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Re: [PATCH v3] NFC: trf7970a: Correct register settings for 27MHz clock

From Mark Greer <mgreer@animalcreek.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3] NFC: trf7970a: Correct register settings for 27MHz clock
Date 2017-04-27 19:20 +0200
Message-ID <tAVfb-3DH-9@gated-at.bofh.it> (permalink)
References <tASU2-1Wr-17@gated-at.bofh.it>
Organization Animal Creek Technologies, Inc.

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On Thu, Apr 27, 2017 at 10:41:59AM -0400, Geoff Lansberry wrote:
> In prior commits the selected clock frequency does not propagate
> correctly to what is written the the TRF7970A_MODULATOR_SYS_CLK_CTRL
                               ^^^^^^^
s/the the/to the/

> register.
> 
> Signed-off-by: Geoff Lansberry <geoff@kuvee.com>
> ---
>  drivers/nfc/trf7970a.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
> index 6ed5d7e..f7fee7d 100644
> --- a/drivers/nfc/trf7970a.c
> +++ b/drivers/nfc/trf7970a.c
> @@ -2067,6 +2067,13 @@ 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,
> -- 
> 2.7.4

With the suggested fix above:

Acked-by: Mark Greer <mgreer@animalcreek.com>

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Thread

[PATCH v3] NFC: trf7970a: Correct register settings for 27MHz clock Geoff Lansberry <geoff@kuvee.com> - 2017-04-27 16:50 +0200
  Re: [PATCH v3] NFC: trf7970a: Correct register settings for 27MHz  clock Mark Greer <mgreer@animalcreek.com> - 2017-04-27 19:20 +0200

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