the safe side disable rfkill functionality on models without a hw killswitch for now. Once we gather some feedback on laptops without a hw killswitch this decision maybe reconsidered. Signed-off-by: Hans de Goede Signed-off-by: Matthew Garrett --- diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index bd67c89..c608b1d 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -580,11 +580,18 @@ static int __init dell_setup_rfkill(void) buffer->input[0] = 0x2; dell_send_request(buffer, 17, 11); hwswitch_state = buffer->output[1]; - /* If there is no hwswitch, then clear all hw-controlled bits */ - if (!(status & BIT(0))) - hwswitch_state &= ~7; release_buffer(); + if (!(status & BIT(0))) { + if (force_rfkill) { + /* No hwsitch, clear all hw-controlled bits */ + hwswitch_state &= ~7; + } else { + /* rfkill is only tested on laptops with a hwswitch */ + return 0; + } + } + if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev, RFKILL_TYPE_WLAN,