From 43a5e08d0006b99308f0a1c9c14cf5551df35385 Mon Sep 17 00:00:00 2001 From: Frank Schaefer Date: Fri, 15 Feb 2013 14:38:31 -0300 Subject: [PATCH] [media] em28xx: introduce #defines for the image quality default settings MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The image quality default values will be used in at least two different places and by using #defines we make sure that they are always consistent. Signed-off-by: Frank Schäfer Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/em28xx/em28xx-core.c | 12 ++++++------ drivers/media/usb/em28xx/em28xx-reg.h | 23 +++++++++++++++++------ 2 files changed, 23 insertions(+), 12 deletions(-) diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index 26d2499..b2dcb3d 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -607,12 +607,12 @@ EXPORT_SYMBOL_GPL(em28xx_audio_setup); int em28xx_colorlevels_set_default(struct em28xx *dev) { - em28xx_write_reg(dev, EM28XX_R20_YGAIN, 0x10); /* contrast */ - em28xx_write_reg(dev, EM28XX_R21_YOFFSET, 0x00); /* brightness */ - em28xx_write_reg(dev, EM28XX_R22_UVGAIN, 0x10); /* saturation */ - em28xx_write_reg(dev, EM28XX_R23_UOFFSET, 0x00); - em28xx_write_reg(dev, EM28XX_R24_VOFFSET, 0x00); - em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, 0x00); + em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT); + em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT); + em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT); + em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT); + em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT); + em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT); em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20); em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20); diff --git a/drivers/media/usb/em28xx/em28xx-reg.h b/drivers/media/usb/em28xx/em28xx-reg.h index 0a3cb04..8fd3c7f 100644 --- a/drivers/media/usb/em28xx/em28xx-reg.h +++ b/drivers/media/usb/em28xx/em28xx-reg.h @@ -120,12 +120,23 @@ #define EM28XX_R1E_CWIDTH 0x1e #define EM28XX_R1F_CHEIGHT 0x1f -#define EM28XX_R20_YGAIN 0x20 -#define EM28XX_R21_YOFFSET 0x21 -#define EM28XX_R22_UVGAIN 0x22 -#define EM28XX_R23_UOFFSET 0x23 -#define EM28XX_R24_VOFFSET 0x24 -#define EM28XX_R25_SHARPNESS 0x25 +#define EM28XX_R20_YGAIN 0x20 /* contrast [0:4] */ +#define CONTRAST_DEFAULT 0x10 + +#define EM28XX_R21_YOFFSET 0x21 /* brightness */ /* signed */ +#define BRIGHTNESS_DEFAULT 0x00 + +#define EM28XX_R22_UVGAIN 0x22 /* saturation [0:4] */ +#define SATURATION_DEFAULT 0x10 + +#define EM28XX_R23_UOFFSET 0x23 /* blue balance */ /* signed */ +#define BLUE_BALANCE_DEFAULT 0x00 + +#define EM28XX_R24_VOFFSET 0x24 /* red balance */ /* signed */ +#define RED_BALANCE_DEFAULT 0x00 + +#define EM28XX_R25_SHARPNESS 0x25 /* sharpness [0:4] */ +#define SHARPNESS_DEFAULT 0x00 #define EM28XX_R26_COMPR 0x26 #define EM28XX_R27_OUTFMT 0x27 -- 2.7.4