shithub: rc

Info  •  Files  •  Log  •  Branches

add br: igfx lcd brightness for terminals with broken brightness keys

--- /dev/null

+++ b/br

@@ -1,0 +1,14 @@

+#!/bin/rc

+# SBLC_PWM_CTL2: bytes 15:0, range 0 (off) to v>>16 (full)

+

+if(! ~ $#* 1){

+	echo usage: $0 factor

+	exit 'usage'

+}

+v=`{seg -Lr igfxmmio 0x400000 0xc8254}

+if(~ $#v 0)

+	exit 'no such named segment'

+v=`{echo 'v='$v'; v & ~0xffff | ((v>>16) / '$1')' | pc -n}

+if(! ~ $#v 1)

+	exit 'invalid factor'

+seg -Lw igfxmmio 0x400000 0xc8254 $v