[PATCH v2 16/16] backlight: use backlight_is_blank() in all backlight drivers

Peter Ujfalusi peter.ujfalusi at ti.com
Thu May 28 13:43:01 UTC 2020 


On 28/05/2020 16.39, Peter Ujfalusi wrote:
> Hi Sam,
> 
> On 17/05/2020 22.01, Sam Ravnborg wrote:
>> Replaces the open-coded checks of the state etc.,
>> with the backlight_is_blank() helper.
>> This increases readability of the code and align
>> the functionality across the drivers.
> 
> Thanks for the cleanup in with the series!
> 
> Checked gpio/pwm/led backlight drivers mostly:
> Reviewed-by: Peter Ujfalusi <peter.ujflausi at ti.com>

Interesting, I had a typo in my e-mail address :o
Let's try again:
Reviewed-by: Peter Ujfalusi <peter.ujfalusi at ti.com>

> 
>> v2:
>>   - Fixed so changelog is readable
>>
>> Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
>> Cc: Lee Jones <lee.jones at linaro.org>
>> Cc: Daniel Thompson <daniel.thompson at linaro.org>
>> Cc: Jingoo Han <jingoohan1 at gmail.com>
>> Cc: Michael Hennerich <michael.hennerich at analog.com>
>> Cc: Support Opensource <support.opensource at diasemi.com>
>> Cc: Thierry Reding <thierry.reding at gmail.com>
>> Cc: "Uwe Kleine-König" <u.kleine-koenig at pengutronix.de>
>> Cc: Andy Gross <agross at kernel.org>
>> Cc: Bjorn Andersson <bjorn.andersson at linaro.org>
>> Cc: linux-pwm at vger.kernel.org
>> Cc: linux-arm-msm at vger.kernel.org
>> Cc: patches at opensource.cirrus.com
>> ---
>>  drivers/video/backlight/88pm860x_bl.c    |  8 +-------
>>  drivers/video/backlight/adp5520_bl.c     |  5 +----
>>  drivers/video/backlight/adp8860_bl.c     |  5 +----
>>  drivers/video/backlight/adp8870_bl.c     |  5 +----
>>  drivers/video/backlight/as3711_bl.c      |  8 +++-----
>>  drivers/video/backlight/bd6107.c         |  4 +---
>>  drivers/video/backlight/corgi_lcd.c      |  5 +----
>>  drivers/video/backlight/cr_bllcd.c       | 22 +++++++---------------
>>  drivers/video/backlight/da903x_bl.c      |  8 +-------
>>  drivers/video/backlight/ep93xx_bl.c      |  3 +--
>>  drivers/video/backlight/gpio_backlight.c |  4 +---
>>  drivers/video/backlight/hp680_bl.c       |  4 +---
>>  drivers/video/backlight/jornada720_bl.c  |  2 +-
>>  drivers/video/backlight/kb3886_bl.c      |  4 +---
>>  drivers/video/backlight/led_bl.c         |  4 +---
>>  drivers/video/backlight/lm3533_bl.c      |  4 +---
>>  drivers/video/backlight/locomolcd.c      |  4 +---
>>  drivers/video/backlight/lv5207lp.c       |  4 +---
>>  drivers/video/backlight/max8925_bl.c     |  8 +-------
>>  drivers/video/backlight/pwm_bl.c         |  4 +---
>>  drivers/video/backlight/qcom-wled.c      |  4 +---
>>  drivers/video/backlight/tps65217_bl.c    |  4 +---
>>  drivers/video/backlight/wm831x_bl.c      |  8 +-------
>>  23 files changed, 31 insertions(+), 100 deletions(-)
>>
>> diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
>> index 20d96a5ac384..162c83ab0f5a 100644
>> --- a/drivers/video/backlight/88pm860x_bl.c
>> +++ b/drivers/video/backlight/88pm860x_bl.c
>> @@ -123,13 +123,7 @@ static int pm860x_backlight_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.state & BL_CORE_SUSPENDED)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return pm860x_backlight_set(bl, brightness);
>> diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
>> index 0f63f76723a5..d817b0d95c9d 100644
>> --- a/drivers/video/backlight/adp5520_bl.c
>> +++ b/drivers/video/backlight/adp5520_bl.c
>> @@ -67,10 +67,7 @@ static int adp5520_bl_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return adp5520_bl_set(bl, brightness);
>> diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
>> index 19968104fc47..a0ce2a3701fa 100644
>> --- a/drivers/video/backlight/adp8860_bl.c
>> +++ b/drivers/video/backlight/adp8860_bl.c
>> @@ -363,10 +363,7 @@ static int adp8860_bl_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return adp8860_bl_set(bl, brightness);
>> diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
