fbd-dev-led-qcom: Support QCOM LPG LED single color
QCOM LPG LEDs expose a hw_pattern sysfs entry which accepts a limited set of patterns but allows to use dedicated hardware for blinking the LED. This way, battery life can be improved and the LED still blinks, even if the device is suspended.
This commit is contained in:
Dylan Van Assche
committed by
Guido Günther
Guido Günther
parent
22e4c33606
commit
10e6d3cba8
@@ -0,0 +1,16 @@
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/*
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* Copyright (C) 2023 Dylan Van Assche <me@dylanvanassche.be>
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*
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* SPDX-License-Identifier: GPL-3.0+
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*/
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#pragma once
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#include "fbd-dev-led-qcom.h"
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#include <glib-object.h>
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G_BEGIN_DECLS
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gboolean fbd_dev_led_probe_qcom (FbdDevLed *led, GError **error);
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G_END_DECLS
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@@ -0,0 +1,118 @@
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/*
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* Copyright (C) 2023 Dylan Van Assche <me@dylanvanassche.be>
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*
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* SPDX-License-Identifier: GPL-3.0+
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*/
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#define G_LOG_DOMAIN "fbd-dev-led-qcom"
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#include "fbd-dev-led-priv.h"
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#include "fbd-dev-led-qcom.h"
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#include "fbd-dev-led-qcom-priv.h"
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#include "fbd-enums.h"
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#include "fbd-udev.h"
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#include <gio/gio.h>
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#define LED_HW_PATTERN_ATTR "hw_pattern"
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#define LED_REPEAT_ATTR "repeat"
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#define LED_REPEAT_INFINITY "-1"
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#define QCOM_LPG_MAX_PAUSE_MS 511
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typedef struct _FbdDevLedQcom {
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FbdDevLed parent;
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} FbdDevLedQcom;
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G_DEFINE_TYPE (FbdDevLedQcom, fbd_dev_led_qcom, FBD_TYPE_DEV_LED)
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static gboolean
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fbd_dev_led_qcom_probe (FbdDevLed *led, GError **error)
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{
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GUdevDevice *dev = fbd_dev_led_get_device (led);
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const gchar *name;
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const gchar * const *index;
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name = g_udev_device_get_name (dev);
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index = g_udev_device_get_sysfs_attr_as_strv (dev, LED_HW_PATTERN_ATTR);
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if (index == NULL) {
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g_set_error (error,
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G_FILE_ERROR, G_FILE_ERROR_FAILED,
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"%s is no QCOM LED with HW support", name);
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return FALSE;
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}
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return FBD_DEV_LED_CLASS (fbd_dev_led_qcom_parent_class)->probe(led, error);
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}
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static gboolean
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fbd_dev_led_qcom_start_periodic (FbdDevLed *led,
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guint max_brightness_percentage,
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guint freq)
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{
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GUdevDevice *dev = fbd_dev_led_get_device (led);
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gdouble max;
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gdouble t;
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g_autofree gchar *str = NULL;
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g_autoptr (GError) err = NULL;
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gboolean success;
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g_return_val_if_fail (max_brightness_percentage <= 100.0, FALSE);
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max = fbd_dev_led_get_max_brightness (led) * (max_brightness_percentage / 100.0);
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g_debug ("Using hw_pattern interface for QCOM LPG LED");
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/* QCOM LPG LEDs can only pause up to 511ms */
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/* ms mHz T/2 */
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t = 1000.0 * 1000.0 / freq / 2.0;
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if (t > QCOM_LPG_MAX_PAUSE_MS)
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t = QCOM_LPG_MAX_PAUSE_MS;
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str = g_strdup_printf ("0 %d 0 0 %d %d %d 0\n", (gint)t, (gint)max, (gint)t, (gint)max);
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success = fbd_udev_set_sysfs_path_attr_as_string (dev, LED_REPEAT_ATTR, LED_REPEAT_INFINITY, &err);
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if (!success) {
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g_warning ("Failed to set LED repeat: %s", err->message);
