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Input: cros_ec_keyb - use cros_ec_cmd_xfer_status helper

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This patch makes use of cros_ec_cmd_xfer_status() instead of
cros_ec_cmd_xfer(). In this case there is no advantage of doing this
apart from that we want to make cros_ec_cmd_xfer() a private function
for the EC protocol and let people only use the
cros_ec_cmd_xfer_status() to return Linux standard error codes.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20200414210434.1534982-1-enric.balletbo@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Enric Balletbo i Serra 2020-04-18 13:50:08 -07:00 committed by Dmitry Torokhov
parent 3f8f770575
commit 0bcee1191f
1 changed files with 5 additions and 9 deletions
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14
drivers/input/keyboard/cros_ec_keyb.c
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@ -347,18 +347,14 @@ static int cros_ec_keyb_info(struct cros_ec_device *ec_dev,
params->info_type = info_type;
params->event_type = event_type;
ret = cros_ec_cmd_xfer(ec_dev, msg);
if (ret < 0) {
dev_warn(ec_dev->dev, "Transfer error %d/%d: %d\n",
(int)info_type, (int)event_type, ret);
} else if (msg->result == EC_RES_INVALID_VERSION) {
ret = cros_ec_cmd_xfer_status(ec_dev, msg);
if (ret == -ENOTSUPP) {
/* With older ECs we just return 0 for everything */
memset(result, 0, result_size);
ret = 0;
} else if (msg->result != EC_RES_SUCCESS) {
dev_warn(ec_dev->dev, "Error getting info %d/%d: %d\n",
(int)info_type, (int)event_type, msg->result);
ret = -EPROTO;
} else if (ret < 0) {
dev_warn(ec_dev->dev, "Transfer error %d/%d: %d\n",
(int)info_type, (int)event_type, ret);
} else if (ret != result_size) {
dev_warn(ec_dev->dev, "Wrong size %d/%d: %d != %zu\n",
(int)info_type, (int)event_type,