From d87616f5a5af028d399f2c3e14c3115c67e415cf Mon Sep 17 00:00:00 2001 From: Andoni Zubimendi Date: Thu, 17 Jul 2008 05:35:52 -0300 Subject: [PATCH] V4L/DVB (8367): gspca: Light frequency filter / exposure / clean-up for sn9c103 ov7630. Signed-off-by: Andoni Zubimendi Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixb.c | 41 ++++++++++++++---------------- 1 file changed, 19 insertions(+), 22 deletions(-) diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index 4625a464a5..045ed6b7d0 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -291,22 +291,9 @@ static const __u8 ov7630_sensor_init[][8] = { {0xa0, 0x21, 0x76, 0x02, 0xbd, 0x06, 0xf6, 0x16}, {0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */ }; -static const __u8 ov7630_sensor_init_3[][5][8] = { - { {0xa0, 0x21, 0x10, 0x36, 0xbd, 0x06, 0xf6, 0x16}, /* exposure */ - {0xa0, 0x21, 0x76, 0x03, 0xbd, 0x06, 0xf6, 0x16}, - {0xa0, 0x21, 0x11, 0x01, 0xbd, 0x06, 0xf6, 0x16}, - {0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */ - {0xb0, 0x21, 0x2a, 0xa0, 0x1c, 0x06, 0xf6, 0x1d}, - }, - { {0xa0, 0x21, 0x10, 0x83, 0xbd, 0x06, 0xf6, 0x16}, /* exposure */ - {0xa0, 0x21, 0x76, 0x00, 0xbd, 0x06, 0xf6, 0x16}, - {0xa0, 0x21, 0x11, 0x00, 0xbd, 0x06, 0xf6, 0x16}, - {0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */ -/* {0xb0, 0x21, 0x2a, 0xc0, 0x3c, 0x06, 0xf6, 0x1d}, - * a0 1c,a0 1f,c0 3c frame rate ?line interval from ov6630 */ -/* {0xb0, 0x21, 0x2a, 0xa0, 0x1f, 0x06, 0xf6, 0x1d}, * from win */ - {0xb0, 0x21, 0x2a, 0x80, 0x60, 0x06, 0xf6, 0x1d}, - } +static const __u8 ov7630_sensor_init_3[][8] = { + {0xa0, 0x21, 0x2a, 0xa0, 0x00, 0x00, 0x00, 0x10}, + {0xa0, 0x21, 0x2a, 0x80, 0x00, 0x00, 0x00, 0x10}, }; static const __u8 initPas106[] = { @@ -693,6 +680,15 @@ static void setexposure(struct gspca_dev *gspca_dev) i2c[1] = sd->sensor_addr; i2c[3] = reg10; i2c[4] |= reg11 - 1; + if (sd->sensor == SENSOR_OV7630_3) { + __u8 reg76 = reg10 & 0x03; + __u8 i2c_reg76[] = {0xa0, 0x21, 0x76, 0x00, + 0x00, 0x00, 0x00, 0x10}; + reg10 >>= 2; + i2c_reg76[3] = reg76; + if (i2c_w(gspca_dev, i2c_reg76) < 0) + PDEBUG(D_ERR, "i2c error exposure"); + } if (i2c_w(gspca_dev, i2c) < 0) PDEBUG(D_ERR, "i2c error exposure"); break; @@ -705,12 +701,13 @@ static void setfreq(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; switch (sd->sensor) { - case SENSOR_OV6650: { + case SENSOR_OV6650: + case SENSOR_OV7630_3: { /* Framerate adjust register for artificial light 50 hz flicker compensation, identical to ov6630 0x2b register, see ov6630 datasheet. 0x4f -> (30 fps -> 25 fps), 0x00 -> no adjustment */ - __u8 i2c[] = {0xa0, 0x60, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10}; + __u8 i2c[] = {0xa0, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10}; switch (sd->freq) { default: /* case 0: * no filter*/ @@ -718,9 +715,10 @@ static void setfreq(struct gspca_dev *gspca_dev) i2c[3] = 0; break; case 1: /* 50 hz */ - i2c[3] = 0x4f; + i2c[3] = (sd->sensor == SENSOR_OV6650)? 0x4f:0x8a; break; } + i2c[1] = sd->sensor_addr; if (i2c_w(gspca_dev, i2c) < 0) PDEBUG(D_ERR, "i2c error setfreq"); break; @@ -804,7 +802,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->sensor_addr = 0x21; sd->fr_h_sz = 18; /* size of frame header */ sd->sensor_has_gain = 1; - sd->sd_desc.nctrls = 4; + sd->sd_desc.nctrls = 5; sd->sd_desc.dq_callback = do_autogain; sd->autogain = 0; break; @@ -982,8 +980,7 @@ static void sd_start(struct gspca_dev *gspca_dev) i2c_w_vector(gspca_dev, ov7630_sensor_init_com, sizeof ov7630_sensor_init_com); msleep(200); - i2c_w_vector(gspca_dev, ov7630_sensor_init_3[mode], - sizeof ov7630_sensor_init_3[mode]); + i2c_w(gspca_dev, ov7630_sensor_init_3[mode]); break; case SENSOR_PAS106: pas106_i2cinit(gspca_dev); -- 2.39.5