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goto failure;
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}
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success = fbd_udev_set_sysfs_path_attr_as_string (dev, LED_HW_PATTERN_ATTR, str, &err);
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if (!success) {
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g_warning ("Failed to set LED hw_pattern: %s", err->message);
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goto failure;
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}
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g_debug ("Freq %d mHz, Brightness: %d%%, Blink pattern: %s, HW: yes", freq, max_brightness_percentage, str);
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return TRUE;
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failure:
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g_warning("Falling back to software pattern");
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return FBD_DEV_LED_CLASS (fbd_dev_led_qcom_parent_class)->start_periodic (
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led, max_brightness_percentage, freq);
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}
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static void
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fbd_dev_led_qcom_class_init (FbdDevLedQcomClass *klass)
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{
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FbdDevLedClass *fbd_dev_led_class = FBD_DEV_LED_CLASS (klass);
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fbd_dev_led_class->probe = fbd_dev_led_qcom_probe;
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fbd_dev_led_class->start_periodic = fbd_dev_led_qcom_start_periodic;
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}
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static void
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fbd_dev_led_qcom_init (FbdDevLedQcom *self)
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{
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}
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FbdDevLed *
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fbd_dev_led_qcom_new (GUdevDevice *dev, GError **err)
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{
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return g_initable_new (FBD_TYPE_DEV_LED_QCOM, NULL, err, "dev", dev, NULL);
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}
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@@ -0,0 +1,18 @@
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/*
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* Copyright (C) 2023 Dylan Van Assche <me@dylanvanassche.be>
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*
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* SPDX-License-Identifier: GPL-3.0+
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*/
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#pragma once
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#include "fbd-dev-led.h"
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G_BEGIN_DECLS
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#define FBD_TYPE_DEV_LED_QCOM fbd_dev_led_qcom_get_type()
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G_DECLARE_FINAL_TYPE (FbdDevLedQcom, fbd_dev_led_qcom, FBD, DEV_LED_QCOM, FbdDevLed)
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FbdDevLed *fbd_dev_led_qcom_new (GUdevDevice *dev, GError **err);
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G_END_DECLS
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@@ -17,6 +17,7 @@ sources = [
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'fbd-dev-sound.c',
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'fbd-dev-sound.c',
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'fbd-dev-led.c',
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'fbd-dev-led.c',
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'fbd-dev-led-multicolor.c',
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'fbd-dev-led-multicolor.c',
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'fbd-dev-led-qcom.c',
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'fbd-dev-leds.c',
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'fbd-dev-leds.c',
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'fbd-event.c',
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'fbd-event.c',
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'fbd-feedback-base.c',
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'fbd-feedback-base.c',
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@@ -0,0 +1,118 @@
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P: /devices/platform/soc@0/c440000.spmi/spmi-0/0-03/c440000.spmi:pmic@3:pwm/leds/white:status
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E: FEEDBACKD_TYPE=led
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E: ID_FOR_SEAT=leds-platform-c440000_spmi-platform-c440000_spmi_pmic_3_pwm
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E: ID_PATH=platform-c440000.spmi-platform-c440000.spmi:pmic@3:pwm
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E: ID_PATH_TAG=platform-c440000_spmi-platform-c440000_spmi_pmic_3_pwm
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E: OF_COMPATIBLE_N=0
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E: OF_FULLNAME=/soc@0/spmi@c440000/pmic@3/pwm/led@5
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E: OF_NAME=led
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E: SUBSYSTEM=leds
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E: TAGS=:seat:
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A: brightness=0\n
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L: device=../../../c440000.spmi:pmic@3:pwm
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A: hw_pattern=
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A: max_brightness=511\n
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A: pattern=
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A: power/control=auto\n
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A: power/runtime_active_time=0\n
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A: power/runtime_status=unsupported\n
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A: power/runtime_suspended_time=0\n
