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/openbmc/linux/drivers/input/misc/
H A Drotary_encoder.c11 * See file:Documentation/input/devices/rotary-encoder.rst for more information
26 #define DRV_NAME "rotary-encoder"
56 static unsigned int rotary_encoder_get_state(struct rotary_encoder *encoder) in rotary_encoder_get_state() argument
61 for (i = 0; i < encoder->gpios->ndescs; ++i) { in rotary_encoder_get_state()
62 int val = gpiod_get_value_cansleep(encoder->gpios->desc[i]); in rotary_encoder_get_state()
65 if (encoder->encoding == ROTENC_GRAY && ret & 1) in rotary_encoder_get_state()
74 static void rotary_encoder_report_event(struct rotary_encoder *encoder) in rotary_encoder_report_event() argument
76 if (encoder->relative_axis) { in rotary_encoder_report_event()
77 input_report_rel(encoder->input, in rotary_encoder_report_event()
78 encoder->axis, encoder->dir); in rotary_encoder_report_event()
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/openbmc/linux/drivers/gpu/drm/
H A Ddrm_encoder.c39 * generic sink entity, represented by &struct drm_connector). An encoder takes
73 struct drm_encoder *encoder; in drm_encoder_register_all() local
76 drm_for_each_encoder(encoder, dev) { in drm_encoder_register_all()
77 if (encoder->funcs && encoder->funcs->late_register) in drm_encoder_register_all()
78 ret = encoder->funcs->late_register(encoder); in drm_encoder_register_all()
88 struct drm_encoder *encoder; in drm_encoder_unregister_all() local
90 drm_for_each_encoder(encoder, dev) { in drm_encoder_unregister_all()
91 if (encoder->funcs && encoder->funcs->early_unregister) in drm_encoder_unregister_all()
92 encoder->funcs->early_unregister(encoder); in drm_encoder_unregister_all()
98 struct drm_encoder *encoder, in __drm_encoder_init() argument
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H A Ddrm_encoder_slave.c32 * drm_i2c_encoder_init - Initialize an I2C slave encoder
34 * @encoder: Encoder to be attached to the I2C device. You aren't
53 struct drm_encoder_slave *encoder, in drm_i2c_encoder_init() argument
76 encoder->bus_priv = client; in drm_i2c_encoder_init()
80 err = encoder_drv->encoder_init(client, dev, encoder); in drm_i2c_encoder_init()
85 encoder->slave_funcs->set_config(&encoder->base, in drm_i2c_encoder_init()
99 * drm_i2c_encoder_destroy - Unregister the I2C device backing an encoder
100 * @drm_encoder: Encoder to be unregistered.
103 * encoder driver once I2C access is no longer needed.
107 struct drm_encoder_slave *encoder = to_encoder_slave(drm_encoder); in drm_i2c_encoder_destroy() local
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H A Ddrm_crtc_helper.c97 * drm_helper_encoder_in_use - check if a given encoder is in use
98 * @encoder: encoder to check
100 * Checks whether @encoder is with the current mode setting output configuration
105 * True if @encoder is used, false otherwise.
107 bool drm_helper_encoder_in_use(struct drm_encoder *encoder) in drm_helper_encoder_in_use() argument
111 struct drm_device *dev = encoder->dev; in drm_helper_encoder_in_use()
127 if (connector->encoder == encoder) { in drm_helper_encoder_in_use()
150 struct drm_encoder *encoder; in drm_helper_crtc_in_use() local
162 drm_for_each_encoder(encoder, dev) in drm_helper_crtc_in_use()
163 if (encoder->crtc == crtc && drm_helper_encoder_in_use(encoder)) in drm_helper_crtc_in_use()
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/openbmc/linux/drivers/gpu/drm/msm/disp/dpu1/
H A Ddpu_encoder.h41 * dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to
42 * @encoder: encoder pointer
45 void dpu_encoder_assign_crtc(struct drm_encoder *encoder,
50 * the encoder is assigned to the given crtc
51 * @encoder: encoder pointer
55 void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *encoder,
59 * dpu_encoder_register_frame_event_callback - provide callback to encoder that
61 * @encoder: encoder pointer
65 void dpu_encoder_register_frame_event_callback(struct drm_encoder *encoder,
73 * @encoder: encoder pointer
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H A Ddpu_encoder_phys.h29 * enum dpu_enc_split_role - Role this physical encoder will play in a
32 * @ENC_ROLE_SOLO: This is the one and only panel. This encoder is master.
