From abe8cee744aa8aa29a2d88b915a17f0c7744aa3a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jean-Fran=C3=A7ois=20Moine?= Date: Wed, 10 Aug 2011 05:13:45 -0300 Subject: [PATCH] [media] gspca - sonixj: Adjust the contrast control MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The contrast was too low. Higher values are better. Signed-off-by: Jean-François Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixj.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index f3cfb9788aa5..7ab0c1a7623d 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -159,7 +159,7 @@ static const struct ctrl sd_ctrls[NCTRLS] = { #define CONTRAST_MAX 127 .maximum = CONTRAST_MAX, .step = 1, - .default_value = 63, + .default_value = 20, }, .set_control = setcontrast }, @@ -2021,13 +2021,13 @@ static void setcontrast(struct gspca_dev *gspca_dev) u8 k2; u8 contrast[6]; - k2 = sd->ctrls[CONTRAST].val * 0x30 / (CONTRAST_MAX + 1) - + 0x10; /* 10..40 */ + k2 = sd->ctrls[CONTRAST].val * 37 / (CONTRAST_MAX + 1) + + 37; /* 37..73 */ contrast[0] = (k2 + 1) / 2; /* red */ contrast[1] = 0; contrast[2] = k2; /* green */ contrast[3] = 0; - contrast[4] = (k2 + 1) / 5; /* blue */ + contrast[4] = k2 / 5; /* blue */ contrast[5] = 0; reg_w(gspca_dev, 0x84, contrast, sizeof contrast); } -- 2.39.2