>> index 4c0032010cfe..ae4269fdb189 100644
>> --- a/drivers/video/backlight/adp8870_bl.c
>> +++ b/drivers/video/backlight/adp8870_bl.c
>> @@ -401,10 +401,7 @@ static int adp8870_bl_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return adp8870_bl_set(bl, brightness);
>> diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c
>> index 33f0f0f2e8b3..7fa76008c7bf 100644
>> --- a/drivers/video/backlight/as3711_bl.c
>> +++ b/drivers/video/backlight/as3711_bl.c
>> @@ -107,13 +107,11 @@ static int as3711_bl_update_status(struct backlight_device *bl)
>>  	int brightness = bl->props.brightness;
>>  	int ret = 0;
>>  
>> -	dev_dbg(&bl->dev, "%s(): brightness %u, pwr %x, blank %x, state %x\n",
>> +	dev_dbg(&bl->dev, "%s(): brightness %u, pwr %x, state %x\n",
>>  		__func__, bl->props.brightness, bl->props.power,
>> -		bl->props.fb_blank, bl->props.state);
>> +		bl->props.state);
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK ||
>> -	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	if (data->type == AS3711_BL_SU1) {
>> diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c
>> index d5d5fb457e78..f6a5c1dba3bc 100644
>> --- a/drivers/video/backlight/bd6107.c
>> +++ b/drivers/video/backlight/bd6107.c
>> @@ -84,9 +84,7 @@ static int bd6107_backlight_update_status(struct backlight_device *backlight)
>>  	struct bd6107 *bd = bl_get_data(backlight);
>>  	int brightness = backlight->props.brightness;
>>  
>> -	if (backlight->props.power != FB_BLANK_UNBLANK ||
>> -	    backlight->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    backlight->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
>> +	if (backlight_is_blank(backlight))
>>  		brightness = 0;
>>  
>>  	if (brightness) {
>> diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
>> index 25ef0cbd7583..c9adf4e26355 100644
>> --- a/drivers/video/backlight/corgi_lcd.c
>> +++ b/drivers/video/backlight/corgi_lcd.c
>> @@ -422,10 +422,7 @@ static int corgi_bl_update_status(struct backlight_device *bd)
>>  	struct corgi_lcd *lcd = bl_get_data(bd);
>>  	int intensity = bd->props.brightness;
>>  
>> -	if (bd->props.power != FB_BLANK_UNBLANK)
>> -		intensity = 0;
>> -
>> -	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bd))
>>  		intensity = 0;
>>  
>>  	if (corgibl_flags & CORGIBL_SUSPENDED)
>> diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
>> index 4624b7b7c6a6..d5ab7675f55c 100644
>> --- a/drivers/video/backlight/cr_bllcd.c
>> +++ b/drivers/video/backlight/cr_bllcd.c
>> @@ -59,26 +59,18 @@ struct cr_panel {
>>  
>>  static int cr_backlight_set_intensity(struct backlight_device *bd)
>>  {
>> -	int intensity = bd->props.brightness;
>>  	u32 addr = gpio_bar + CRVML_PANEL_PORT;
>>  	u32 cur = inl(addr);
>>  
>> -	if (bd->props.power == FB_BLANK_UNBLANK)
>> -		intensity = FB_BLANK_UNBLANK;
>> -	if (bd->props.fb_blank == FB_BLANK_UNBLANK)
>> -		intensity = FB_BLANK_UNBLANK;
>> -	if (bd->props.power == FB_BLANK_POWERDOWN)
>> -		intensity = FB_BLANK_POWERDOWN;
>> -	if (bd->props.fb_blank == FB_BLANK_POWERDOWN)
>> -		intensity = FB_BLANK_POWERDOWN;
>> -
>> -	if (intensity == FB_BLANK_UNBLANK) { /* FULL ON */
>> -		cur &= ~CRVML_BACKLIGHT_OFF;
>> -		outl(cur, addr);
>> -	} else if (intensity == FB_BLANK_POWERDOWN) { /* OFF */
>> +	if (backlight_is_blank(bd)) {
>> +		/* OFF */
>>  		cur |= CRVML_BACKLIGHT_OFF;
>>  		outl(cur, addr);
>> -	} /* anything else, don't bother */
>> +	} else {
>> +		/* FULL ON */
>> +		cur &= ~CRVML_BACKLIGHT_OFF;
>> +		outl(cur, addr);
>> +	}
>>  
>>  	return 0;
>>  }
>> diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
>> index 62540e4bdedb..ca351badfdcf 100644
>> --- a/drivers/video/backlight/da903x_bl.c
>> +++ b/drivers/video/backlight/da903x_bl.c
>> @@ -79,13 +79,7 @@ static int da903x_backlight_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.state & BL_CORE_SUSPENDED)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return da903x_backlight_set(bl, brightness);
>> diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
>> index 4149e0b2f83c..491185df1411 100644
>> --- a/drivers/video/backlight/ep93xx_bl.c
>> +++ b/drivers/video/backlight/ep93xx_bl.c
>> @@ -38,8 +38,7 @@ static int ep93xxbl_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK ||
>> -	    bl->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return ep93xxbl_set(bl, brightness);
>> diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
>> index 75409ddfba3e..94b65e4d2aa0 100644
>> --- a/drivers/video/backlight/gpio_backlight.c
>> +++ b/drivers/video/backlight/gpio_backlight.c
>> @@ -25,9 +25,7 @@ static int gpio_backlight_get_next_brightness(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK ||
>> -	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return brightness;
>> diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
>> index 8ea42b8d9bc8..01d805ca8415 100644
>> --- a/drivers/video/backlight/hp680_bl.c
>> +++ b/drivers/video/backlight/hp680_bl.c
>> @@ -35,9 +35,7 @@ static void hp680bl_send_intensity(struct backlight_device *bd)
>>  	u16 v;
>>  	int intensity = bd->props.brightness;
>>  
>> -	if (bd->props.power != FB_BLANK_UNBLANK)
>> -		intensity = 0;
>> -	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bd))
>>  		intensity = 0;
>>  	if (hp680bl_suspended)
>>  		intensity = 0;
>> diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
>> index f0385f9cf9da..996f7ba3b373 100644
>> --- a/drivers/video/backlight/jornada720_bl.c
>> +++ b/drivers/video/backlight/jornada720_bl.c
>> @@ -54,7 +54,7 @@ static int jornada_bl_update_status(struct backlight_device *bd)
>>  	jornada_ssp_start();
>>  
>>  	/* If backlight is off then really turn it off */
>> -	if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
>> +	if (backlight_is_blank(bd)) {
>>  		ret = jornada_ssp_byte(BRIGHTNESSOFF);
>>  		if (ret != TXDUMMY) {
>>  			dev_info(&bd->dev, "brightness off timeout\n");
>> diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
>> index 1dfe13c18925..a0fd5d3d82f5 100644
>> --- a/drivers/video/backlight/kb3886_bl.c
>> +++ b/drivers/video/backlight/kb3886_bl.c
>> @@ -89,9 +89,7 @@ static int kb3886bl_send_intensity(struct backlight_device *bd)
>>  {
>>  	int intensity = bd->props.brightness;
>>  
>> -	if (bd->props.power != FB_BLANK_UNBLANK)
>> -		intensity = 0;
>> -	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bd))
>>  		intensity = 0;
>>  	if (kb3886bl_flags & KB3886BL_SUSPENDED)
>>  		intensity = 0;
>> diff --git a/drivers/video/backlight/led_bl.c b/drivers/video/backlight/led_bl.c
>> index 3f66549997c8..c655ddd99cfb 100644
>> --- a/drivers/video/backlight/led_bl.c
>> +++ b/drivers/video/backlight/led_bl.c
>> @@ -56,9 +56,7 @@ static int led_bl_update_status(struct backlight_device *bl)
>>  	struct led_bl_data *priv = bl_get_data(bl);
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK ||
>> -	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    bl->props.state & BL_CORE_FBBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	if (brightness > 0)
>> diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
>> index ee09d1bd02b9..476146b62c4e 100644
>> --- a/drivers/video/backlight/lm3533_bl.c
>> +++ b/drivers/video/backlight/lm3533_bl.c
>> @@ -41,9 +41,7 @@ static int lm3533_bl_update_status(struct backlight_device *bd)
>>  	struct lm3533_bl *bl = bl_get_data(bd);
>>  	int brightness = bd->props.brightness;
>>  
>> -	if (bd->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bd))
>>  		brightness = 0;
>>  
>>  	return lm3533_ctrlbank_set_brightness(&bl->cb, (u8)brightness);
>> diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
>> index cdc02e04f89d..8064cad8d683 100644
>> --- a/drivers/video/backlight/locomolcd.c
>> +++ b/drivers/video/backlight/locomolcd.c
>> @@ -113,9 +113,7 @@ static int locomolcd_set_intensity(struct backlight_device *bd)
>>  {
>>  	int intensity = bd->props.brightness;
