A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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camera: ois: read 0xC bytes in cci_read

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sm6375 cci only support read 0xE bytes each time.
if we read 0xE bytes, it will access invalid memory.
so change to read 0xC bytes each time.

Change-Id: Id59620df4e5cb16bfb31396fdc6fc65c60449600
Signed-off-by: liuwang2 <liuwang2@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2155699
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: XiaoFeng Wang <wangxf32@lenovo.com>
Reviewed-by: <liuzy55@motorola.com>
Reviewed-by: Long Cheng <chengl1@motorola.com>
Reviewed-by: Zhichao Chen <chenzc2@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
liuwang2 2021-12-28 11:32:57 +08:00 • committed by zhaoji1
commit d296bfbc93
2 changed files with 1 additions and 2 deletions
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1
drivers/cam_sensor_module/cam_ois/cam_ois_dev.c
View file

@ -337,7 +337,6 @@ static irqreturn_t cam_ois_vsync_irq_thread(int irq, void *data)
do {
// SM6375: CCI_VERSION_1_2_9 can only support read 0xE bytes data one time.
// Each loop read max supported bytes(0xE). One packet(62 bytes) need 5 times loop read.
for (k = 0; k < PACKET_BYTE/READ_BYTE + 1; k++) {
if (k == PACKET_BYTE/READ_BYTE)
read_len = PACKET_BYTE%READ_BYTE;

2
drivers/cam_sensor_module/cam_ois/cam_ois_dev.h
View file

@ -28,7 +28,7 @@
#define PACKET_ADDR 0x70B0
#define PACKET_BYTE 62
#define MAX_PACKET 3
#define READ_BYTE 0xE
#define READ_BYTE 0xC
enum cam_ois_state {
CAM_OIS_INIT,