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/Documentation/driver-api/driver-model/
Dclass.rst7 A device class describes a type of device, like an audio or network
13 Each device class defines a set of semantics and a programming interface
14 that devices of that class adhere to. Device drivers are the
24 The device class structure looks like::
30 See the kerneldoc for the struct class.
32 A typical device class definition would look like::
40 Each device class structure should be exported in a header file so it
51 As devices are bound to drivers, they are added to the device class
57 The device is enumerated in the class. Each time a device is added to
58 the class, the class's devnum field is incremented and assigned to the
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/Documentation/ABI/testing/
Dsysfs-driver-hid-srws11 What: /sys/class/leds/SRWS1::<serial>::RPM1
2 What: /sys/class/leds/SRWS1::<serial>::RPM2
3 What: /sys/class/leds/SRWS1::<serial>::RPM3
4 What: /sys/class/leds/SRWS1::<serial>::RPM4
5 What: /sys/class/leds/SRWS1::<serial>::RPM5
6 What: /sys/class/leds/SRWS1::<serial>::RPM6
7 What: /sys/class/leds/SRWS1::<serial>::RPM7
8 What: /sys/class/leds/SRWS1::<serial>::RPM8
9 What: /sys/class/leds/SRWS1::<serial>::RPM9
10 What: /sys/class/leds/SRWS1::<serial>::RPM10
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Dsysfs-c2port1 What: /sys/class/c2port/
5 The /sys/class/c2port/ directory will contain files and
9 What: /sys/class/c2port/c2portX
13 The /sys/class/c2port/c2portX/ directory is related to X-th
17 What: /sys/class/c2port/c2portX/access
21 The /sys/class/c2port/c2portX/access file enable the access
25 What: /sys/class/c2port/c2portX/dev_id
29 The /sys/class/c2port/c2portX/dev_id file show the device ID
32 What: /sys/class/c2port/c2portX/flash_access
36 The /sys/class/c2port/c2portX/flash_access file enable the
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Dsysfs-class-devfreq1 What: /sys/class/devfreq/.../
10 What: /sys/class/devfreq/.../governor
14 The /sys/class/devfreq/.../governor show or set the name of the
17 What: /sys/class/devfreq/.../cur_freq
21 The /sys/class/devfreq/.../cur_freq shows the current
26 What: /sys/class/devfreq/.../target_freq
30 The /sys/class/devfreq/.../target_freq shows the next governor
33 What: /sys/class/devfreq/.../polling_interval
37 The /sys/class/devfreq/.../polling_interval shows and sets
44 (/sys/class/devfreq/.../central_polling is 0), this value
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Dsysfs-pps1 What: /sys/class/pps/
5 The /sys/class/pps/ directory will contain files and
9 What: /sys/class/pps/ppsX/
13 The /sys/class/pps/ppsX/ directory is related to X-th
17 What: /sys/class/pps/ppsX/assert
21 The /sys/class/pps/ppsX/assert file reports the assert events
29 What: /sys/class/pps/ppsX/clear
33 The /sys/class/pps/ppsX/clear file reports the clear events
41 What: /sys/class/pps/ppsX/mode
45 The /sys/class/pps/ppsX/mode file reports the functioning
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Dsysfs-class-backlight-driver-adp88701 What: /sys/class/backlight/<backlight>/<ambient light zone>_max
2 What: /sys/class/backlight/<backlight>/l1_daylight_max
3 What: /sys/class/backlight/<backlight>/l2_bright_max
4 What: /sys/class/backlight/<backlight>/l3_office_max
5 What: /sys/class/backlight/<backlight>/l4_indoor_max
6 What: /sys/class/backlight/<backlight>/l5_dark_max
16 What: /sys/class/backlight/<backlight>/<ambient light zone>_dim
17 What: /sys/class/backlight/<backlight>/l2_bright_dim
18 What: /sys/class/backlight/<backlight>/l3_office_dim
19 What: /sys/class/backlight/<backlight>/l4_indoor_dim
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Dsysfs-class-pktcdvd6 What: /sys/class/pktcdvd/add
7 What: /sys/class/pktcdvd/remove
8 What: /sys/class/pktcdvd/device_map
25 What: /sys/class/pktcdvd/pktcdvd[0-7]/dev
26 What: /sys/class/pktcdvd/pktcdvd[0-7]/uevent
36 What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/packets_started
37 What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/packets_finished
38 What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_written
39 What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_read
40 What: /sys/class/pktcdvd/pktcdvd[0-7]/stat/kb_read_gather
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Dsysfs-class-pwm1 What: /sys/class/pwm/
6 The pwm/ class sub-directory belongs to the Generic PWM
10 What: /sys/class/pwm/pwmchipN/
15 A /sys/class/pwm/pwmchipN directory is created for each
19 What: /sys/class/pwm/pwmchipN/npwm
26 What: /sys/class/pwm/pwmchipN/export
32 Value is between 0 and /sys/class/pwm/pwmchipN/npwm - 1.
34 What: /sys/class/pwm/pwmchipN/unexport
41 What: /sys/class/pwm/pwmchipN/pwmX
46 A /sys/class/pwm/pwmchipN/pwmX directory is created for
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Dsysfs-ata1 What: /sys/class/ata_...
