From 931a1c8dbf71d851d9d4e4dbdedc192bcc9e98c1 Mon Sep 17 00:00:00 2001 From: Erik Andr?n Date: Thu, 15 Jan 2009 14:18:36 -0300 Subject: [PATCH] V4L/DVB (11535): gspca - m5602-po1030: Add experimental QVGA support Adds experimental support for QVGA. This is code is compile tested only. Signed-off-by: Erik Andr?n Signed-off-by: Mauro Carvalho Chehab --- .../media/video/gspca/m5602/m5602_po1030.c | 42 +++++++++++++++++++ .../media/video/gspca/m5602/m5602_po1030.h | 2 + 2 files changed, 44 insertions(+) diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c index d75b27221a5c..9e9eed89ea63 100644 --- a/drivers/media/video/gspca/m5602/m5602_po1030.c +++ b/drivers/media/video/gspca/m5602/m5602_po1030.c @@ -43,6 +43,15 @@ static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev, static struct v4l2_pix_format po1030_modes[] = { { + 320, + 240, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = 320 * 240, + .bytesperline = 320, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 2 + }, { 640, 480, V4L2_PIX_FMT_SBGGR8, @@ -329,7 +338,40 @@ int po1030_start(struct sd *sd) u8 data; switch (width) { + case 320: + data = PO1030_SUBSAMPLING; + err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); + if (err < 0) + return err; + + data = ((width + 3) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); + if (err < 0) + return err; + + data = (width + 3) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); + if (err < 0) + return err; + + data = ((height + 1) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); + if (err < 0) + return err; + + data = (height + 1) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); + + height += 6; + width -= 1; + break; + case 640: + data = 0; + err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); + if (err < 0) + return err; + data = ((width + 7) >> 8) & 0xff; err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); if (err < 0) diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.h b/drivers/media/video/gspca/m5602/m5602_po1030.h index 8ded84d20973..1ea380b2bbe7 100644 --- a/drivers/media/video/gspca/m5602/m5602_po1030.h +++ b/drivers/media/video/gspca/m5602/m5602_po1030.h @@ -133,6 +133,8 @@ #define PO1030_SENSOR_RESET (1 << 5) +#define PO1030_SUBSAMPLING (1 << 6) + /*****************************************************************************/ #define PO1030_GLOBAL_GAIN_DEFAULT 0x12 -- 2.34.1