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Commit bd751808 authored by Geoff Lansberry's avatar Geoff Lansberry Committed by Samuel Ortiz
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NFC: trf7970a: Correct register settings for 27MHz clock 



In prior commits the selected clock frequency does not propagate
correctly to what is written to the TRF7970A_MODULATOR_SYS_CLK_CTRL
register.

Signed-off-by: default avatarGeoff Lansberry <geoff@kuvee.com>
Acked-by: default avatarMark Greer <mgreer@animalcreek.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent f6a5885f

drivers/nfc/trf7970a.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -2049,6 +2049,13 @@ static int trf7970a_probe(struct spi_device *spi) 
		return -EINVAL;

		return -EINVAL;

	}

	}





	if (clk_freq == TRF7970A_27MHZ_CLOCK_FREQUENCY) {

		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_27MHZ;

		dev_dbg(trf->dev, "trf7970a configured for 27MHz crystal\n");

	} else {

		trf->modulator_sys_clk_ctrl = 0;

	}



	ret = devm_request_threaded_irq(trf->dev, spi->irq, NULL,

	ret = devm_request_threaded_irq(trf->dev, spi->irq, NULL,

					trf7970a_irq,

					trf7970a_irq,

					IRQF_TRIGGER_RISING | IRQF_ONESHOT,

					IRQF_TRIGGER_RISING | IRQF_ONESHOT,