[PATCH v2 6/9] staging: sm7xxfb: reduce indention

From: Sudip Mukherjee
Date: Wed Jun 17 2015 - 07:27:37 EST


reduce code indention keeping the logic same.

Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
drivers/staging/sm7xxfb/sm7xxfb.c | 173 ++++++++++++++++++--------------------
1 file changed, 82 insertions(+), 91 deletions(-)

diff --git a/drivers/staging/sm7xxfb/sm7xxfb.c b/drivers/staging/sm7xxfb/sm7xxfb.c
index 6bdcd5b..1e60d36 100644
--- a/drivers/staging/sm7xxfb/sm7xxfb.c
+++ b/drivers/staging/sm7xxfb/sm7xxfb.c
@@ -255,37 +255,33 @@ static int smtc_setcolreg(unsigned regno, unsigned red, unsigned green,
/*
* 16/32 bit true-colour, use pseudo-palette for 16 base color
*/
- if (regno < 16) {
- if (sfb->fb->var.bits_per_pixel == 16) {
- u32 *pal = sfb->fb->pseudo_palette;
-
- val = chan_to_field(red, &sfb->fb->var.red);
- val |= chan_to_field(green,
- &sfb->fb->var.green);
- val |= chan_to_field(blue, &sfb->fb->var.blue);
+ if (regno >= 16)
+ break;
+ if (sfb->fb->var.bits_per_pixel == 16) {
+ u32 *pal = sfb->fb->pseudo_palette;
+
+ val = chan_to_field(red, &sfb->fb->var.red);
+ val |= chan_to_field(green, &sfb->fb->var.green);
+ val |= chan_to_field(blue, &sfb->fb->var.blue);
#ifdef __BIG_ENDIAN
- pal[regno] =
- ((red & 0xf800) >> 8) |
- ((green & 0xe000) >> 13) |
- ((green & 0x1c00) << 3) |
- ((blue & 0xf800) >> 3);
+ pal[regno] = ((red & 0xf800) >> 8) |
+ ((green & 0xe000) >> 13) |
+ ((green & 0x1c00) << 3) |
+ ((blue & 0xf800) >> 3);
#else
- pal[regno] = val;
+ pal[regno] = val;
#endif
- } else {
- u32 *pal = sfb->fb->pseudo_palette;
+ } else {
+ u32 *pal = sfb->fb->pseudo_palette;

- val = chan_to_field(red, &sfb->fb->var.red);
- val |= chan_to_field(green,
- &sfb->fb->var.green);
- val |= chan_to_field(blue, &sfb->fb->var.blue);
+ val = chan_to_field(red, &sfb->fb->var.red);
+ val |= chan_to_field(green, &sfb->fb->var.green);
+ val |= chan_to_field(blue, &sfb->fb->var.blue);
#ifdef __BIG_ENDIAN
- val =
- (val & 0xff00ff00 >> 8) |
- (val & 0x00ff00ff << 8);
+ val = (val & 0xff00ff00 >> 8) |
+ (val & 0x00ff00ff << 8);
#endif
- pal[regno] = val;
- }
+ pal[regno] = val;
}
break;

@@ -476,72 +472,67 @@ static void sm7xx_set_timing(struct smtcfb_info *sfb)
sfb->width, sfb->height, sfb->fb->var.bits_per_pixel, sfb->hz);

