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media: ccs: Support 16-bit sensor revision number register

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Read 16-bit sensor revision number if the 8-bit register has value 0.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Sakari Ailus 2023-03-28 14:11:00 +03:00 committed by Hans Verkuil
parent c2fc1693ab
commit 2bef63370b
1 changed files with 5 additions and 1 deletions
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6
drivers/media/i2c/ccs/ccs-core.c
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@ -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) {