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Commit ae67c4e0 authored by Bhuvan Varshney's avatar Bhuvan Varshney
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NFC: Fix NFC enable issue after firmware download 



Changes made to fix NFC enable after firmware
upgrade,downgrade and self-update.

Changes done to align with 9.0.11 MW release from third party.

Change-Id: Ie720866de3f6295caf946c63845d8a35ae34b5b0
Signed-off-by: default avatarBhuvan Varshney <bvarshne@codeaurora.org>
parent 4953b87a

drivers/nfc/nq-nci.c

+26 −0
Original line number Diff line number Diff line
@@ -534,6 +534,32 @@ int nfc_ioctl_power_states(struct file *filp, unsigned long arg) 
		usleep_range(10000, 10100);

		gpio_set_value(nqx_dev->en_gpio, 1);

		usleep_range(10000, 10100);

	} else if (arg == 4) {

		/*

		 * Setting firmware download gpio to HIGH for SN100U

		 * before FW download start

		 */

		dev_dbg(&nqx_dev->client->dev, "SN100 fw gpio HIGH\n");

		if (gpio_is_valid(nqx_dev->firm_gpio)) {

			gpio_set_value(nqx_dev->firm_gpio, 1);

			usleep_range(10000, 10100);

		} else {

			dev_err(&nqx_dev->client->dev,

				"firm_gpio is invalid\n");

		}

	} else if (arg == 6) {

		/*

		 * Setting firmware download gpio to LOW for SN100U

		 * FW download finished

		 */

		dev_dbg(&nqx_dev->client->dev, "SN100 fw gpio LOW\n");

		if (gpio_is_valid(nqx_dev->firm_gpio)) {

			gpio_set_value(nqx_dev->firm_gpio, 0);

			usleep_range(10000, 10100);

		} else {

			dev_err(&nqx_dev->client->dev,

				"firm_gpio is invalid\n");

		}

	} else {

		r = -ENOIOCTLCMD;

	}