Read 16-bit sensor revision number if the 8-bit register has value 0.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/ccs/ccs-core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c
index daee36c1f545..4adb2da34066 100644
--- a/drivers/media/i2c/ccs/ccs-core.c
+++ b/drivers/media/i2c/ccs/ccs-core.c
@@ -2834,6 +2834,10 @@ static int ccs_identify_module(struct ccs_sensor *sensor)
rval = ccs_read_addr_8only(sensor,
CCS_R_SENSOR_REVISION_NUMBER,
&minfo->sensor_revision_number);
+ if (!rval && !minfo->sensor_revision_number)
+ rval = ccs_read_addr_8only(sensor,
+ CCS_R_SENSOR_REVISION_NUMBER_16,
+ &minfo->sensor_revision_number);
if (!rval)
rval = ccs_read_addr_8only(sensor,
CCS_R_SENSOR_FIRMWARE_VERSION,
@@ -2876,7 +2880,7 @@ static int ccs_identify_module(struct ccs_sensor *sensor)
minfo->sensor_model_id);
dev_dbg(&client->dev,
- "sensor revision 0x%2.2x firmware version 0x%2.2x\n",
+ "sensor revision 0x%4.4x firmware version 0x%2.2x\n",
minfo->sensor_revision_number, minfo->sensor_firmware_version);
if (minfo->ccs_version) {
--
2.30.2
