diff options
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/trf7970a.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 6ee7b038823d..eee5cc1a9220 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -2049,6 +2049,13 @@ static int trf7970a_probe(struct spi_device *spi) 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, trf7970a_irq, IRQF_TRIGGER_RISING | IRQF_ONESHOT, |