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Commit 67dec192 authored by Mark Greer's avatar Mark Greer Committed by Samuel Ortiz
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NFC: trf7970a: Don't de-assert EN2 unless it was asserted 



When the trf7970a part has the bug related to 'en2-rf-quirk',
the GPIO connected to the EN2 pin will not be asserted by the
driver when powering up so it shouldn't be de-asserted when
powering down.

Signed-off-by: default avatarMark Greer <mgreer@animalcreek.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 581132b6

drivers/nfc/trf7970a.c

+4 −2
Original line number Diff line number Diff line
@@ -1940,6 +1940,8 @@ static int trf7970a_power_down(struct trf7970a *trf) 
	}



	gpio_set_value(trf->en_gpio, 0);



	if (!(trf->quirks & TRF7970A_QUIRK_EN2_MUST_STAY_LOW))

		if (gpio_is_valid(trf->en2_gpio))

			gpio_set_value(trf->en2_gpio, 0);