33 * @ENC_ROLE_MASTER: This encoder is the master of a split panel config.
34 * @ENC_ROLE_SLAVE: This encoder is not the master of a split panel config.
43 * enum dpu_enc_enable_state - current enabled state of the physical encoder
44 * @DPU_ENC_DISABLING: Encoder transitioning to disable state
45 * Events bounding transition are encoder type specific
46 * @DPU_ENC_DISABLED: Encoder is disabled
47 * @DPU_ENC_ENABLING: Encoder transitioning to enabled
48 * Events bounding transition are encoder type specific
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/openbmc/linux/drivers/gpu/drm/i915/display/
H A Dintel_ddi.c91 static int intel_ddi_hdmi_level(struct intel_encoder *encoder, in intel_ddi_hdmi_level() argument
96 level = intel_bios_hdmi_level_shift(encoder->devdata); in intel_ddi_hdmi_level()
118 void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, in hsw_prepare_dp_ddi_buffers() argument
121 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in hsw_prepare_dp_ddi_buffers()
124 enum port port = encoder->port; in hsw_prepare_dp_ddi_buffers()
127 trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); in hsw_prepare_dp_ddi_buffers()
133 intel_bios_dp_boost_level(encoder->devdata)) in hsw_prepare_dp_ddi_buffers()
149 static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, in hsw_prepare_hdmi_ddi_buffers() argument
152 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in hsw_prepare_hdmi_ddi_buffers()
153 int level = intel_ddi_level(encoder, crtc_state, 0); in hsw_prepare_hdmi_ddi_buffers()
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H A Dintel_modeset_verify.c5 * High level crtc/connector/encoder modeset state verification.
36 struct intel_encoder *encoder = intel_attached_encoder(connector); in intel_connector_verify_state() local
47 if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST) in intel_connector_verify_state()
51 conn_state->best_encoder != &encoder->base, in intel_connector_verify_state()
52 "atomic encoder doesn't match attached encoder\n"); in intel_connector_verify_state()
54 I915_STATE_WARN(i915, conn_state->crtc != encoder->base.crtc, in intel_connector_verify_state()
55 "attached encoder crtc differs from connector crtc\n"); in intel_connector_verify_state()
60 "best encoder set without crtc!\n"); in intel_connector_verify_state()
73 struct drm_encoder *encoder = connector->encoder; in verify_connector_state() local
84 I915_STATE_WARN(to_i915(connector->dev), new_conn_state->best_encoder != encoder, in verify_connector_state()
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H A Dg4x_hdmi.c25 static void intel_hdmi_prepare(struct intel_encoder *encoder, in intel_hdmi_prepare() argument
28 struct drm_device *dev = encoder->base.dev; in intel_hdmi_prepare()
31 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); in intel_hdmi_prepare()
64 static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, in intel_hdmi_get_hw_state() argument
67 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_hdmi_get_hw_state()
68 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); in intel_hdmi_get_hw_state()
73 encoder->power_domain); in intel_hdmi_get_hw_state()
79 intel_display_power_put(dev_priv, encoder->power_domain, wakeref); in intel_hdmi_get_hw_state()
86 struct intel_encoder *encoder = in connector_is_hdmi() local
89 return encoder && encoder->type == INTEL_OUTPUT_HDMI; in connector_is_hdmi()
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H A Dicl_dsi.c98 static void wait_for_cmds_dispatched_to_panel(struct intel_encoder *encoder) in wait_for_cmds_dispatched_to_panel() argument
100 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in wait_for_cmds_dispatched_to_panel()
101 struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); in wait_for_cmds_dispatched_to_panel()
231 static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder) in dsi_program_swing_and_deemphasis() argument
233 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in dsi_program_swing_and_deemphasis()
234 struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); in dsi_program_swing_and_deemphasis()
276 static void configure_dual_link_mode(struct intel_encoder *encoder, in configure_dual_link_mode() argument
279 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in configure_dual_link_mode()
280 struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); in configure_dual_link_mode()
