Messages in this thread Patch in this message | | | From | Jingoo Han <> | Subject | [PATCH 2/2] backlight: tosa: use devm_gpio_request_one | Date | Wed, 17 Oct 2012 14:50:44 +0900 |
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By using devm_gpio_request_one it is possible to set the direction and initial value in one shot. Thus, using devm_gpio_request_one can make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> --- drivers/video/backlight/tosa_bl.c | 6 ++---- drivers/video/backlight/tosa_lcd.c | 8 ++------ 2 files changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 49342e1..60f258c 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -92,14 +92,12 @@ static int __devinit tosa_bl_probe(struct i2c_client *client, data->comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj; - ret = devm_gpio_request(&client->dev, TOSA_GPIO_BL_C20MA, "backlight"); + ret = devm_gpio_request_one(&client->dev, TOSA_GPIO_BL_C20MA, + GPIOF_OUT_INIT_LOW, "backlight"); if (ret) { dev_dbg(&data->bl->dev, "Unable to request gpio!\n"); return ret; } - ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0); - if (ret) - return ret; i2c_set_clientdata(client, data); data->i2c = client; diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c index 33047a6..00a8f21 100644 --- a/drivers/video/backlight/tosa_lcd.c +++ b/drivers/video/backlight/tosa_lcd.c @@ -193,17 +193,13 @@ static int __devinit tosa_lcd_probe(struct spi_device *spi) data->spi = spi; dev_set_drvdata(&spi->dev, data); - ret = devm_gpio_request(&spi->dev, TOSA_GPIO_TG_ON, "tg #pwr"); + ret = devm_gpio_request_one(&spi->dev, TOSA_GPIO_TG_ON, + GPIOF_OUT_INIT_LOW, "tg #pwr"); if (ret < 0) goto err_gpio_tg; mdelay(60); - ret = gpio_direction_output(TOSA_GPIO_TG_ON, 0); - if (ret < 0) - goto err_gpio_tg; - - mdelay(60); tosa_lcd_tg_init(data); tosa_lcd_tg_on(data); -- 1.7.1
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