for (j = 0; j < ARRAY_SIZE(vgamode); j++) {
- if (vgamode[j].mmsizex == sfb->width &&
- vgamode[j].mmsizey == sfb->height &&
- vgamode[j].bpp == sfb->fb->var.bits_per_pixel &&
- vgamode[j].hz == sfb->hz) {
- dev_dbg(&sfb->pdev->dev,
- "vgamode[j].mmsizex=%d vgamode[j].mmSizeY=%d vgamode[j].bpp=%d vgamode[j].hz=%d\n",
- vgamode[j].mmsizex, vgamode[j].mmsizey,
- vgamode[j].bpp, vgamode[j].hz);
-
- dev_dbg(&sfb->pdev->dev, "vgamode index=%d\n", j);
-
- smtc_mmiowb(0x0, 0x3c6);
-
- smtc_seqw(0, 0x1);
-
- smtc_mmiowb(vgamode[j].init_misc, 0x3c2);
-
- /* init SEQ register SR00 - SR04 */
- for (i = 0; i < SIZE_SR00_SR04; i++)
- smtc_seqw(i, vgamode[j].init_sr00_sr04[i]);
-
- /* init SEQ register SR10 - SR24 */
- for (i = 0; i < SIZE_SR10_SR24; i++)
- smtc_seqw(i + 0x10,
- vgamode[j].init_sr10_sr24[i]);
-
- /* init SEQ register SR30 - SR75 */
- for (i = 0; i < SIZE_SR30_SR75; i++)
- if ((i + 0x30) != 0x62 &&
- (i + 0x30) != 0x6a &&
- (i + 0x30) != 0x6b)
- smtc_seqw(i + 0x30,
- vgamode[j].init_sr30_sr75[i]);
-
- /* init SEQ register SR80 - SR93 */
- for (i = 0; i < SIZE_SR80_SR93; i++)
- smtc_seqw(i + 0x80,
- vgamode[j].init_sr80_sr93[i]);
-
- /* init SEQ register SRA0 - SRAF */
- for (i = 0; i < SIZE_SRA0_SRAF; i++)
- smtc_seqw(i + 0xa0,
- vgamode[j].init_sra0_sraf[i]);
-
- /* init Graphic register GR00 - GR08 */
- for (i = 0; i < SIZE_GR00_GR08; i++)
- smtc_grphw(i, vgamode[j].init_gr00_gr08[i]);
-
- /* init Attribute register AR00 - AR14 */
- for (i = 0; i < SIZE_AR00_AR14; i++)
- smtc_attrw(i, vgamode[j].init_ar00_ar14[i]);
-
- /* init CRTC register CR00 - CR18 */
- for (i = 0; i < SIZE_CR00_CR18; i++)
- smtc_crtcw(i, vgamode[j].init_cr00_cr18[i]);
-
- /* init CRTC register CR30 - CR4D */
- for (i = 0; i < SIZE_CR30_CR4D; i++)
- smtc_crtcw(i + 0x30,
- vgamode[j].init_cr30_cr4d[i]);
-
- /* init CRTC register CR90 - CRA7 */
- for (i = 0; i < SIZE_CR90_CRA7; i++)
- smtc_crtcw(i + 0x90,
- vgamode[j].init_cr90_cra7[i]);
- }
+ if (vgamode[j].mmsizex != sfb->width ||
+ vgamode[j].mmsizey != sfb->height ||
+ vgamode[j].bpp != sfb->fb->var.bits_per_pixel ||
+ vgamode[j].hz != sfb->hz)
+ continue;
+
+ dev_dbg(&sfb->pdev->dev,
+ "vgamode[j].mmsizex=%d vgamode[j].mmSizeY=%d vgamode[j].bpp=%d vgamode[j].hz=%d\n",
+ vgamode[j].mmsizex, vgamode[j].mmsizey,
+ vgamode[j].bpp, vgamode[j].hz);
+
+ dev_dbg(&sfb->pdev->dev, "vgamode index=%d\n", j);
+
+ smtc_mmiowb(0x0, 0x3c6);
+
+ smtc_seqw(0, 0x1);
+
+ smtc_mmiowb(vgamode[j].init_misc, 0x3c2);
+
+ /* init SEQ register SR00 - SR04 */
+ for (i = 0; i < SIZE_SR00_SR04; i++)
+ smtc_seqw(i, vgamode[j].init_sr00_sr04[i]);
+
+ /* init SEQ register SR10 - SR24 */
+ for (i = 0; i < SIZE_SR10_SR24; i++)
+ smtc_seqw(i + 0x10, vgamode[j].init_sr10_sr24[i]);
+
+ /* init SEQ register SR30 - SR75 */
+ for (i = 0; i < SIZE_SR30_SR75; i++)
+ if ((i + 0x30) != 0x62 && (i + 0x30) != 0x6a &&
+ (i + 0x30) != 0x6b)
+ smtc_seqw(i + 0x30,
+ vgamode[j].init_sr30_sr75[i]);
+
+ /* init SEQ register SR80 - SR93 */
+ for (i = 0; i < SIZE_SR80_SR93; i++)
+ smtc_seqw(i + 0x80, vgamode[j].init_sr80_sr93[i]);
+
+ /* init SEQ register SRA0 - SRAF */
+ for (i = 0; i < SIZE_SRA0_SRAF; i++)
+ smtc_seqw(i + 0xa0, vgamode[j].init_sra0_sraf[i]);
+
+ /* init Graphic register GR00 - GR08 */
+ for (i = 0; i < SIZE_GR00_GR08; i++)
+ smtc_grphw(i, vgamode[j].init_gr00_gr08[i]);
+
+ /* init Attribute register AR00 - AR14 */
+ for (i = 0; i < SIZE_AR00_AR14; i++)
+ smtc_attrw(i, vgamode[j].init_ar00_ar14[i]);
+
+ /* init CRTC register CR00 - CR18 */
+ for (i = 0; i < SIZE_CR00_CR18; i++)
+ smtc_crtcw(i, vgamode[j].init_cr00_cr18[i]);
+
+ /* init CRTC register CR30 - CR4D */
+ for (i = 0; i < SIZE_CR30_CR4D; i++)
+ smtc_crtcw(i + 0x30, vgamode[j].init_cr30_cr4d[i]);
+
+ /* init CRTC register CR90 - CRA7 */
+ for (i = 0; i < SIZE_CR90_CRA7; i++)
+ smtc_crtcw(i + 0x90, vgamode[j].init_cr90_cra7[i]);
}
smtc_mmiowb(0x67, 0x3c2);

--
1.8.1.2

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