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 <fschaefer....@googlemail.com>
---
drivers/media/usb/em28xx/em28xx-core.c | 12 ++++++------
drivers/media/usb/em28xx/em28xx-reg.h | 23 +++++++++++++++++------
2 Dateien geändert, 23 Zeilen hinzugefügt(+), 12 Zeilen entfernt(-)
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..1e369ba 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
--
1.7.10.4
--
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