Full range of brightness using ACPIBacklight

[kpkp]

Now I am looking at the results on screen from the linear data I posted earlier, I can tell that the brightness appears to increase faster on the low-brightness and slow down when reaching the highest, so decreasing the difference in the low and increase it on high would be the desired curve. I think here we will need a lot of trail and error, since what appears isn't what the math is saying... Lots of tweaking

 

[RehabMan]

Now I am looking at the results on screen from the linear data I posted earlier, I can tell that the brightness appears to increase faster on the low-brightness and slow down when reaching the highest, so decreasing the difference in the low and increase it on high would be the desired curve. I think here we will need a lot of trail and error, since what appears isn't what the math is saying... Lots of tweaking

Yes... the brightness response is a curve...

I think what I'm going to do is set my MBA next to each of these machines and hand calibrate each of the 16 major levels and see where that leads...

 

[kpkp]

Yes... the brightness response is a curve...

I think what I'm going to do is set my MBA next to each of these machines and hand calibrate each of the 16 major levels and see where that leads...

That would be one approach, we will see how does that translate to different displays.
I tried to set 2 simple goals:
- make use of all the usable backlight range
- make it appear as gradual and equally distributed as possible

We will see... Anyways people reading this thread (specially those with less standard screens) try to be helpful by providing feedback, otherwise RehabMan will be like Apple and decide for you and you will love it.

 

[RehabMan]

That would be one approach, we will see how does that translate to different displays.
I tried to set 2 simple goals:
- make use of all the usable backlight range
- make it appear as gradual and equally distributed as possible

We will see... Anyways people reading this thread (specially those with less standard screens) try to be helpful by providing feedback, otherwise RehabMan will be like Apple and decide for you and you will love it.

LOL... Well, anyone can always substitute their own data if they don't like mine...

 

[nguyenmac]

LOL... Well, anyone can always substitute their own data if they don't like mine...

Well, maximum brightness and some lower levels are enough for me...

I set a shutdown timer and turn display off by using hot corners. When I turn on laptop, the display is at lowest level (black). Can we detect display sleep and ignore its value?

 

[kpkp]

Well, maximum brightness and some lower levels are enough for me...

I set a shutdown timer and turn display off by using hot corners. When I turn on laptop, the display is at lowest level (black). Can we detect display sleep and ignore its value?

I am currently using the table I posted yesterday and I do not have the issue you are having, I turn the screen off with the keyboard shortcut Ctrl+Shift+pause.

 

[kpkp]

1 new day, 2 new tables, this time with real curves (I find the second one quite fitting, not perfect, but almost "reasonable".

1st:----------------------------------------------------
3459,\n
1350,\n
0,\n
127, 154, 182, 210,\n
239, 270, 301, 333,\n
365, 399, 433, 469,\n
505, 542, 579, 618,\n
658, 698, 739, 781,\n
824, 867, 912, 957,\n
1003, 1050, 1098, 1147,\n
1196, 1247, 1298, 1350,\n
1403, 1457, 1511, 1567,\n
1623, 1680, 1738, 1797,\n
1856, 1917, 1978, 2040,\n
2103, 2167, 2232, 2297,\n
2363, 2430, 2498, 2567,\n
2637, 2707, 2779, 2851,\n
2924, 2998, 3073, 3148,\n
3225, 3302, 3380, 3459,\n
----------------------------------------------------


2nd:
----------------------------------------------------
3459,\n
1142,\n
0,\n
127, 141, 156, 172,\n
190, 209, 229, 250,\n
273, 297, 322, 349,\n
376, 405, 436, 467,\n
500, 534, 569, 606,\n
643, 682, 723, 764,\n
807, 851, 896, 943,\n
991, 1040, 1090, 1142,\n
1195, 1249, 1304, 1361,\n
1419, 1478, 1539, 1600,\n
1663, 1728, 1793, 1860,\n
1928, 1997, 2068, 2139,\n
2212, 2287, 2362, 2439,\n
2517, 2597, 2677, 2759,\n
2842, 2927, 3012, 3099,\n
3187, 3277, 3367, 3459,\n
----------------------------------------------------

And here is a little simple formula for Wolfram if someone wants to play with it.
round(Table[127+x*(52.888888888888/4+x*0.6297), {x, 0, 63}])
Starting point
Number for a linear progression
Steepness
Change it till you find your highest value

 

[nguyenmac]

1 new day, 2 new tables, this time with real curves (I find the second one quite fitting, not perfect, but almost "reasonable".

1st:----------------------------------------------------
3459,\n
1350,\n
0,\n
127, 154, 182, 210,\n
239, 270, 301, 333,\n
365, 399, 433, 469,\n
505, 542, 579, 618,\n
658, 698, 739, 781,\n
824, 867, 912, 957,\n
1003, 1050, 1098, 1147,\n
1196, 1247, 1298, 1350,\n
1403, 1457, 1511, 1567,\n
1623, 1680, 1738, 1797,\n
1856, 1917, 1978, 2040,\n
2103, 2167, 2232, 2297,\n
2363, 2430, 2498, 2567,\n
2637, 2707, 2779, 2851,\n
2924, 2998, 3073, 3148,\n
3225, 3302, 3380, 3459,\n
----------------------------------------------------


2nd:
----------------------------------------------------
3459,\n
1142,\n
0,\n
127, 141, 156, 172,\n
190, 209, 229, 250,\n
273, 297, 322, 349,\n
376, 405, 436, 467,\n
500, 534, 569, 606,\n
643, 682, 723, 764,\n
807, 851, 896, 943,\n
991, 1040, 1090, 1142,\n
1195, 1249, 1304, 1361,\n
1419, 1478, 1539, 1600,\n
1663, 1728, 1793, 1860,\n
1928, 1997, 2068, 2139,\n
2212, 2287, 2362, 2439,\n
2517, 2597, 2677, 2759,\n
2842, 2927, 3012, 3099,\n
3187, 3277, 3367, 3459,\n
----------------------------------------------------

And here is a little simple formula for Wolfram if someone wants to play with it.
round(Table[127+x*(52.888888888888/4+x*0.6297), {x, 0, 63}])
Starting point
Number for a linear progression
Steepness
Change it till you find your highest value

Can you explain what are two first values in BCL?

 

[kpkp]

BCL?? what you mean?

 

[nguyenmac]

BCL?? what you mean?

I mean these:

3459,\n
1350,\n