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openwrt/target/linux/s3c24xx/patches-2.6.24/1297-glamo_fb-Cosmetic-clea...

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From 3817f491a41455d4a97f5d86217520816c2b6111 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@openmoko.org>
Date: Wed, 8 Oct 2008 21:35:56 +0100
Subject: [PATCH] glamo_fb: Cosmetic cleanup
Remove dead code and coding style fixes. Purely cosmetic.
Signed-off-by: Harald Welte <laforge@openmoko.org>
---
drivers/mfd/glamo/glamo-fb.c | 78 +++++++++++------------------------------
1 files changed, 21 insertions(+), 57 deletions(-)
diff --git a/drivers/mfd/glamo/glamo-fb.c b/drivers/mfd/glamo/glamo-fb.c
index 7feef32..aa901dd 100644
--- a/drivers/mfd/glamo/glamo-fb.c
+++ b/drivers/mfd/glamo/glamo-fb.c
@@ -1,6 +1,6 @@
/* Smedia Glamo 336x/337x driver
*
- * (C) 2007 by Openmoko, Inc.
+ * (C) 2007-2008 by Openmoko, Inc.
* Author: Harald Welte <laforge@openmoko.org>
* All rights reserved.
*
@@ -237,11 +237,10 @@ enum orientation {
};
-static void rotate_lcd(struct glamofb_handle *glamo,
- __u32 rotation)
+/* the caller has to enxure lock_cmd is held and we are in cmd mode */
+static void __rotate_lcd(struct glamofb_handle *glamo, __u32 rotation)
{
int glamo_rot;
-/* unsigned long flags; */
switch (rotation) {
case FB_ROTATE_UR:
@@ -261,14 +260,6 @@ static void rotate_lcd(struct glamofb_handle *glamo,
break;
}
- /*
- * ha ha we are only called when we are in cmd mode already
- * printk(KERN_ERR"rotate_lcd spin_lock_irqsave\n");
- * spin_lock_irqsave(&glamo->lock_cmd, flags);
- *
- * if (glamofb_cmd_mode(glamo, 1))
- * goto out_unlock;
- */
reg_set_bit_mask(glamo,
GLAMO_REG_LCD_WIDTH,
GLAMO_LCD_ROT_MODE_MASK,
@@ -278,12 +269,6 @@ static void rotate_lcd(struct glamofb_handle *glamo,
GLAMO_LCD_MODE1_ROTATE_EN,
(glamo_rot != GLAMO_LCD_ROT_MODE_0)?
GLAMO_LCD_MODE1_ROTATE_EN : 0);
-/* glamofb_cmd_mode(glamo, 0);
-
-out_unlock:
- printk(KERN_ERR"rotate_lcd spin_unlock_irqrestore\n");
- spin_unlock_irqrestore(&glamo->lock_cmd, flags);
-*/
}
static enum orientation get_orientation(struct fb_var_screeninfo *var)
@@ -296,14 +281,17 @@ static enum orientation get_orientation(struct fb_var_screeninfo *var)
static int will_orientation_change(struct fb_var_screeninfo *var)
{
- enum orientation orient = get_orientation(var);
+ enum orientation orient = get_orientation(var);
+
switch (orient) {
case ORIENTATION_LANDSCAPE:
- if (var->rotate == FB_ROTATE_UR || var->rotate == FB_ROTATE_UD)
+ if (var->rotate == FB_ROTATE_UR ||
+ var->rotate == FB_ROTATE_UD)
return 1;
break;
case ORIENTATION_PORTRAIT:
- if (var->rotate == FB_ROTATE_CW || var->rotate == FB_ROTATE_CCW)
+ if (var->rotate == FB_ROTATE_CW ||
+ var->rotate == FB_ROTATE_CCW)
return 1;
break;
}
@@ -316,8 +304,6 @@ static void glamofb_update_lcd_controller(struct glamofb_handle *glamo,
int sync, bp, disp, fp, total, xres, yres, pitch, orientation_changing;