326 static int afe_clk(struct intel_encoder *encoder, in afe_clk() argument
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H A Dg4x_dp.c56 void g4x_dp_set_clock(struct intel_encoder *encoder, in g4x_dp_set_clock() argument
59 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in g4x_dp_set_clock()
88 static void intel_dp_prepare(struct intel_encoder *encoder, in intel_dp_prepare() argument
91 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_dp_prepare()
92 struct intel_dp *intel_dp = enc_to_intel_dp(encoder); in intel_dp_prepare()
93 enum port port = encoder->port; in intel_dp_prepare()
173 "[ENCODER:%d:%s] state assertion failure (expected %s, current %s)\n", in assert_dp_port()
296 static bool intel_dp_get_hw_state(struct intel_encoder *encoder, in intel_dp_get_hw_state() argument
299 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_dp_get_hw_state()
300 struct intel_dp *intel_dp = enc_to_intel_dp(encoder); in intel_dp_get_hw_state()
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/openbmc/linux/drivers/media/i2c/
H A Dbt856.c3 * bt856 - BT856A Digital Video Encoder (Rockwell Part)
27 MODULE_DESCRIPTION("Brooktree-856A video encoder driver");
55 static inline int bt856_write(struct bt856 *encoder, u8 reg, u8 value) in bt856_write() argument
57 struct i2c_client *client = v4l2_get_subdevdata(&encoder->sd); in bt856_write()
59 encoder->reg[reg - BT856_REG_OFFSET] = value; in bt856_write()
63 static inline int bt856_setbit(struct bt856 *encoder, u8 reg, u8 bit, u8 value) in bt856_setbit() argument
65 return bt856_write(encoder, reg, in bt856_setbit()
66 (encoder->reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) | in bt856_setbit()
70 static void bt856_dump(struct bt856 *encoder) in bt856_dump() argument
74 v4l2_info(&encoder->sd, "register dump:\n"); in bt856_dump()
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/openbmc/linux/include/drm/
H A Ddrm_encoder.h36 * struct drm_encoder_funcs - encoder controls
44 * Reset encoder hardware and software state to off. This function isn't
48 void (*reset)(struct drm_encoder *encoder);
53 * Clean up encoder resources. This is only called at driver unload time
54 * through drm_mode_config_cleanup() since an encoder cannot be
57 void (*destroy)(struct drm_encoder *encoder);
63 * interfaces attached to the encoder like debugfs interfaces.
72 int (*late_register)(struct drm_encoder *encoder);
78 * userspace interfaces attached to the encoder from
83 void (*early_unregister)(struct drm_encoder *encoder);
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H A Ddrm_encoder_slave.h36 * struct drm_encoder_slave_funcs - Entry points exposed by a slave encoder driver
37 * @set_config: Initialize any encoder-specific modesetting parameters.
48 * if the encoder is the currently selected one for the connector.
51 void (*set_config)(struct drm_encoder *encoder,
54 void (*destroy)(struct drm_encoder *encoder);
55 void (*dpms)(struct drm_encoder *encoder, int mode);
56 void (*save)(struct drm_encoder *encoder);
57 void (*restore)(struct drm_encoder *encoder);
58 bool (*mode_fixup)(struct drm_encoder *encoder,
61 int (*mode_valid)(struct drm_encoder *encoder,
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/openbmc/linux/drivers/gpu/drm/msm/disp/mdp5/
H A Dmdp5_encoder.c13 static struct mdp5_kms *get_kms(struct drm_encoder *encoder) in get_kms() argument
15 struct msm_drm_private *priv = encoder->dev->dev_private; in get_kms()
19 static void mdp5_encoder_destroy(struct drm_encoder *encoder) in mdp5_encoder_destroy() argument
21 struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder); in mdp5_encoder_destroy()
22 drm_encoder_cleanup(encoder); in mdp5_encoder_destroy()
30 static void mdp5_vid_encoder_mode_set(struct drm_encoder *encoder, in mdp5_vid_encoder_mode_set() argument
34 struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder); in mdp5_vid_encoder_mode_set()
35 struct mdp5_kms *mdp5_kms = get_kms(encoder); in mdp5_vid_encoder_mode_set()
36 struct drm_device *dev = encoder->dev; in mdp5_vid_encoder_mode_set()
64 if (connector->encoder == encoder) { in mdp5_vid_encoder_mode_set()
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H A Dmdp5_cmd_encoder.c13 static struct mdp5_kms *get_kms(struct drm_encoder *encoder) in get_kms() argument
15 struct msm_drm_private *priv = encoder->dev->dev_private; in get_kms()
20 static int pingpong_tearcheck_setup(struct drm_encoder *encoder, in pingpong_tearcheck_setup() argument
