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staging: sm750fb: correctly define SM750LE_REVISION_ID

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check if it is already defined before defining SM750LE_REVISION_ID
again and at the same time mention correct data type.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee
2015-03-10 14:15:37 +05:30
committed by Greg Kroah-Hartman
parent c97df7c2c0
commit 62fa8e1014
2 changed files with 4 additions and 2 deletions
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4
drivers/staging/sm750fb/ddk750_chip.h
View File

@@ -1,7 +1,9 @@
#ifndef DDK750_CHIP_H__
#define DDK750_CHIP_H__
#define DEFAULT_INPUT_CLOCK 14318181 /* Default reference clock */
#define SM750LE_REVISION_ID (char)0xfe
#ifndef SM750LE_REVISION_ID
#define SM750LE_REVISION_ID ((unsigned char)0xfe)
#endif
/* This is all the chips recognized by this library */
typedef enum _logical_chip_type_t

2
drivers/staging/sm750fb/sm750_hw.c
View File

@@ -277,7 +277,7 @@ int hw_sm750_crtc_checkMode(struct lynxfb_crtc* crtc,struct fb_var_screeninfo* v
case 16:
break;
case 32:
if(share->revid == (unsigned char)SM750LE_REVISION_ID){
if (share->revid == SM750LE_REVISION_ID) {
pr_debug("750le do not support 32bpp\n");
return -EINVAL;
}