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| author | Theodore Kilgore <kilgota@banach.math.auburn.edu> | 2009-11-01 19:07:08 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 23:41:10 +0300 |
| commit | b4b84deede5edb1e5492533a04f24ea16d1fae0a (patch) | |
| tree | 505df4f905c24f5eb1cc890c58d6c884e2f5a072 /drivers/media/video/gspca/mr97310a.c | |
| parent | b31210d737f383c14a02b20ab68e1a5770818f2d (diff) | |
| download | linux-b4b84deede5edb1e5492533a04f24ea16d1fae0a.tar.xz | |
V4L/DVB (13266): gspca_mr97310a: Fix / update some comments
gspca_mr97310a: Fix / update some comments
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/gspca/mr97310a.c')
| -rw-r--r-- | drivers/media/video/gspca/mr97310a.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c index 57ea1c772214..d2bfdec1c907 100644 --- a/drivers/media/video/gspca/mr97310a.c +++ b/drivers/media/video/gspca/mr97310a.c @@ -814,9 +814,8 @@ static int sd_start(struct gspca_dev *gspca_dev) /* Some of the VGA cameras require the memory pointer * to be set to 0 again. We have been forced to start the - * stream somewhere else to detect the hardware, and closed it, - * and now since we are restarting the stream we need to do a - * completely fresh and clean start. */ + * stream in sd_config() to detect the hardware, and closed it. + * Thus, we need here to do a completely fresh and clean start. */ err_code = zero_the_pointer(gspca_dev); if (err_code < 0) return err_code; @@ -875,7 +874,7 @@ static void setbrightness(struct gspca_dev *gspca_dev) value_reg += 4; } - /* Note register 7 is also seen as 0x8x or 0xCx in dumps */ + /* Note register 7 is also seen as 0x8x or 0xCx in some dumps */ if (sd->brightness > 0) { sensor_write1(gspca_dev, sign_reg, 0x00); val = sd->brightness; @@ -900,7 +899,7 @@ static void setexposure(struct gspca_dev *gspca_dev) return; if (sd->cam_type == CAM_TYPE_CIF && sd->sensor_type == 1) { - /* This cam does not like exposure settings > 300, + /* This cam does not like exposure settings < 300, so scale 0 - 4095 to 300 - 4095 */ exposure = (sd->exposure * 9267) / 10000 + 300; sensor_write1(gspca_dev, 3, exposure >> 4); @@ -908,7 +907,7 @@ static void setexposure(struct gspca_dev *gspca_dev) } else { /* We have both a clock divider and an exposure register. We first calculate the clock divider, as that determines - the maximum exposure and then we calculayte the exposure + the maximum exposure and then we calculate the exposure register setting (which goes from 0 - 511). Note our 0 - 4095 exposure is mapped to 0 - 511 |