23 struct mdp5_kms *mdp5_kms = get_kms(encoder); in pingpong_tearcheck_setup()
24 struct device *dev = encoder->dev->dev; in pingpong_tearcheck_setup()
27 struct mdp5_hw_mixer *mixer = mdp5_crtc_get_mixer(encoder->crtc); in pingpong_tearcheck_setup()
77 static int pingpong_tearcheck_enable(struct drm_encoder *encoder) in pingpong_tearcheck_enable() argument
79 struct mdp5_kms *mdp5_kms = get_kms(encoder); in pingpong_tearcheck_enable()
80 struct mdp5_hw_mixer *mixer = mdp5_crtc_get_mixer(encoder->crtc); in pingpong_tearcheck_enable()
87 DRM_DEV_ERROR(encoder->dev->dev, in pingpong_tearcheck_enable()
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/openbmc/linux/drivers/gpu/drm/nouveau/dispnv04/
H A Dtvnv17.c46 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder) in nv42_tv_sample_load() argument
48 struct drm_device *dev = encoder->dev; in nv42_tv_sample_load()
51 uint32_t testval, regoffset = nv04_dac_output_offset(encoder); in nv42_tv_sample_load()
145 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector) in nv17_tv_detect() argument
147 struct drm_device *dev = encoder->dev; in nv17_tv_detect()
150 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder); in nv17_tv_detect()
154 if (nv04_dac_in_use(encoder)) in nv17_tv_detect()
161 nv42_tv_sample_load(encoder) >> 28 & 0xe; in nv17_tv_detect()
164 nv17_dac_sample_load(encoder) >> 28 & 0xe; in nv17_tv_detect()
201 static int nv17_tv_get_ld_modes(struct drm_encoder *encoder, in nv17_tv_get_ld_modes() argument
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H A Dtvnv04.c59 return nvkm_i2c_bus_probe(bus, "TV encoder", in nv04_tv_identify()
74 static void nv04_tv_dpms(struct drm_encoder *encoder, int mode) in nv04_tv_dpms() argument
76 struct drm_device *dev = encoder->dev; in nv04_tv_dpms()
78 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); in nv04_tv_dpms()
82 NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n", in nv04_tv_dpms()
88 int head = nouveau_crtc(encoder->crtc)->index; in nv04_tv_dpms()
102 get_slave_funcs(encoder)->dpms(encoder, mode); in nv04_tv_dpms()
124 static void nv04_tv_prepare(struct drm_encoder *encoder) in nv04_tv_prepare() argument
126 struct drm_device *dev = encoder->dev; in nv04_tv_prepare()
127 int head = nouveau_crtc(encoder->crtc)->index; in nv04_tv_prepare()
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H A Ddac.c41 int nv04_dac_output_offset(struct drm_encoder *encoder) in nv04_dac_output_offset() argument
43 struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; in nv04_dac_output_offset()
132 static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder, in nv04_dac_detect() argument
135 struct drm_device *dev = encoder->dev; in nv04_dac_detect()
235 uint32_t nv17_dac_sample_load(struct drm_encoder *encoder) in nv17_dac_sample_load() argument
237 struct drm_device *dev = encoder->dev; in nv17_dac_sample_load()
241 struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; in nv17_dac_sample_load()
242 uint32_t sample, testval, regoffset = nv04_dac_output_offset(encoder); in nv17_dac_sample_load()
336 nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) in nv17_dac_detect() argument
338 struct nouveau_drm *drm = nouveau_drm(encoder->dev); in nv17_dac_detect()
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/openbmc/linux/drivers/gpu/drm/radeon/
H A Dradeon_legacy_encoders.c46 static void radeon_legacy_encoder_disable(struct drm_encoder *encoder) in radeon_legacy_encoder_disable() argument
48 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); in radeon_legacy_encoder_disable()
51 encoder_funcs = encoder->helper_private; in radeon_legacy_encoder_disable()
52 encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); in radeon_legacy_encoder_disable()
56 static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode) in radeon_legacy_lvds_update() argument
58 struct drm_device *dev = encoder->dev; in radeon_legacy_lvds_update()
60 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); in radeon_legacy_lvds_update()
139 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); in radeon_legacy_lvds_update()
141 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); in radeon_legacy_lvds_update()
145 static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode) in radeon_legacy_lvds_dpms() argument