>>  
>> -	if (bd->props.power != FB_BLANK_UNBLANK)
>> -		intensity = 0;
>> -	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
>> +	if (backlight_is_blank(bd))
>>  		intensity = 0;
>>  	if (locomolcd_flags & LOCOMOLCD_SUSPENDED)
>>  		intensity = 0;
>> diff --git a/drivers/video/backlight/lv5207lp.c b/drivers/video/backlight/lv5207lp.c
>> index c6ad73a784e2..ef8aa9803577 100644
>> --- a/drivers/video/backlight/lv5207lp.c
>> +++ b/drivers/video/backlight/lv5207lp.c
>> @@ -48,9 +48,7 @@ static int lv5207lp_backlight_update_status(struct backlight_device *backlight)
>>  	struct lv5207lp *lv = bl_get_data(backlight);
>>  	int brightness = backlight->props.brightness;
>>  
>> -	if (backlight->props.power != FB_BLANK_UNBLANK ||
>> -	    backlight->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    backlight->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
>> +	if (backlight_is_blank(backlight))
>>  		brightness = 0;
>>  
>>  	if (brightness) {
>> diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
>> index 97cc260ff9d1..b8af2c6407d3 100644
>> --- a/drivers/video/backlight/max8925_bl.c
>> +++ b/drivers/video/backlight/max8925_bl.c
>> @@ -66,13 +66,7 @@ static int max8925_backlight_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.state & BL_CORE_SUSPENDED)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return max8925_backlight_set(bl, brightness);
>> diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
>> index 82b8d7594701..7d0ffcd37f07 100644
>> --- a/drivers/video/backlight/pwm_bl.c
>> +++ b/drivers/video/backlight/pwm_bl.c
>> @@ -111,9 +111,7 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
>>  	int brightness = bl->props.brightness;
>>  	struct pwm_state state;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK ||
>> -	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    bl->props.state & BL_CORE_FBBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	if (pb->notify)
>> diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c
>> index 3d276b30a78c..9600f5d58ece 100644
>> --- a/drivers/video/backlight/qcom-wled.c
>> +++ b/drivers/video/backlight/qcom-wled.c
>> @@ -261,9 +261,7 @@ static int wled_update_status(struct backlight_device *bl)
>>  	u16 brightness = bl->props.brightness;
>>  	int rc = 0;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK ||
>> -	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
>> -	    bl->props.state & BL_CORE_FBBLANK)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	mutex_lock(&wled->lock);
>> diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
>> index 762e3feed097..1041e5e62ee3 100644
>> --- a/drivers/video/backlight/tps65217_bl.c
>> +++ b/drivers/video/backlight/tps65217_bl.c
>> @@ -82,9 +82,7 @@ static int tps65217_bl_update_status(struct backlight_device *bl)
>>  	if (bl->props.state & BL_CORE_SUSPENDED)
>>  		brightness = 0;
>>  
>> -	if ((bl->props.power != FB_BLANK_UNBLANK) ||
>> -		(bl->props.fb_blank != FB_BLANK_UNBLANK))
>> -		/* framebuffer in low power mode or blanking active */
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	if (brightness > 0) {
>> diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
>> index e55977d54c15..dc2ab6c8b7f9 100644
>> --- a/drivers/video/backlight/wm831x_bl.c
>> +++ b/drivers/video/backlight/wm831x_bl.c
>> @@ -93,13 +93,7 @@ static int wm831x_backlight_update_status(struct backlight_device *bl)
>>  {
>>  	int brightness = bl->props.brightness;
>>  
>> -	if (bl->props.power != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
>> -		brightness = 0;
>> -
>> -	if (bl->props.state & BL_CORE_SUSPENDED)
>> +	if (backlight_is_blank(bl))
>>  		brightness = 0;
>>  
>>  	return wm831x_backlight_set(bl, brightness);
>>
> 
> - Péter
> 
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> 

- Péter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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