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Commit ddde7082 authored by Hans de Goede's avatar Hans de Goede Committed by Matthew Garrett
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dell-laptop: If there is no hwswitch, then clear all hw-controlled bits 



To ensure we don't enter any hw-switch related code paths on machines without
a hw-switch.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMatthew Garrett <matthew.garrett@nebula.com>
parent 2a925518

drivers/platform/x86/dell-laptop.c

+3 −0
Original line number Diff line number Diff line
@@ -548,6 +548,9 @@ 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 & (1<<2|1<<8)) == (1<<2|1<<8)) {