Commit 67dec192 authored by Mark Greer's avatar Mark Greer Committed by Samuel Ortiz

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 <[email protected]>
Signed-off-by: default avatarSamuel Ortiz <[email protected]>
parent 581132b6
......@@ -1940,8 +1940,10 @@ static int trf7970a_power_down(struct trf7970a *trf)
gpio_set_value(trf->en_gpio, 0);
if (gpio_is_valid(trf->en2_gpio))
gpio_set_value(trf->en2_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);
ret = regulator_disable(trf->regulator);
if (ret)
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