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V4L/DVB (13266): gspca_mr97310a: Fix / update some comments

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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>
This commit is contained in:
Theodore Kilgore 2009-11-01 13:07:08 -03:00 committed by Mauro Carvalho Chehab
parent b31210d737
commit b4b84deede
1 changed files with 5 additions and 6 deletions
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11
drivers/media/video/gspca/mr97310a.c
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@ -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