Merge "NFC: Fix NFC enable issue after firmware download" (1bc19a8d) · Commits · e / devices / android_kernel_fairphone_FP3

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;
		}