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no board specific dithering values used; corrected comment; corrected dithering init

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This commit is contained in:
Titus von Boxberg 2017-07-29 14:54:14 +02:00
parent ec95720d13
commit 63bce1fc34
1 changed files with 2 additions and 14 deletions
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16
arch/arm/src/stm32f7/stm32_ltdc.c
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@ -119,24 +119,13 @@
BOARD_LTDC_HBP + \
STM32_LTDC_WIDTH + BOARD_LTDC_HFP - 1)
/* Global GCR register */
/* Synchronisation and Polarity */
/* Global GCR register: Synchronisation Polarity */
#define STM32_LTDC_GCR_PCPOL BOARD_LTDC_GCR_PCPOL
#define STM32_LTDC_GCR_DEPOL BOARD_LTDC_GCR_DEPOL
#define STM32_LTDC_GCR_VSPOL BOARD_LTDC_GCR_VSPOL
#define STM32_LTDC_GCR_HSPOL BOARD_LTDC_GCR_HSPOL
/* Dither */
#define STM32_LTDC_GCR_DEN BOARD_LTDC_GCR_DEN
#define STM32_LTDC_GCR_DBW LTDC_GCR_GBW(BOARD_LTDC_GCR_DBW)
#define STM32_LTDC_GCR_DGW LTDC_GCR_DGW(BOARD_LTDC_GCR_DGW)
#define STN32_LTDC_GCR_DRW LTDC_GCR_DBW(BOARD_LTDC_GCR_DRW)
/* LIPCR register */
#define STM32_LTDC_LIPCR_LIPOS LTDC_LIPCR_LIPOS(STM32_LTDC_TOTALHEIGHT)
/* Configuration ************************************************************/
@ -1072,8 +1061,7 @@ static void stm32_ltdc_dither(bool enable,
regval &= ~LTDC_GCR_DEN;
}
regval &= ~(!LTDC_GCR_DEN | LTDC_GCR_DRW(0) |
LTDC_GCR_DGW(0) | LTDC_GCR_DBW(0));
regval &= ~(LTDC_GCR_DBW_MASK | LTDC_GCR_DGW_MASK | LTDC_GCR_DRW_MASK);
regval |= (LTDC_GCR_DRW(red) | LTDC_GCR_DGW(green) | LTDC_GCR_DBW(blue));
reginfo("set LTDC_GCR=%08x\n", regval);