[PATCH 05/11] Revert "HID: playstation: add microphone mute support for DualSense."

From: Benjamin Tissoires
Date: Wed Feb 17 2021 - 12:38:15 EST


From: Roderick Colenbrander <roderick.colenbrander@xxxxxxxx>

This reverts commit d5f7af85a537 ("HID: playstation: add microphone
mute support for DualSense.")

There is currently an ongoing discussion on linux-leds LKML,
and so to give us more room, we need to revert those related
patches from linux-next.

This is not a big deal, they are still not pushed to Linus.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@xxxxxxxx>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
drivers/hid/Kconfig | 2 -
drivers/hid/hid-playstation.c | 99 -----------------------------------
2 files changed, 101 deletions(-)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index aee51d776b4f..e7f17e78ff14 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -857,8 +857,6 @@ config HID_PLAYSTATION
tristate "PlayStation HID Driver"
depends on HID
select CRC32
- select NEW_LEDS
- select LEDS_CLASS
select LEDS_CLASS_MULTICOLOR
select POWER_SUPPLY
help
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
index c436ac8f7a6f..97c1118ba78f 100644
--- a/drivers/hid/hid-playstation.c
+++ b/drivers/hid/hid-playstation.c
@@ -10,7 +10,6 @@
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/input/mt.h>
-#include <linux/leds.h>
#include <linux/led-class-multicolor.h>
#include <linux/module.h>

@@ -48,12 +47,6 @@ struct ps_calibration_data {
int sens_denom;
};

-struct ps_led_info {
- const char *name;
- enum led_brightness (*brightness_get)(struct led_classdev *cdev);
- void (*brightness_set)(struct led_classdev *cdev, enum led_brightness);
-};
-
/* Seed values for DualShock4 / DualSense CRC32 for different report types. */
#define PS_INPUT_CRC32_SEED 0xA1
#define PS_OUTPUT_CRC32_SEED 0xA2
@@ -89,7 +82,6 @@ struct ps_led_info {
#define DS_BUTTONS1_R3 BIT(7)
#define DS_BUTTONS2_PS_HOME BIT(0)
#define DS_BUTTONS2_TOUCHPAD BIT(1)
-#define DS_BUTTONS2_MIC_MUTE BIT(2)

/* Status field of DualSense input report. */
#define DS_STATUS_BATTERY_CAPACITY GENMASK(3, 0)
@@ -108,12 +100,9 @@ struct ps_led_info {
/* Flags for DualSense output report. */
#define DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION BIT(0)
#define DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT BIT(1)
-#define DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE BIT(0)
-#define DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE BIT(1)
#define DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE BIT(2)
#define DS_OUTPUT_VALID_FLAG1_RELEASE_LEDS BIT(3)
#define DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE BIT(1)
-#define DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE BIT(4)
#define DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT BIT(1)

/* DualSense hardware limits */
@@ -151,12 +140,6 @@ struct dualsense {
uint8_t lightbar_green;
uint8_t lightbar_blue;

- /* Microphone */
- bool update_mic_mute;
- bool mic_muted;
- bool last_btn_mic_state;
- struct led_classdev mute_led;
-
struct work_struct output_worker;
void *output_report_dmabuf;
uint8_t output_seq; /* Sequence number for output report. */
@@ -502,32 +485,6 @@ static int ps_get_report(struct hid_device *hdev, uint8_t report_id, uint8_t *bu
return 0;
}

-static int ps_led_register(struct ps_device *ps_dev, struct led_classdev *led,
- const struct ps_led_info *led_info)
-{
- int ret;
-
- led->name = devm_kasprintf(&ps_dev->hdev->dev, GFP_KERNEL,
- "playstation::%pMR::%s", ps_dev->mac_address, led_info->name);
-
- if (!led->name)
- return -ENOMEM;
-
- led->brightness = 0;
- led->max_brightness = 1;
- led->flags = LED_CORE_SUSPENDRESUME;
- led->brightness_get = led_info->brightness_get;
- led->brightness_set = led_info->brightness_set;
-
- ret = devm_led_classdev_register(&ps_dev->hdev->dev, led);
- if (ret) {
- hid_err(ps_dev->hdev, "Failed to register LED %s: %d\n", led_info->name, ret);
- return ret;
- }
-
- return 0;
-}
-
/* Register a DualSense/DualShock4 RGB lightbar represented by a multicolor LED. */
static int ps_lightbar_register(struct ps_device *ps_dev, struct led_classdev_mc *lightbar_mc_dev,
int (*brightness_set)(struct led_classdev *, enum led_brightness))
@@ -765,19 +722,6 @@ static int dualsense_lightbar_set_brightness(struct led_classdev *cdev,
return 0;
}

