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Simplify j6x0lcd_contrast_raw.

This commit is contained in:
uwe 2005-12-18 19:09:26 +00:00
parent d79d516b65
commit fb2feef0c6
1 changed files with 5 additions and 8 deletions
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13
sys/arch/hpcsh/dev/j6x0lcd.c
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@ -1,4 +1,4 @@
/* $NetBSD: j6x0lcd.c,v 1.9 2005/12/18 18:59:48 uwe Exp $ */ /* $NetBSD: j6x0lcd.c,v 1.10 2005/12/18 19:09:26 uwe Exp $ */
/* /*
* Copyright (c) 2004, 2005 Valeriy E. Ushakov * Copyright (c) 2004, 2005 Valeriy E. Ushakov
@ -28,7 +28,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: j6x0lcd.c,v 1.9 2005/12/18 18:59:48 uwe Exp $"); __KERNEL_RCSID(0, "$NetBSD: j6x0lcd.c,v 1.10 2005/12/18 19:09:26 uwe Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/kernel.h> #include <sys/kernel.h>
@ -289,14 +289,11 @@ j6x0lcd_contrast_raw(uint16_t bcr, int width, const uint8_t *pin)
contrast = 0; contrast = 0;
for (bit = 0; bit < width; ++bit) { for (bit = 0; bit < width; ++bit) {
unsigned int c, v; unsigned int c;
c = (bcr >> (pin[bit] << 1)) & 0x3; c = (bcr >> (pin[bit] << 1)) & 0x3;
if (c == 1) /* output mode? */ if (c == 1) /* pin in output mode? */
v = 1; contrast |= (1 << bit);
else
v = 0;
contrast |= (v << bit);
} }
return contrast; return contrast;