From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/input/misc/iqs269a.c | 327 +++++++++++++++++++++---------------------------------
1 files changed, 128 insertions(+), 199 deletions(-)
diff --git a/kernel/drivers/input/misc/iqs269a.c b/kernel/drivers/input/misc/iqs269a.c
index a348247..8b30c91 100644
--- a/kernel/drivers/input/misc/iqs269a.c
+++ b/kernel/drivers/input/misc/iqs269a.c
@@ -9,6 +9,7 @@
* axial sliders presented by the device.
*/
+#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
@@ -96,8 +97,6 @@
#define IQS269_MISC_B_TRACKING_UI_ENABLE BIT(4)
#define IQS269_MISC_B_FILT_STR_SLIDER GENMASK(1, 0)
-#define IQS269_CHx_SETTINGS 0x8C
-
#define IQS269_CHx_ENG_A_MEAS_CAP_SIZE BIT(15)
#define IQS269_CHx_ENG_A_RX_GND_INACTIVE BIT(13)
#define IQS269_CHx_ENG_A_LOCAL_CAP_SIZE BIT(12)
@@ -146,14 +145,7 @@
#define IQS269_NUM_CH 8
#define IQS269_NUM_SL 2
-#define IQS269_ATI_POLL_SLEEP_US (iqs269->delay_mult * 10000)
-#define IQS269_ATI_POLL_TIMEOUT_US (iqs269->delay_mult * 500000)
-#define IQS269_ATI_STABLE_DELAY_MS (iqs269->delay_mult * 150)
-
-#define IQS269_PWR_MODE_POLL_SLEEP_US IQS269_ATI_POLL_SLEEP_US
-#define IQS269_PWR_MODE_POLL_TIMEOUT_US IQS269_ATI_POLL_TIMEOUT_US
-
-#define iqs269_irq_wait() usleep_range(100, 150)
+#define iqs269_irq_wait() usleep_range(200, 250)
enum iqs269_local_cap_size {
IQS269_LOCAL_CAP_SIZE_0,
@@ -245,6 +237,18 @@
u8 padding;
} __packed;
+struct iqs269_ch_reg {
+ u8 rx_enable;
+ u8 tx_enable;
+ __be16 engine_a;
+ __be16 engine_b;
+ __be16 ati_comp;
+ u8 thresh[3];
+ u8 hyst;
+ u8 assoc_select;
+ u8 assoc_weight;
+} __packed;
+
struct iqs269_sys_reg {
__be16 general;
u8 active;
@@ -266,18 +270,7 @@
u8 timeout_swipe;
u8 thresh_swipe;
u8 redo_ati;
-} __packed;
-
-struct iqs269_ch_reg {
- u8 rx_enable;
- u8 tx_enable;
- __be16 engine_a;
- __be16 engine_b;
- __be16 ati_comp;
- u8 thresh[3];
- u8 hyst;
- u8 assoc_select;
- u8 assoc_weight;
+ struct iqs269_ch_reg ch_reg[IQS269_NUM_CH];
} __packed;
struct iqs269_flags {
@@ -292,13 +285,11 @@
struct regmap *regmap;
struct mutex lock;
struct iqs269_switch_desc switches[ARRAY_SIZE(iqs269_events)];
- struct iqs269_ch_reg ch_reg[IQS269_NUM_CH];
struct iqs269_sys_reg sys_reg;
+ struct completion ati_done;
struct input_dev *keypad;
struct input_dev *slider[IQS269_NUM_SL];
unsigned int keycode[ARRAY_SIZE(iqs269_events) * IQS269_NUM_CH];
- unsigned int suspend_mode;
- unsigned int delay_mult;
unsigned int ch_num;
bool hall_enable;
bool ati_current;
@@ -307,6 +298,7 @@
static int iqs269_ati_mode_set(struct iqs269_private *iqs269,
unsigned int ch_num, unsigned int mode)
{
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
u16 engine_a;
if (ch_num >= IQS269_NUM_CH)
@@ -317,12 +309,12 @@
mutex_lock(&iqs269->lock);
- engine_a = be16_to_cpu(iqs269->ch_reg[ch_num].engine_a);
+ engine_a = be16_to_cpu(ch_reg[ch_num].engine_a);
engine_a &= ~IQS269_CHx_ENG_A_ATI_MODE_MASK;
engine_a |= (mode << IQS269_CHx_ENG_A_ATI_MODE_SHIFT);
- iqs269->ch_reg[ch_num].engine_a = cpu_to_be16(engine_a);
+ ch_reg[ch_num].engine_a = cpu_to_be16(engine_a);
iqs269->ati_current = false;
mutex_unlock(&iqs269->lock);
@@ -333,13 +325,14 @@
static int iqs269_ati_mode_get(struct iqs269_private *iqs269,
unsigned int ch_num, unsigned int *mode)
{
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
u16 engine_a;
if (ch_num >= IQS269_NUM_CH)
return -EINVAL;
mutex_lock(&iqs269->lock);
- engine_a = be16_to_cpu(iqs269->ch_reg[ch_num].engine_a);
