Merge tag 'omapdss-for-3.5-rc2' of git://gitorious.org/linux-omap-dss2/linux

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / leds / leds-lp5521.c

diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 410a723b86910ac8876e696bc4d6b0b85237e998..23815624f35ef59ea11d6cfe167e173257c548c2 100644 (file)
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -193,9 +193,14 @@ static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern)
 
        /* move current engine to direct mode and remember the state */
        ret = lp5521_set_engine_mode(eng, LP5521_CMD_DIRECT);
+       if (ret)
+               return ret;
+
        /* Mode change requires min 500 us delay. 1 - 2 ms  with margin */
        usleep_range(1000, 2000);
-       ret |= lp5521_read(client, LP5521_REG_OP_MODE, &mode);
+       ret = lp5521_read(client, LP5521_REG_OP_MODE, &mode);
+       if (ret)
+               return ret;
 
        /* For loading, all the engines to load mode */
        lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT);
@@ -211,8 +216,7 @@ static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern)
                                LP5521_PROG_MEM_SIZE,
                                pattern);
 
-       ret |= lp5521_write(client, LP5521_REG_OP_MODE, mode);
-       return ret;
+       return lp5521_write(client, LP5521_REG_OP_MODE, mode);
 }
 
 static int lp5521_set_led_current(struct lp5521_chip *chip, int led, u8 curr)
@@ -785,7 +789,7 @@ static int __devinit lp5521_probe(struct i2c_client *client,
         * LP5521_REG_ENABLE register will not have any effect - strange!
         */
        ret = lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
-       if (buf != LP5521_REG_R_CURR_DEFAULT) {
+       if (ret || buf != LP5521_REG_R_CURR_DEFAULT) {
                dev_err(&client->dev, "error in resetting chip\n");
                goto fail2;
        }