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path: root/drivers/leds/leds-blinkm.c
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Diffstat (limited to 'drivers/leds/leds-blinkm.c')
-rw-r--r--drivers/leds/leds-blinkm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
index d03ed6b4176b..851c1920b63c 100644
--- a/drivers/leds/leds-blinkm.c
+++ b/drivers/leds/leds-blinkm.c
@@ -549,8 +549,12 @@ static int blinkm_detect(struct i2c_client *client, struct i2c_board_info *info)
/* make sure the blinkM is balanced (read/writes) */
while (count > 0) {
ret = blinkm_write(client, BLM_GET_ADDR, NULL);
+ if (ret)
+ return ret;
usleep_range(5000, 10000);
ret = blinkm_read(client, BLM_GET_ADDR, tmpargs);
+ if (ret)
+ return ret;
usleep_range(5000, 10000);
if (tmpargs[0] == 0x09)
count = 0;