diff options
| author | Chethan Krishna N <chethan.krishna@stericsson.com> | 2011-01-21 16:54:15 +0530 |
|---|---|---|
| committer | Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> | 2011-01-24 07:09:33 +0100 |
| commit | 4cd376a20101352583a9b88e0a8edec545db8ae8 (patch) | |
| tree | 04a08f96d531761224f24f86e45c7e0374adccff /drivers/leds | |
| parent | e664cbee01de04fddcd8c816a68d81d00310315f (diff) | |
leds-lp5521:Removing multiple error messages on probe failure
leds-lp5521 will now error out on the first failure of
i2c in probe.
ST-Ericsson ID: ER320587
Change-Id: Ia4005e5b4bfaead658a6218ff2e662fe28ae4f71
Signed-off-by: Chethan Krishna N <chethan.krishna@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/13169
Reviewed-by: QATOOLS
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lp5521.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 2defd3ea8a7..8f412c6b2f0 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -109,21 +109,37 @@ static int lp5521_configure(struct i2c_client *client) /* Enable chip and set light to logarithmic mode */ ret |= lp5521_write(client, LP5521_REG_ENABLE, 0xc0); + if (ret < 0) + return ret; /* setting all color pwms to direct control mode */ ret |= lp5521_write(client, LP5521_REG_OP_MODE, 0x3f); + if (ret < 0) + return ret; /* setting current to 4.7 mA for all channels */ ret |= lp5521_write(client, LP5521_REG_R_CNTRL, LP5521_CURRENT_4m7); + if (ret < 0) + return ret; ret |= lp5521_write(client, LP5521_REG_G_CNTRL, LP5521_CURRENT_4m7); + if (ret < 0) + return ret; ret |= lp5521_write(client, LP5521_REG_B_CNTRL, LP5521_CURRENT_4m7); + if (ret < 0) + return ret; /* Enable auto-powersave, set charge pump to auto, red to battery */ ret |= lp5521_write(client, LP5521_REG_MISC, 0x3c); + if (ret < 0) + return ret; /* initialize all channels pwm to zero */ ret |= lp5521_write(client, LP5521_REG_R_PWM, 0); + if (ret < 0) + return ret; ret |= lp5521_write(client, LP5521_REG_G_PWM, 0); + if (ret < 0) + return ret; ret |= lp5521_write(client, LP5521_REG_B_PWM, 0); /* Not much can be done about errors at this point */ |