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H A Datombios_encoders.c99 struct drm_encoder *encoder = &radeon_encoder->base; in atombios_set_backlight_level() local
135 atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0); in atombios_set_backlight_level()
137 atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL, 0, 0); in atombios_set_backlight_level()
138 atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0); in atombios_set_backlight_level()
165 struct radeon_encoder *radeon_encoder = pdata->encoder; in radeon_atom_backlight_update_status()
175 struct radeon_encoder *radeon_encoder = pdata->encoder; in radeon_atom_backlight_get_brightness()
238 pdata->encoder = radeon_encoder; in radeon_atom_backlight_init()
295 static bool radeon_atom_mode_fixup(struct drm_encoder *encoder, in radeon_atom_mode_fixup() argument
299 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); in radeon_atom_mode_fixup()
300 struct drm_device *dev = encoder->dev; in radeon_atom_mode_fixup()
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H A Dradeon_audio.c40 static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
42 static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
189 struct drm_encoder *encoder; in radeon_audio_enable() local
198 list_for_each_entry(encoder, &rdev_to_drm(rdev)->mode_config.encoder_list, head) { in radeon_audio_enable()
199 if (radeon_encoder_is_digital(encoder)) { in radeon_audio_enable()
200 radeon_encoder = to_radeon_encoder(encoder); in radeon_audio_enable()
302 static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) in radeon_audio_write_sad_regs() argument
304 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); in radeon_audio_write_sad_regs()
305 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); in radeon_audio_write_sad_regs()
320 radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count); in radeon_audio_write_sad_regs()
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/openbmc/linux/drivers/gpu/drm/i2c/
H A Dch7006_drv.c33 /* DRM encoder functions */
35 static void ch7006_encoder_set_config(struct drm_encoder *encoder, in ch7006_encoder_set_config() argument
38 struct ch7006_priv *priv = to_ch7006_priv(encoder); in ch7006_encoder_set_config()
43 static void ch7006_encoder_destroy(struct drm_encoder *encoder) in ch7006_encoder_destroy() argument
45 struct ch7006_priv *priv = to_ch7006_priv(encoder); in ch7006_encoder_destroy()
47 drm_property_destroy(encoder->dev, priv->scale_property); in ch7006_encoder_destroy()
50 to_encoder_slave(encoder)->slave_priv = NULL; in ch7006_encoder_destroy()
52 drm_i2c_encoder_destroy(encoder); in ch7006_encoder_destroy()
55 static void ch7006_encoder_dpms(struct drm_encoder *encoder, int mode) in ch7006_encoder_dpms() argument
57 struct i2c_client *client = drm_i2c_encoder_get_client(encoder); in ch7006_encoder_dpms()
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/openbmc/linux/Documentation/devicetree/bindings/input/
H A Drotary-encoder.txt1 Rotary encoder DT bindings
7 - linux,axis: the input subsystem axis to map to this rotary encoder.
9 - rotary-encoder,steps: Number of steps in a full turnaround of the
10 encoder. Only relevant for absolute axis. Defaults to 24 which is a
12 - rotary-encoder,relative-axis: register a relative axis rather than an
15 - rotary-encoder,rollover: Automatic rollover when the rotary value becomes
17 - rotary-encoder,steps-per-period: Number of steps (stable states) per period.
22 - wakeup-source: Boolean, rotary encoder can wake up the system.
23 - rotary-encoder,encoding: String, the method used to encode steps.
27 - rotary-encoder,half-period: Makes the driver work on half-period mode.
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/openbmc/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-encoder-cmd.rst13 VIDIOC_ENCODER_CMD - VIDIOC_TRY_ENCODER_CMD - Execute an encoder command
38 These ioctls control an audio/video (usually MPEG-) encoder.
39 ``VIDIOC_ENCODER_CMD`` sends a command to the encoder,
54 call will restart the encoder.
57 call sends an implicit START command to the encoder if it has not been
62 the encoder, and all buffered data is discarded. Applies to both queues of
67 encoders (as further documented in :ref:`encoder`).
80 - The encoder command, see :ref:`encoder-cmds`.
83 - Flags to go with the command, see :ref:`encoder-flags`. If no
96 .. flat-table:: Encoder Commands
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