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A: repeat=-1\n
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A: trigger=none kbd-scrolllock kbd-numlock kbd-capslock kbd-kanalock kbd-shiftlock kbd-altgrlock kbd-ctrllock kbd-altlock kbd-shiftllock kbd-shiftrlock kbd-ctrlllock kbd-ctrlrlock timer oneshot heartbeat backlight cpu cpu0 cpu1 cpu2 cpu3 cpu4 cpu5 cpu6 cpu7 activity default-on panic [pattern] mmc0 rfkill-any rfkill-none bluetooth-power hci0-power rfkill0 pmi8998-charger-online qcom-battery-charging-or-full qcom-battery-charging qcom-battery-full qcom-battery-charging-blink-full-solid phy0rx phy0tx phy0assoc phy0radio rfkill1\n
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P: /devices/platform/soc@0/c440000.spmi/spmi-0/0-03/c440000.spmi:pmic@3:pwm
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E: DRIVER=qcom-spmi-lpg
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E: MODALIAS=of:NpwmT(null)Cqcom,pmi8998-lpg
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E: OF_COMPATIBLE_0=qcom,pmi8998-lpg
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E: OF_COMPATIBLE_N=1
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E: OF_FULLNAME=/soc@0/spmi@c440000/pmic@3/pwm
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E: OF_NAME=pwm
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E: SUBSYSTEM=platform
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L: driver=../../../../../../../bus/platform/drivers/qcom-spmi-lpg
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A: driver_override=(null)\n
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A: modalias=of:NpwmT(null)Cqcom,pmi8998-lpg\n
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L: of_node=../../../../../../../firmware/devicetree/base/soc@0/spmi@c440000/pmic@3/pwm
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A: power/control=auto\n
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A: power/runtime_active_time=0\n
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A: power/runtime_status=unsupported\n
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A: power/runtime_suspended_time=0\n
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P: /devices/platform/soc@0/c440000.spmi/spmi-0/0-03
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E: DRIVER=pmic-spmi
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E: MODALIAS=of:NpmicT(null)Cqcom,pmi8998Cqcom,spmi-pmic
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E: OF_COMPATIBLE_0=qcom,pmi8998
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E: OF_COMPATIBLE_1=qcom,spmi-pmic
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E: OF_COMPATIBLE_N=2
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E: OF_FULLNAME=/soc@0/spmi@c440000/pmic@3
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E: OF_NAME=pmic
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E: SUBSYSTEM=spmi
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L: driver=../../../../../../bus/spmi/drivers/pmic-spmi
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L: of_node=../../../../../../firmware/devicetree/base/soc@0/spmi@c440000/pmic@3
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A: power/control=auto\n
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A: power/runtime_active_time=124723680\n
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A: power/runtime_status=active\n
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A: power/runtime_suspended_time=0\n
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P: /devices/platform/soc@0/c440000.spmi/spmi-0
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E: MODALIAS=of:NspmiT(null)Cqcom,spmi-pmic-arb
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E: OF_COMPATIBLE_0=qcom,spmi-pmic-arb
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E: OF_COMPATIBLE_N=1
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E: OF_FULLNAME=/soc@0/spmi@c440000
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E: OF_NAME=spmi
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E: SUBSYSTEM=spmi
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L: of_node=../../../../../firmware/devicetree/base/soc@0/spmi@c440000
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A: power/control=auto\n
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A: power/runtime_active_time=0\n
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A: power/runtime_status=unsupported\n
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A: power/runtime_suspended_time=0\n
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P: /devices/platform/soc@0/c440000.spmi
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E: DRIVER=spmi_pmic_arb
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E: MODALIAS=of:NspmiT(null)Cqcom,spmi-pmic-arb
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E: OF_COMPATIBLE_0=qcom,spmi-pmic-arb
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E: OF_COMPATIBLE_N=1
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E: OF_FULLNAME=/soc@0/spmi@c440000
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E: OF_NAME=spmi
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E: SUBSYSTEM=platform
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L: consumer:platform:c440000.spmi:pmic@0:adc@3100=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@0:adc@3100
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L: consumer:platform:c440000.spmi:pmic@0:pon@800:pwrkey=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@0:pon@800:pwrkey
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L: consumer:platform:c440000.spmi:pmic@0:pon@800:resin=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@0:pon@800:resin
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L: consumer:platform:c440000.spmi:pmic@0:rtc@6000=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@0:rtc@6000
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L: consumer:platform:c440000.spmi:pmic@0:temp-alarm@2400=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@0:temp-alarm@2400
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L: consumer:platform:c440000.spmi:pmic@2:charger@1000=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@2:charger@1000
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L: consumer:platform:c440000.spmi:pmic@2:fuel-gauge@4000=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@2:fuel-gauge@4000
