[PATCH] ARM: DTS: omap4-sdp: Add regulator for LCD backlight (pwm-backlight)

Peter Ujfalusi peter.ujfalusi at ti.com
Thu Nov 28 04:52:18 EST 2013


Hi Benoit,

On 11/28/2013 11:35 AM, Benoit Cousson wrote:
> Hi Peter,
> 
> On 28/11/2013 10:28, Peter Ujfalusi wrote:
>> Since in DT booted kernel dummy regulators are no longer supported we need
>> to provide valid phandle for the regulator needed by the backlight.
>> On the board VBAT is used to power the LCD backlight(s).
>>
>> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
>> ---
>> Hi,
>>
>> This patch is needed for 3.13 to get the LCD backlight to work again.
> 
> OK, so this is a fix for the next -rc?

Yes, it would be really great if this can make it to the next -rc.

> 
> Regards,
> Benoit
> 
>>
>> Regards,
>> Peter
>>
>>   arch/arm/boot/dts/omap4-sdp.dts | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
>> index 5fc3f43..6f86db2 100644
>> --- a/arch/arm/boot/dts/omap4-sdp.dts
>> +++ b/arch/arm/boot/dts/omap4-sdp.dts
>> @@ -104,6 +104,7 @@
>>                   100 110 120 127
>>                   >;
>>           default-brightness-level = <13>;
>> +        power-supply = <&vbat>;
>>       };
>>
>>       sound {
>>
> 
> 


-- 
Péter



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