+ engine_a = be16_to_cpu(ch_reg[ch_num].engine_a);
mutex_unlock(&iqs269->lock);
engine_a &= IQS269_CHx_ENG_A_ATI_MODE_MASK;
@@ -351,6 +344,7 @@
static int iqs269_ati_base_set(struct iqs269_private *iqs269,
unsigned int ch_num, unsigned int base)
{
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
u16 engine_b;
if (ch_num >= IQS269_NUM_CH)
@@ -379,12 +373,12 @@
mutex_lock(&iqs269->lock);
- engine_b = be16_to_cpu(iqs269->ch_reg[ch_num].engine_b);
+ engine_b = be16_to_cpu(ch_reg[ch_num].engine_b);
engine_b &= ~IQS269_CHx_ENG_B_ATI_BASE_MASK;
engine_b |= base;
- iqs269->ch_reg[ch_num].engine_b = cpu_to_be16(engine_b);
+ ch_reg[ch_num].engine_b = cpu_to_be16(engine_b);
iqs269->ati_current = false;
mutex_unlock(&iqs269->lock);
@@ -395,13 +389,14 @@
static int iqs269_ati_base_get(struct iqs269_private *iqs269,
unsigned int ch_num, unsigned int *base)
{
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
u16 engine_b;
if (ch_num >= IQS269_NUM_CH)
return -EINVAL;
mutex_lock(&iqs269->lock);
- engine_b = be16_to_cpu(iqs269->ch_reg[ch_num].engine_b);
+ engine_b = be16_to_cpu(ch_reg[ch_num].engine_b);
mutex_unlock(&iqs269->lock);
switch (engine_b & IQS269_CHx_ENG_B_ATI_BASE_MASK) {
@@ -429,6 +424,7 @@
static int iqs269_ati_target_set(struct iqs269_private *iqs269,
unsigned int ch_num, unsigned int target)
{
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
u16 engine_b;
if (ch_num >= IQS269_NUM_CH)
@@ -439,12 +435,12 @@
mutex_lock(&iqs269->lock);
- engine_b = be16_to_cpu(iqs269->ch_reg[ch_num].engine_b);
+ engine_b = be16_to_cpu(ch_reg[ch_num].engine_b);
engine_b &= ~IQS269_CHx_ENG_B_ATI_TARGET_MASK;
engine_b |= target / 32;
- iqs269->ch_reg[ch_num].engine_b = cpu_to_be16(engine_b);
+ ch_reg[ch_num].engine_b = cpu_to_be16(engine_b);
iqs269->ati_current = false;
mutex_unlock(&iqs269->lock);
@@ -455,13 +451,14 @@
static int iqs269_ati_target_get(struct iqs269_private *iqs269,
unsigned int ch_num, unsigned int *target)
{
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
u16 engine_b;
if (ch_num >= IQS269_NUM_CH)
return -EINVAL;
mutex_lock(&iqs269->lock);
- engine_b = be16_to_cpu(iqs269->ch_reg[ch_num].engine_b);
+ engine_b = be16_to_cpu(ch_reg[ch_num].engine_b);
mutex_unlock(&iqs269->lock);
*target = (engine_b & IQS269_CHx_ENG_B_ATI_TARGET_MASK) * 32;
@@ -531,13 +528,7 @@
if (fwnode_property_present(ch_node, "azoteq,slider1-select"))
iqs269->sys_reg.slider_select[1] |= BIT(reg);
- ch_reg = &iqs269->ch_reg[reg];
-
- error = regmap_raw_read(iqs269->regmap,
- IQS269_CHx_SETTINGS + reg * sizeof(*ch_reg) / 2,
- ch_reg, sizeof(*ch_reg));
- if (error)
- return error;
+ ch_reg = &iqs269->sys_reg.ch_reg[reg];
error = iqs269_parse_mask(ch_node, "azoteq,rx-enable",
&ch_reg->rx_enable);
@@ -694,6 +685,7 @@
dev_err(&client->dev,
"Invalid channel %u threshold: %u\n",
reg, val);
+ fwnode_handle_put(ev_node);
return -EINVAL;
}
@@ -707,6 +699,7 @@
dev_err(&client->dev,
"Invalid channel %u hysteresis: %u\n",
reg, val);
+ fwnode_handle_put(ev_node);
return -EINVAL;
}
@@ -721,8 +714,16 @@
}
}
- if (fwnode_property_read_u32(ev_node, "linux,code", &val))
+ error = fwnode_property_read_u32(ev_node, "linux,code", &val);
+ fwnode_handle_put(ev_node);
+ if (error == -EINVAL) {
continue;
+ } else if (error) {
+ dev_err(&client->dev,
+ "Failed to read channel %u code: %d\n", reg,
+ error);
+ return error;
+ }
switch (reg) {
case IQS269_CHx_HALL_ACTIVE:
@@ -758,17 +759,6 @@