7 Files under /sys/class/ata_port
14 What: /sys/class/ata_port/ataX/nr_pmp_links
15 What: /sys/class/ata_port/ataX/idle_irq
27 What: /sys/class/ata_port/ataX/port_no
37 Files under /sys/class/ata_link
48 What: /sys/class/ata_link/linkX[.Y]/hw_sata_spd_limit
49 What: /sys/class/ata_link/linkX[.Y]/sata_spd_limit
50 What: /sys/class/ata_link/linkX[.Y]/sata_spd
64 Files under /sys/class/ata_device
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Dsysfs-class-cxl3 For example, the real path of the attribute /sys/class/cxl/afu0.0s/irqs_max is
4 /sys/class/cxl/afu0.0s/device/irqs_max, i.e. /sys/class/cxl/afu0.0/irqs_max.
7 Slave contexts (eg. /sys/class/cxl/afu0.0s):
9 What: /sys/class/cxl/<afu>/afu_err_buf
20 What: /sys/class/cxl/<afu>/irqs_max
31 What: /sys/class/cxl/<afu>/irqs_min
41 What: /sys/class/cxl/<afu>/mmio_size
49 What: /sys/class/cxl/<afu>/modes_supported
57 What: /sys/class/cxl/<afu>/mode
67 What: /sys/class/cxl/<afu>/prefault_mode
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Dsysfs-class-powercap1 What: /sys/class/powercap/
6 The powercap/ class sub directory belongs to the power cap
10 What: /sys/class/powercap/<control type>
15 A <control type> is a unique name under /sys/class/powercap.
19 What: /sys/class/powercap/<control type>/enabled
27 What: /sys/class/powercap/<control type>/<power zone>
37 What: /sys/class/powercap/<control type>/<power zone>/<child power zone>
48 What: /sys/class/powercap/.../<power zone>/name
55 What: /sys/class/powercap/.../<power zone>/energy_uj
64 What: /sys/class/powercap/.../<power zone>/max_energy_range_uj
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Dsysfs-class-wakeup1 What: /sys/class/wakeup/
5 The /sys/class/wakeup/ directory contains pointers to all
8 What: /sys/class/wakeup/.../name
14 What: /sys/class/wakeup/.../active_count
21 What: /sys/class/wakeup/.../event_count
28 What: /sys/class/wakeup/.../wakeup_count
35 What: /sys/class/wakeup/.../expire_count
42 What: /sys/class/wakeup/.../active_time_ms
50 What: /sys/class/wakeup/.../total_time_ms
57 What: /sys/class/wakeup/.../max_time_ms
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Dsysfs-driver-habanalabs1 What: /sys/class/habanalabs/hl<n>/armcp_kernel_ver
7 What: /sys/class/habanalabs/hl<n>/armcp_ver
13 What: /sys/class/habanalabs/hl<n>/cpld_ver
19 What: /sys/class/habanalabs/hl<n>/device_type
26 What: /sys/class/habanalabs/hl<n>/eeprom
33 What: /sys/class/habanalabs/hl<n>/fuse_ver
39 What: /sys/class/habanalabs/hl<n>/hard_reset
47 What: /sys/class/habanalabs/hl<n>/hard_reset_cnt
54 What: /sys/class/habanalabs/hl<n>/high_pll
62 What: /sys/class/habanalabs/hl<n>/ic_clk
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Dsysfs-driver-genwqe1 What: /sys/class/genwqe/genwqe<n>_card/version
7 What: /sys/class/genwqe/genwqe<n>_card/appid
13 What: /sys/class/genwqe/genwqe<n>_card/type
18 What: /sys/class/genwqe/genwqe<n>_card/curr_bitstream
23 What: /sys/class/genwqe/genwqe<n>_card/next_bitstream
28 What: /sys/class/genwqe/genwqe<n>_card/reload_bitstream
33 /sys/class/genwqe/genwqe0_card/reload_bitstream'
37 What: /sys/class/genwqe/genwqe<n>_card/tempsens
42 What: /sys/class/genwqe/genwqe<n>_card/freerunning_timer
48 What: /sys/class/genwqe/genwqe<n>_card/queue_working_time
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Dsysfs-class-mei1 What: /sys/class/mei/
6 The mei/ class sub-directory belongs to mei device class
9 What: /sys/class/mei/meiN/
14 The /sys/class/mei/meiN directory is created for
17 What: /sys/class/mei/meiN/fw_status
32 What: /sys/class/mei/meiN/hbm_ver
41 What: /sys/class/mei/meiN/hbm_ver_drv
49 What: /sys/class/mei/meiN/tx_queue_limit
58 What: /sys/class/mei/meiN/fw_ver
69 What: /sys/class/mei/meiN/dev_state
Dsysfs-class-net-statistics1 What: /sys/class/<iface>/statistics/collisions
9 What: /sys/class/<iface>/statistics/multicast
