diff options
Diffstat (limited to 'drivers/media/video/mt9m111.c')
| -rw-r--r-- | drivers/media/video/mt9m111.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index a357aa889fc6..07af26e6bebd 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -184,6 +184,7 @@ struct mt9m111 { struct mutex power_lock; /* lock to protect power_count */ int power_count; const struct mt9m111_datafmt *fmt; + int lastpage; /* PageMap cache value */ unsigned int gain; unsigned char autoexposure; unsigned char datawidth; @@ -202,17 +203,17 @@ static int reg_page_map_set(struct i2c_client *client, const u16 reg) { int ret; u16 page; - static int lastpage = -1; /* PageMap cache value */ + struct mt9m111 *mt9m111 = to_mt9m111(client); page = (reg >> 8); - if (page == lastpage) + if (page == mt9m111->lastpage) return 0; if (page > 2) return -EINVAL; ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); if (!ret) - lastpage = page; + mt9m111->lastpage = page; return ret; } @@ -932,6 +933,8 @@ static int mt9m111_video_probe(struct soc_camera_device *icd, BUG_ON(!icd->parent || to_soc_camera_host(icd->parent)->nr != icd->iface); + mt9m111->lastpage = -1; + mt9m111->autoexposure = 1; mt9m111->autowhitebalance = 1; |