-static enum led_brightness dualsense_mute_led_get_brightness(struct led_classdev *led)
-{
- struct dualsense *ds = container_of(led, struct dualsense, mute_led);
-
- return ds->mic_muted;
-}
-
-/* The mute LED is treated as read-only. This set call prevents ENOTSUP errors e.g. on unload. */
-static void dualsense_mute_led_set_brightness(struct led_classdev *led, enum led_brightness value)
-{
-
-}
-
static void dualsense_init_output_report(struct dualsense *ds, struct dualsense_output_report *rp,
void *buf)
{
@@ -870,23 +814,6 @@ static void dualsense_output_worker(struct work_struct *work)
ds->update_lightbar = false;
}

- if (ds->update_mic_mute) {
- common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE;
- common->mute_button_led = ds->mic_muted;
-
- if (ds->mic_muted) {
- /* Disable microphone */
- common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE;
- common->power_save_control |= DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE;
- } else {
- /* Enable microphone */
- common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE;
- common->power_save_control &= ~DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE;
- }
-
- ds->update_mic_mute = false;
- }
-
spin_unlock_irqrestore(&ds->base.lock, flags);

dualsense_send_output_report(ds, &report);
@@ -901,7 +828,6 @@ static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *r
uint8_t battery_data, battery_capacity, charging_status, value;
int battery_status;
uint32_t sensor_timestamp;
- bool btn_mic_state;
unsigned long flags;
int i;

@@ -957,23 +883,6 @@ static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *r
input_report_key(ds->gamepad, BTN_MODE, ds_report->buttons[2] & DS_BUTTONS2_PS_HOME);
input_sync(ds->gamepad);

- /*
- * The DualSense has an internal microphone, which can be muted through a mute button
- * on the device. The driver is expected to read the button state and program the device
- * to mute/unmute audio at the hardware level.
- */
- btn_mic_state = !!(ds_report->buttons[2] & DS_BUTTONS2_MIC_MUTE);
- if (btn_mic_state && !ds->last_btn_mic_state) {
- spin_lock_irqsave(&ps_dev->lock, flags);
- ds->update_mic_mute = true;
- ds->mic_muted = !ds->mic_muted; /* toggle */
- spin_unlock_irqrestore(&ps_dev->lock, flags);
-
- /* Schedule updating of microphone state at hardware level. */
- schedule_work(&ds->output_worker);
- }
- ds->last_btn_mic_state = btn_mic_state;
-
/* Parse and calibrate gyroscope data. */
for (i = 0; i < ARRAY_SIZE(ds_report->gyro); i++) {
int raw_data = (short)le16_to_cpu(ds_report->gyro[i]);
@@ -1121,10 +1030,6 @@ static struct ps_device *dualsense_create(struct hid_device *hdev)
uint8_t max_output_report_size;
int ret;

- static const struct ps_led_info mute_led_info = {
- "micmute", dualsense_mute_led_get_brightness, dualsense_mute_led_set_brightness
- };
-
ds = devm_kzalloc(&hdev->dev, sizeof(*ds), GFP_KERNEL);
if (!ds)
return ERR_PTR(-ENOMEM);
@@ -1202,10 +1107,6 @@ static struct ps_device *dualsense_create(struct hid_device *hdev)
if (ret)
goto err;

- ret = ps_led_register(ps_dev, &ds->mute_led, &mute_led_info);
- if (ret)
- goto err;
-
return &ds->base;

err:
--
2.29.2