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-rw-r--r--board/freescale/mx6q_sabresd/mx6q_sabresd.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/board/freescale/mx6q_sabresd/mx6q_sabresd.c b/board/freescale/mx6q_sabresd/mx6q_sabresd.c
index 92c28ae..db55e22 100644
--- a/board/freescale/mx6q_sabresd/mx6q_sabresd.c
+++ b/board/freescale/mx6q_sabresd/mx6q_sabresd.c
@@ -789,6 +789,33 @@ static int setup_pmic_voltages(void)
return -1;
}
+ /*For camera streaks issue,swap VGEN5 and VGEN3 to power camera.
+ *sperate VDDHIGH_IN and camera 2.8V power supply, after switch:
+ *VGEN5 for VDDHIGH_IN and increase to 3V to align with datasheet
+ *VGEN3 for camera 2.8V power supply
+ */
+ /*increase VGEN3 from 2.5 to 2.8V*/
+ if (i2c_read(0x8, 0x6e, 1, &value, 1)) {
+ printf("Read VGEN3 error!\n");
+ return ;
+ }
+ value &= ~0xf;
+ value |= 0xa;
+ if (i2c_write(0x8, 0x6e, 1, &value, 1)) {
+ printf("Set VGEN3 error!\n");
+ return ;
+ }
+ /*increase VGEN5 from 2.8 to 3V*/
+ if (i2c_read(0x8, 0x70, 1, &value, 1)) {
+ printf("Read VGEN5 error!\n");
+ return ;
+ }
+ value &= ~0xf;
+ value |= 0xc;
+ if (i2c_write(0x8, 0x70, 1, &value, 1)) {
+ printf("Set VGEN5 error!\n");
+ return ;
+ }
#if CONFIG_MX6_INTER_LDO_BYPASS
/*VDDCORE 1.1V@800Mhz: SW1AB*/
value = 0x20;