Merge "NFC: add hw reset before testing hw presence." (52fcc964) · Commits · e / devices / android_kernel_sony_msm8994

drivers/nfc/nfc-nci.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -1266,8 +1266,12 @@ static int qca199x_probe(struct i2c_client *client,
		goto err_free_dev;
		}

		/* Put device in ULPM */
		gpio_set_value(platform_data->dis_gpio, 0);
		/* Guarantee that the NFCC starts in a clean state. */
		gpio_set_value(platform_data->dis_gpio, 1);/* HPD */
		usleep(200);
		gpio_set_value(platform_data->dis_gpio, 0);/* ULPM */
		usleep(200);

		r = nfcc_hw_check(client, platform_data->reg);
		if (r) {
		/* We don't think there is hardware but just in case HPD */