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L: consumer:platform:c440000.spmi:pmic@3:haptics@c000=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@3:haptics@c000
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L: consumer:platform:c440000.spmi:pmic@3:leds@d800=../../../virtual/devlink/platform:c440000.spmi--platform:c440000.spmi:pmic@3:leds@d800
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L: driver=../../../../bus/platform/drivers/spmi_pmic_arb
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A: driver_override=(null)\n
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A: modalias=of:NspmiT(null)Cqcom,spmi-pmic-arb\n
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L: of_node=../../../../firmware/devicetree/base/soc@0/spmi@c440000
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A: power/control=auto\n
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A: power/runtime_active_time=0\n
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A: power/runtime_status=unsupported\n
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A: power/runtime_suspended_time=0\n
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P: /devices/platform/soc@0
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E: DRIVER=simple-pm-bus
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E: MODALIAS=of:NsocT(null)Csimple-bus
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E: OF_COMPATIBLE_0=simple-bus
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E: OF_COMPATIBLE_N=1
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E: OF_FULLNAME=/soc@0
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E: OF_NAME=soc
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E: SUBSYSTEM=platform
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L: consumer:platform:17c90000.timer=../../virtual/devlink/platform:soc@0--platform:17c90000.timer
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L: consumer:platform:894000.i2c=../../virtual/devlink/platform:soc@0--platform:894000.i2c
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L: consumer:platform:898000.serial=../../virtual/devlink/platform:soc@0--platform:898000.serial
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L: consumer:platform:a600000.usb=../../virtual/devlink/platform:soc@0--platform:a600000.usb
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L: consumer:platform:a84000.serial=../../virtual/devlink/platform:soc@0--platform:a84000.serial
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L: consumer:platform:a98000.i2c=../../virtual/devlink/platform:soc@0--platform:a98000.i2c
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L: driver=../../../bus/platform/drivers/simple-pm-bus
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A: driver_override=(null)\n
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A: modalias=of:NsocT(null)Csimple-bus\n
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L: of_node=../../../firmware/devicetree/base/soc@0
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A: power/control=auto\n
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A: power/runtime_active_time=0\n
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A: power/runtime_status=unsupported\n
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A: power/runtime_suspended_time=0\n
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@@ -8,6 +8,7 @@
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#include "fbd-feedback-led.h"
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#include "fbd-feedback-led.h"
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#include "fbd-dev-led.h"
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#include "fbd-dev-led.h"
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#include "fbd-dev-led-multicolor.h"
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#include "fbd-dev-led-multicolor.h"
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#include "fbd-dev-led-qcom.h"
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#include "testlib.h"
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#include "testlib.h"
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@@ -67,6 +68,33 @@ test_fbd_dev_led_multicolor (FbdUmockdevFixture *fixture, gconstpointer unused)
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}
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}
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static void
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test_fbd_dev_led_qcom_simple (FbdUmockdevFixture *fixture, gconstpointer unused)
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{
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||||||
|
GUdevClient *client;
|
||||||
|
g_autolist (GUdevDevice) leds = NULL;
|
||||||
|
FbdDevLed *led;
|
||||||
|
g_autoptr (GError) err = NULL;
|
||||||
|
GUdevDevice *dev;
|
||||||
|
|
||||||
|
client = g_udev_client_new ((const char *const []){ "leds", NULL});
|
||||||
|
leds = g_udev_client_query_by_subsystem (client, "leds");
|
||||||
|
|
||||||
|
/* There should be a single device only */
|
||||||
|
g_assert_cmpint (g_list_length (leds), ==, 1);
|
||||||
|
dev = G_UDEV_DEVICE (leds->data);
|
||||||
|
|
||||||
|
g_assert_cmpstr (g_udev_device_get_property (dev, "FEEDBACKD_TYPE"), ==, "led");
|
||||||
|
|
||||||
|
led = fbd_dev_led_qcom_new (dev, &err);
|
||||||
|
g_assert_no_error (err);
|
||||||
|
g_assert_cmpint (fbd_dev_led_get_max_brightness (led), ==, 511);
|
||||||
|
g_assert_true (fbd_dev_led_supports_color (led, FBD_FEEDBACK_LED_COLOR_WHITE));
|
||||||
|
g_assert_true (fbd_dev_led_start_periodic (led, 50, 50));
|
||||||
|
g_assert_finalize_object (led);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
gint
|
gint
|
||||||
main (gint argc, gchar *argv[])
|
main (gint argc, gchar *argv[])
|
||||||
{
|
{
|
||||||
@@ -78,6 +106,9 @@ main (gint argc, gchar *argv[])
|
|||||||
FBD_UMOCKDEV_TEST_ADD ("/feedbackd/fbd/dev/led/multicolor",
|
FBD_UMOCKDEV_TEST_ADD ("/feedbackd/fbd/dev/led/multicolor",
|
||||||
test_fbd_dev_led_multicolor,
|
test_fbd_dev_led_multicolor,
|
||||||
"led-multicolor");
|
"led-multicolor");
|
||||||
|
FBD_UMOCKDEV_TEST_ADD ("/feedbackd/fbd/dev/led/qcom/simple",
|
||||||
|
test_fbd_dev_led_qcom_simple,
|
||||||
|
"led-qcom-simple");
|
||||||
|
|
||||||
return g_test_run();
|
return g_test_run();
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user