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| author | Theodore Kilgore <kilgota@banach.math.auburn.edu> | 2010-01-15 05:54:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 15:11:07 -0300 |
| commit | c260fe936de6a52010a3247f9c3e8da47d9726e8 (patch) | |
| tree | b357908f7e3f98c1d56e2a6c8a1b8eaebd27c174 /drivers/media/video | |
| parent | c1ea5b7424e4d1d3f56de1504a257ec2419259e8 (diff) | |
| download | linux-3.10-c260fe936de6a52010a3247f9c3e8da47d9726e8.tar.gz linux-3.10-c260fe936de6a52010a3247f9c3e8da47d9726e8.tar.bz2 linux-3.10-c260fe936de6a52010a3247f9c3e8da47d9726e8.zip | |
V4L/DVB: gspca_mr97310a: Simplify sensor detection
Simplify sensor detection a bit (share more of the code between cif and vga
cameras). Also remove an unnecessary write from zero_the_pointer().
Signed-off-by: Theodore Kilgore <kilgota@banach.math.auburn.edu>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/gspca/mr97310a.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c index d842e818442..959ea2a530a 100644 --- a/drivers/media/video/gspca/mr97310a.c +++ b/drivers/media/video/gspca/mr97310a.c @@ -327,7 +327,6 @@ static int zero_the_pointer(struct gspca_dev *gspca_dev) if (err_code < 0) return err_code; - err_code = mr_write(gspca_dev, 1); data[0] = 0x19; data[1] = 0x51; err_code = mr_write(gspca_dev, 2); @@ -460,12 +459,14 @@ static int sd_config(struct gspca_dev *gspca_dev, if (err_code < 0) return err_code; + /* Now, the query for sensor type. */ + err_code = cam_get_response16(gspca_dev, 0x07, 1); + if (err_code < 0) + return err_code; + if (id->idProduct == 0x0110 || id->idProduct == 0x010e) { sd->cam_type = CAM_TYPE_CIF; cam->nmodes--; - err_code = cam_get_response16(gspca_dev, 0x06, 1); - if (err_code < 0) - return err_code; /* * All but one of the known CIF cameras share the same USB ID, * but two different init routines are in use, and the control @@ -473,7 +474,7 @@ static int sd_config(struct gspca_dev *gspca_dev, * of the two known varieties is connected! * * A list of known CIF cameras follows. They all report either - * 0002 for type 0 or 0003 for type 1. + * 0200 for type 0 or 0300 for type 1. * If you have another to report, please do * * Name sd->sensor_type reported by @@ -487,7 +488,7 @@ static int sd_config(struct gspca_dev *gspca_dev, * Philips dig. keych. 1 T. Kilgore * Trust Spyc@m 100 1 A. Jacobs */ - switch (gspca_dev->usb_buf[1]) { + switch (gspca_dev->usb_buf[0]) { case 2: sd->sensor_type = 0; break; @@ -504,13 +505,9 @@ static int sd_config(struct gspca_dev *gspca_dev, } else { sd->cam_type = CAM_TYPE_VGA; - err_code = cam_get_response16(gspca_dev, 0x07, 1); - if (err_code < 0) - return err_code; - /* - * Here is a table of the responses to the previous command - * from the known MR97310A VGA cameras. + * Here is a table of the responses to the query for sensor + * type, from the known MR97310A VGA cameras. * * Name gspca_dev->usb_buf[] sd->sensor_type * sd->do_lcd_stop @@ -560,7 +557,7 @@ static int sd_config(struct gspca_dev *gspca_dev, PDEBUG(D_PROBE, "MR97310A VGA camera detected, sensor: %d", sd->sensor_type); } - /* Stop streaming as we've started it to probe the sensor type. */ + /* Stop streaming as we've started it only to probe the sensor type. */ sd_stopN(gspca_dev); if (force_sensor_type != -1) { |