17 What: /sys/class/<iface>/statistics/rx_bytes
26 What: /sys/class/<iface>/statistics/rx_compressed
35 What: /sys/class/<iface>/statistics/rx_crc_errors
44 What: /sys/class/<iface>/statistics/rx_dropped
54 What: /sys/class/<iface>/statistics/rx_fifo_errors
63 What: /sys/class/<iface>/statistics/rx_frame_errors
73 What: /sys/class/<iface>/statistics/rx_length_errors
82 What: /sys/class/<iface>/statistics/rx_missed_errors
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Dsysfs-ptp1 What: /sys/class/ptp/
9 What: /sys/class/ptp/ptpN/
14 hardware clock registered into the PTP class driver
17 What: /sys/class/ptp/ptpN/clock_name
28 What: /sys/class/ptp/ptpN/max_adjustment
36 What: /sys/class/ptp/ptpN/n_alarms
43 What: /sys/class/ptp/ptpN/n_external_timestamps
50 What: /sys/class/ptp/ptpN/n_periodic_outputs
57 What: /sys/class/ptp/ptpN/n_pins
64 What: /sys/class/ptp/ptpN/pins
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/Documentation/media/uapi/v4l/
Dbayer.svg29 …data><g id="g186" class="com.sun.star.drawing.CustomShape" transform="translate(-3285.9 -3185.9)">…
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/Documentation/ABI/stable/
Dsysfs-class-infiniband4 What: /sys/class/infiniband/<device>/node_type
5 What: /sys/class/infiniband/<device>/node_guid
6 What: /sys/class/infiniband/<device>/sys_image_guid
19 What: /sys/class/infiniband/<device>/node_desc
29 What: /sys/class/infiniband/<device>/fw_ver
37 What: /sys/class/infiniband/<device>/ports/<port-num>/lid
38 What: /sys/class/infiniband/<device>/ports/<port-num>/rate
39 What: /sys/class/infiniband/<device>/ports/<port-num>/lid_mask_count
40 What: /sys/class/infiniband/<device>/ports/<port-num>/sm_sl
41 What: /sys/class/infiniband/<device>/ports/<port-num>/sm_lid
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Dsysfs-class-ubi1 What: /sys/class/ubi/
6 The ubi/ class sub-directory belongs to the UBI subsystem and
10 What: /sys/class/ubi/version
23 What: /sys/class/ubiX/
28 The /sys/class/ubi0, /sys/class/ubi1, etc directories describe
33 What: /sys/class/ubi/ubiX/avail_eraseblocks
42 What: /sys/class/ubi/ubiX/bad_peb_count
49 What: /sys/class/ubi/ubiX/bgt_enabled
57 What: /sys/class/ubi/ubiX/dev
65 What: /sys/class/ubi/ubiX/eraseblock_size
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/Documentation/driver-api/usb/
Dtypec.rst3 USB Type-C connector class
9 The typec class is meant for describing the USB Type-C ports in a system to the
10 user space in unified fashion. The class is designed to provide nothing else
15 class. In a normal case the registration will be done by a USB Type-C or PD PHY
18 considers the component registering the USB Type-C ports with the class as "port
21 On top of showing the capabilities, the class also offer user space control over
25 The class provides an API for the port drivers described in this document. The
26 attributes are described in Documentation/ABI/testing/sysfs-class-typec.
30 Every port will be presented as its own device under /sys/class/typec/. The
34 /sys/class/typec/. The parent of the partner device will always be the port it
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/Documentation/media/uapi/dvb/
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/Documentation/leds/
Dleds-lm3556.rst26 LM3556 Flash can be controlled through sys/class/leds/flash/brightness file
35 #echo 0 > sys/class/leds/flash/brightness
39 #echo 1 > sys/class/leds/flash/brightness
45 #echo 16 > sys/class/leds/flash/brightness
54 LM3556 torch can be controlled through sys/class/leds/torch/brightness file.
62 #echo 0 > sys/class/leds/torch/brightness
66 #echo 1 > sys/class/leds/torch/brightness
72 #echo 8 > sys/class/leds/torch/brightness
77 Indicator pattern can be set through sys/class/leds/indicator/pattern file,
90 #echo 0 > sys/class/leds/indicator/pattern
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