summaryrefslogtreecommitdiffstats
path: root/drivers/media
diff options
context:
space:
mode:
authorSakari Ailus <sakari.ailus@linux.intel.com>2020-05-27 10:35:01 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-12-03 12:27:31 +0100
commit6a0970986e425f5750b081542c340c855d8890e5 (patch)
tree2496437fb78fc497daf8d2333beff1d3ebbbbb6b /drivers/media
parenta11d3d6891f042b3537b7f113462bcac8088ba70 (diff)
media: ccs: Stop reading arrays after the first zero
The register arrays have a certain size but not all the entries will be relevant. In practice reading can be stopped after encountering a zero value in the array. Do that to avoid extra reads. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/ccs/ccs-core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c
index be27b002a772..dec248fe7cc1 100644
--- a/drivers/media/i2c/ccs/ccs-core.c
+++ b/drivers/media/i2c/ccs/ccs-core.c
@@ -199,6 +199,9 @@ static int ccs_read_all_limits(struct ccs_sensor *sensor)
goto out_err;
}
+ if (!val && j)
+ break;
+
ccs_assign_limit(ptr, width, val);
dev_dbg(&client->dev, "0x%8.8x \"%s\" = %u, 0x%x\n",