commit cfb64803f8e557f76a2d2c2890087fa29c251403
author Gaurav Singhal <gsinghal@codeaurora.org> Wed Aug 30 17:03:58 2017 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Sun Sep 10 22:12:34 2017 -0700
tree 6d1c9e2df4e7bfb5611164ffc5af7975c12bd74c
parent 9e7001212328b302d07732932ddb7f72944b179a

NFC: Add delay to update eSE power state

Added delay to ensure eSE power state updated properly.

Change-Id: If76233da8ceb08e00e3eaf891b5cb238bf2cd38a
Signed-off-by: Gaurav Singhal <gsinghal@codeaurora.org>

drivers/nfc/nq-nci.c

diff --git a/drivers/nfc/nq-nci.c b/drivers/nfc/nq-nci.c
index baa4f94..ea4bedf 100644
--- a/drivers/nfc/nq-nci.c
+++ b/drivers/nfc/nq-nci.c
@@ -354,6 +354,7 @@
 				usleep_range(1000, 1100);
 			}
 			gpio_set_value(nqx_dev->ese_gpio, 1);
+			usleep_range(1000, 1100);
 			if (gpio_get_value(nqx_dev->ese_gpio)) {
 				dev_dbg(&nqx_dev->client->dev, "ese_gpio is enabled\n");
 				r = 0;
@@ -406,6 +407,7 @@
 			 * there's no need to send the i2c commands
 			 */
 			gpio_set_value(nqx_dev->ese_gpio, 0);
+			usleep_range(1000, 1100);
 		}
 
 		if (!gpio_get_value(nqx_dev->ese_gpio)) {