Commit 4e007f81 authored Sep 02, 2014 by Mark A. Greer Committed by Samuel Ortiz Sep 07, 2014

NFC: trf7970a: Delay after initialization



The trf7970a should be given at least 1 ms to
completely initialize after the 'Software Init'
and 'Idle' commands have been issued.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

parent 77c9539d

drivers/nfc/trf7970a.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -824,6 +824,8 @@ static int trf7970a_init(struct trf7970a *trf)
	if (ret)		if (ret)
	goto err_out;		goto err_out;

			usleep_range(1000, 2000);

	ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL, 0);		ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL, 0);
	if (ret)		if (ret)
	goto err_out;		goto err_out;