极客笔记在root的Android设备上如何查看当前设备支持哪些regulator？
进入adb shell后，执行如下命令查看当前平台支持的regulator名字
cat /sys/class/regulator/regulator.*/name示例输出：
sm4250:/ # cat /sys/class/regulator/regulator.*/name
regulator-dummy
gcc_camss_top_gdsc
wl2866d_l3
wl2866d_l4
pm6125_s1
pm6125_s3
pm6125_s8
pm6125_l2
pm6125_l3
pm6125_l5
pm6125_l6
pm6125_l11
gcc_ufs_phy_gdsc
pm6125_l15
pm6125_l22
pm6125_l24
cam_dovdd_1p8
cam_afvdd_2p8
cam_depth_dovdd_1p8
pm6125_s4_level
pm6125_s4_floor_level
pm6125_s4_level_ao
pm6125_s5_level
smmu_tbu_gdsc
pm6125_s5_floor_level
pm6125_s5_level_ao
pm6125_s6
pm6125_s7
pm6125_l1
pm6125_l4
pm6125_l7
pm6125_l8
pm6125_l9
pm6125_l10
smmu_tcu_gdsc
pm6125_l12
pm6125_l13
pm6125_l14
pm6125_l16
pm6125_l17
pm6125_l18
pm6125_l19
pm6125_l20
pm6125_l21
pm6125_l23
adsp_gdsc
SD7601_01-otg
SD7601_01-input
SD7601_01-chg
bolero_gdsc
bolero_va_gdsc
wl2866d_l1
wl2866d_l2