unsigned long flags;
-/* GLAMO_LOG("enter: glamo:%#x, var:%#x\n", (unsigned)glamo, (unsigned)var);
-*/
if (!glamo || !var)
return;
@@ -333,27 +319,18 @@ static void glamofb_update_lcd_controller(struct glamofb_handle *glamo,
xres = var->xres;
yres = var->yres;
-/* GLAMO_LOG("xres:%d, yres:%d, rotate:%d\n", xres, yres, var->rotate);
-*/
- /*
- * figure out if orientation is going to change
- */
+
+ /* figure out if orientation is going to change */
orientation_changing = will_orientation_change(var);
-/* GLAMO_LOG("orientation_changing:%d\n", orientation_changing);
-*/
- /*
- * adjust the pitch according to new orientation to come
- */
+
+ /* adjust the pitch according to new orientation to come */
if (orientation_changing) {
pitch = var->yres * var->bits_per_pixel / 8;
} else {
pitch = var->xres * var->bits_per_pixel / 8;
}
-/* GLAMO_LOG("pitch:%d\n", pitch);
-*/
- /*
- * set the awaiten LCD geometry
- */
+
+ /* set the awaiten LCD geometry */
reg_set_bit_mask(glamo,
GLAMO_REG_LCD_WIDTH,
GLAMO_LCD_WIDTH_MASK,
@@ -367,16 +344,10 @@ static void glamofb_update_lcd_controller(struct glamofb_handle *glamo,
GLAMO_LCD_PITCH_MASK,
pitch);
-/* GLAMO_LOG("mark:\n");*/
- /*
- * honour the rotation request
- */
- rotate_lcd(glamo, var->rotate);
+ /* honour the rotation request */
+ __rotate_lcd(glamo, var->rotate);
- /*
- * update the reported geometry
- * of the framebuffer.
- */
+ /* update the reported geometry of the framebuffer. */
if (orientation_changing) {
var->xres_virtual = var->xres = yres;
var->yres_virtual = var->yres = xres;
@@ -385,11 +356,7 @@ static void glamofb_update_lcd_controller(struct glamofb_handle *glamo,
var->yres_virtual = var->yres = yres;
}
-/* GLAMO_LOG("reported res:(%d,%d)\n", var->xres, var->yres);
-*/
- /*
- * update scannout timings
- */
+ /* update scannout timings */
sync = 0;
bp = sync + var->hsync_len;
disp = bp + var->left_margin;
@@ -407,8 +374,6 @@ static void glamofb_update_lcd_controller(struct glamofb_handle *glamo,
reg_set_bit_mask(glamo, GLAMO_REG_LCD_HORIZ_DISP_END,
GLAMO_LCD_HV_RETR_DISP_END_MASK, fp);
-/* GLAMO_LOG("mark:\n");
-*/
sync = 0;
bp = sync + var->vsync_len;
disp = bp + var->upper_margin;
@@ -426,10 +391,8 @@ static void glamofb_update_lcd_controller(struct glamofb_handle *glamo,
reg_set_bit_mask(glamo, GLAMO_REG_LCD_VERT_DISP_END,
GLAMO_LCD_HV_RETR_DISP_END_MASK, fp);
-/* GLAMO_LOG("mark:\n"); */
glamofb_cmd_mode(glamo, 0);
-/* GLAMO_LOG("leave:\n"); */
out_unlock:
spin_unlock_irqrestore(&glamo->lock_cmd, flags);
}
@@ -461,7 +424,8 @@ static int glamofb_blank(int blank_mode, struct fb_info *info)
return 0;
}
-static inline unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf)
+static inline unsigned int chan_to_field(unsigned int chan,
+ struct fb_bitfield *bf)
{
chan &= 0xffff;
chan >>= 16 - bf->length;
--
1.5.6.5
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