aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/platform
diff options
context:
space:
mode:
authorBenson Leung <bleung@chromium.org>2020-01-10 15:06:16 -0800
committerBenson Leung <bleung@chromium.org>2020-01-10 15:08:35 -0800
commit3b0bfd33ffb21dff369afaa8b1e4a6f25407ff38 (patch)
tree6143f6b8089471f37498d862997a3bd0deec307c /drivers/platform
parentplatform/chrome: wilco_ec: Fix unregistration order (diff)
parentplatform/chrome: wilco_ec: Fix keyboard backlight probing (diff)
downloadlinux-dev-3b0bfd33ffb21dff369afaa8b1e4a6f25407ff38.tar.xz
linux-dev-3b0bfd33ffb21dff369afaa8b1e4a6f25407ff38.zip
Merge branch 'chrome-platform-5.5-fixes' into for-kernelci
Merge dfb9a8857f4d platform/chrome: wilco_ec: Fix keyboard backlight probing from chrome-platform-5.5-fixes into chrome-platform-5.6 destined branch. Signed-off-by: Benson Leung <bleung@chromium.org>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/chrome/wilco_ec/keyboard_leds.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/platform/chrome/wilco_ec/keyboard_leds.c b/drivers/platform/chrome/wilco_ec/keyboard_leds.c
index bb0edf51dfda..5731d1b60e28 100644
--- a/drivers/platform/chrome/wilco_ec/keyboard_leds.c
+++ b/drivers/platform/chrome/wilco_ec/keyboard_leds.c
@@ -73,13 +73,6 @@ static int send_kbbl_msg(struct wilco_ec_device *ec,
return ret;
}
- if (response->status) {
- dev_err(ec->dev,
- "EC reported failure sending keyboard LEDs command: %d",
- response->status);
- return -EIO;
- }
-
return 0;
}
@@ -87,6 +80,7 @@ static int set_kbbl(struct wilco_ec_device *ec, enum led_brightness brightness)
{
struct wilco_keyboard_leds_msg request;
struct wilco_keyboard_leds_msg response;
+ int ret;
memset(&request, 0, sizeof(request));
request.command = WILCO_EC_COMMAND_KBBL;
@@ -94,7 +88,18 @@ static int set_kbbl(struct wilco_ec_device *ec, enum led_brightness brightness)
request.mode = WILCO_KBBL_MODE_FLAG_PWM;
request.percent = brightness;
- return send_kbbl_msg(ec, &request, &response);
+ ret = send_kbbl_msg(ec, &request, &response);
+ if (ret < 0)
+ return ret;
+
+ if (response.status) {
+ dev_err(ec->dev,
+ "EC reported failure sending keyboard LEDs command: %d",
+ response.status);
+ return -EIO;
+ }
+
+ return 0;
}
static int kbbl_exist(struct wilco_ec_device *ec, bool *exists)
@@ -140,6 +145,13 @@ static int kbbl_init(struct wilco_ec_device *ec)
if (ret < 0)
return ret;
+ if (response.status) {
+ dev_err(ec->dev,
+ "EC reported failure sending keyboard LEDs command: %d",
+ response.status);
+ return -EIO;
+ }
+
if (response.mode & WILCO_KBBL_MODE_FLAG_PWM)
return response.percent;