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backlight: lm3630a: explicitly apply PWM config extracted from pwm_args 

Call pwm_apply_args() just after requesting the PWM device so that the
polarity and period are initialized according to the information
provided in pwm_args.

This is an intermediate state, and pwm_apply_args() should be dropped as
soon as the atomic PWM infrastructure is in place and the driver makes
use of it.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Boris Brezillon 2016-04-14 21:17:32 +02:00 committed by Thierry Reding
parent 6fbab835a9
commit 7ff666bc4b
1 changed files with 6 additions and 0 deletions
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6
drivers/video/backlight/lm3630a_bl.c
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@ -424,6 +424,12 @@ static int lm3630a_probe(struct i2c_client *client,
dev_err(&client->dev, "fail : get pwm device\n"); dev_err(&client->dev, "fail : get pwm device\n");
return PTR_ERR(pchip->pwmd); return PTR_ERR(pchip->pwmd);
} }
/*
* FIXME: pwm_apply_args() should be removed when switching to
* the atomic PWM API.
*/
pwm_apply_args(pchip->pwmd);
} }
/* interrupt enable : irq 0 is not allowed */ /* interrupt enable : irq 0 is not allowed */