From: Thierry Escande Date: Thu, 16 Jun 2016 18:25:23 +0000 (+0200) Subject: NFC: port100: Abort current command before switching RF off X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9f0c4542c49cbd041f2b6943b16644af0a3ff48f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git NFC: port100: Abort current command before switching RF off If a command is still being processed by the device, the switch RF off command will be rejected. With this patch, the port100 driver calls port100_abort_cmd() before sending the switch RF off command. Signed-off-by: Thierry Escande Signed-off-by: Samuel Ortiz --- diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c index 481cb435e19f..2b2330b235e6 100644 --- a/drivers/nfc/port100.c +++ b/drivers/nfc/port100.c @@ -1050,6 +1050,10 @@ static int port100_switch_rf(struct nfc_digital_dev *ddev, bool on) *skb_put(skb, 1) = on ? 1 : 0; + /* Cancel the last command if the device is being switched off */ + if (!on) + port100_abort_cmd(ddev); + resp = port100_send_cmd_sync(dev, PORT100_CMD_SWITCH_RF, skb); if (IS_ERR(resp))