diff options
-rw-r--r-- | drivers/leds/leds-lp5521.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 007c7c9..de7b8fe 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -81,6 +81,10 @@ #define LP5521_MASTER_ENABLE 0x40 /* Chip master enable */ #define LP5521_LOGARITHMIC_PWM 0x80 /* Logarithmic PWM adjustment */ #define LP5521_EXEC_RUN 0x2A +#define LP5521_ENABLE_DEFAULT \ + (LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM) +#define LP5521_ENABLE_RUN_PROGRAM \ + (LP5521_ENABLE_DEFAULT | LP5521_EXEC_RUN) /* Status */ #define LP5521_EXT_CLK_USED 0x08 @@ -237,7 +241,7 @@ static int lp5521_configure(struct i2c_client *client) lp5521_init_engine(chip); /* Set all PWMs to direct control mode */ - ret = lp5521_write(client, LP5521_REG_OP_MODE, 0x3F); + ret = lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT); cfg = chip->pdata->update_config ? : (LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT); @@ -250,8 +254,7 @@ static int lp5521_configure(struct i2c_client *client) /* Set engines are set to run state when OP_MODE enables engines */ ret |= lp5521_write(client, LP5521_REG_ENABLE, - LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM | - LP5521_EXEC_RUN); + LP5521_ENABLE_RUN_PROGRAM); /* enable takes 500us. 1 - 2 ms leaves some margin */ usleep_range(1000, 2000); @@ -302,8 +305,7 @@ static int lp5521_detect(struct i2c_client *client) int ret; u8 buf; - ret = lp5521_write(client, LP5521_REG_ENABLE, - LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM); + ret = lp5521_write(client, LP5521_REG_ENABLE, LP5521_ENABLE_DEFAULT); if (ret) return ret; /* enable takes 500us. 1 - 2 ms leaves some margin */ @@ -311,7 +313,7 @@ static int lp5521_detect(struct i2c_client *client) ret = lp5521_read(client, LP5521_REG_ENABLE, &buf); if (ret) return ret; - if (buf != (LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM)) + if (buf != LP5521_ENABLE_DEFAULT) return -ENODEV; return 0; @@ -576,8 +578,7 @@ static void lp5521_run_led_pattern(int mode, struct lp5521_chip *chip) return; if (mode == PATTERN_OFF) { - lp5521_write(cl, LP5521_REG_ENABLE, - LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM); + lp5521_write(cl, LP5521_REG_ENABLE, LP5521_ENABLE_DEFAULT); usleep_range(1000, 2000); lp5521_write(cl, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT); } else { @@ -599,9 +600,7 @@ static void lp5521_run_led_pattern(int mode, struct lp5521_chip *chip) lp5521_write(cl, LP5521_REG_OP_MODE, LP5521_CMD_RUN); usleep_range(1000, 2000); - lp5521_write(cl, LP5521_REG_ENABLE, - LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM | - LP5521_EXEC_RUN); + lp5521_write(cl, LP5521_REG_ENABLE, LP5521_ENABLE_RUN_PROGRAM); } } |