Commit 3de886e0 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab

[media] smiapp: Use non-binning limits if the binning limit is zero

Some sensors do use binning but do not have valid limits in binning
registers. Use non-binning limits in that case.
Signed-off-by: default avatarSakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 04582947
......@@ -653,6 +653,7 @@ static int smiapp_get_all_limits(struct smiapp_sensor *sensor)
static int smiapp_get_limits_binning(struct smiapp_sensor *sensor)
{
struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
static u32 const limits[] = {
SMIAPP_LIMIT_MIN_FRAME_LENGTH_LINES_BIN,
SMIAPP_LIMIT_MAX_FRAME_LENGTH_LINES_BIN,
......@@ -671,11 +672,11 @@ static int smiapp_get_limits_binning(struct smiapp_sensor *sensor)
SMIAPP_LIMIT_FINE_INTEGRATION_TIME_MIN,
SMIAPP_LIMIT_FINE_INTEGRATION_TIME_MAX_MARGIN,
};
unsigned int i;
int rval;
if (sensor->limits[SMIAPP_LIMIT_BINNING_CAPABILITY] ==
SMIAPP_BINNING_CAPABILITY_NO) {
unsigned int i;
for (i = 0; i < ARRAY_SIZE(limits); i++)
sensor->limits[limits[i]] =
sensor->limits[limits_replace[i]];
......@@ -683,7 +684,31 @@ static int smiapp_get_limits_binning(struct smiapp_sensor *sensor)
return 0;
}
return smiapp_get_limits(sensor, limits, ARRAY_SIZE(limits));
rval = smiapp_get_limits(sensor, limits, ARRAY_SIZE(limits));
if (rval < 0)
return rval;
/*
* Sanity check whether the binning limits are valid. If not,
* use the non-binning ones.
*/
if (sensor->limits[SMIAPP_LIMIT_MIN_FRAME_LENGTH_LINES_BIN]
&& sensor->limits[SMIAPP_LIMIT_MIN_LINE_LENGTH_PCK_BIN]
&& sensor->limits[SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN])
return 0;
for (i = 0; i < ARRAY_SIZE(limits); i++) {
dev_dbg(&client->dev,
"replace limit 0x%8.8x \"%s\" = %d, 0x%x\n",
smiapp_reg_limits[limits[i]].addr,
smiapp_reg_limits[limits[i]].what,
sensor->limits[limits_replace[i]],
sensor->limits[limits_replace[i]]);
sensor->limits[limits[i]] =
sensor->limits[limits_replace[i]];
}
return 0;
}
static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
......
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