diff options
| author | Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> | 2012-04-26 16:55:13 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-05-20 17:46:43 +0200 |
| commit | 3de886e0e4e1a981442e26edca5a32777299b079 (patch) | |
| tree | a4a7bd27f6d70a2c4073bfc1cc7de60579dc58ac /drivers/media | |
| parent | [media] smiapp: Initialise rval in smiapp_read_nvm() (diff) | |
| download | linux-3de886e0e4e1a981442e26edca5a32777299b079.tar.xz linux-3de886e0e4e1a981442e26edca5a32777299b079.zip | |
[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: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/smiapp/smiapp-core.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/media/video/smiapp/smiapp-core.c b/drivers/media/video/smiapp/smiapp-core.c index 6524091a9a4c..47d6901b4022 100644 --- a/drivers/media/video/smiapp/smiapp-core.c +++ b/drivers/media/video/smiapp/smiapp-core.c @@ -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) |