iqs269->hall_enable = device_property_present(&client->dev,
"azoteq,hall-enable");
-
- if (!device_property_read_u32(&client->dev, "azoteq,suspend-mode",
- &val)) {
- if (val > IQS269_SYS_SETTINGS_PWR_MODE_MAX) {
- dev_err(&client->dev, "Invalid suspend mode: %u\n",
- val);
- return -EINVAL;
- }
-
- iqs269->suspend_mode = val;
- }
error = regmap_raw_read(iqs269->regmap, IQS269_SYS_SETTINGS, sys_reg,
sizeof(*sys_reg));
@@ -980,13 +970,8 @@
general = be16_to_cpu(sys_reg->general);
- if (device_property_present(&client->dev, "azoteq,clk-div")) {
+ if (device_property_present(&client->dev, "azoteq,clk-div"))
general |= IQS269_SYS_SETTINGS_CLK_DIV;
- iqs269->delay_mult = 4;
- } else {
- general &= ~IQS269_SYS_SETTINGS_CLK_DIV;
- iqs269->delay_mult = 1;
- }
/*
* Configure the device to automatically switch between normal and low-
@@ -996,6 +981,17 @@
general &= ~IQS269_SYS_SETTINGS_ULP_AUTO;
general &= ~IQS269_SYS_SETTINGS_DIS_AUTO;
general &= ~IQS269_SYS_SETTINGS_PWR_MODE_MASK;
+
+ if (!device_property_read_u32(&client->dev, "azoteq,suspend-mode",
+ &val)) {
+ if (val > IQS269_SYS_SETTINGS_PWR_MODE_MAX) {
+ dev_err(&client->dev, "Invalid suspend mode: %u\n",
+ val);
+ return -EINVAL;
+ }
+
+ general |= (val << IQS269_SYS_SETTINGS_PWR_MODE_SHIFT);
+ }
if (!device_property_read_u32(&client->dev, "azoteq,ulp-update",
&val)) {
@@ -1032,10 +1028,7 @@
static int iqs269_dev_init(struct iqs269_private *iqs269)
{
- struct iqs269_sys_reg *sys_reg = &iqs269->sys_reg;
- struct iqs269_ch_reg *ch_reg;
- unsigned int val;
- int error, i;
+ int error;
mutex_lock(&iqs269->lock);
@@ -1045,38 +1038,17 @@
if (error)
goto err_mutex;
- for (i = 0; i < IQS269_NUM_CH; i++) {
- if (!(sys_reg->active & BIT(i)))
- continue;
-
- ch_reg = &iqs269->ch_reg[i];
-
- error = regmap_raw_write(iqs269->regmap,
- IQS269_CHx_SETTINGS + i *
- sizeof(*ch_reg) / 2, ch_reg,
- sizeof(*ch_reg));
- if (error)
- goto err_mutex;
- }
+ error = regmap_raw_write(iqs269->regmap, IQS269_SYS_SETTINGS,
+ &iqs269->sys_reg, sizeof(iqs269->sys_reg));
+ if (error)
+ goto err_mutex;
/*
- * The REDO-ATI and ATI channel selection fields must be written in the
- * same block write, so every field between registers 0x80 through 0x8B
- * (inclusive) must be written as well.
+ * The following delay gives the device time to deassert its RDY output
+ * so as to prevent an interrupt from being serviced prematurely.
*/
- error = regmap_raw_write(iqs269->regmap, IQS269_SYS_SETTINGS, sys_reg,
- sizeof(*sys_reg));
- if (error)
- goto err_mutex;
+ usleep_range(2000, 2100);
- error = regmap_read_poll_timeout(iqs269->regmap, IQS269_SYS_FLAGS, val,
- !(val & IQS269_SYS_FLAGS_IN_ATI),
- IQS269_ATI_POLL_SLEEP_US,
- IQS269_ATI_POLL_TIMEOUT_US);
- if (error)
- goto err_mutex;
-
- msleep(IQS269_ATI_STABLE_DELAY_MS);
iqs269->ati_current = true;
err_mutex:
@@ -1088,10 +1060,8 @@
static int iqs269_input_init(struct iqs269_private *iqs269)
{
struct i2c_client *client = iqs269->client;
- struct iqs269_flags flags;
unsigned int sw_code, keycode;
int error, i, j;
- u8 dir_mask, state;
iqs269->keypad = devm_input_allocate_device(&client->dev);
if (!iqs269->keypad)
@@ -1104,23 +1074,7 @@
iqs269->keypad->name = "iqs269a_keypad";
iqs269->keypad->id.bustype = BUS_I2C;
- if (iqs269->hall_enable) {
- error = regmap_raw_read(iqs269->regmap, IQS269_SYS_FLAGS,
- &flags, sizeof(flags));
- if (error) {
- dev_err(&client->dev,
- "Failed to read initial status: %d\n", error);
- return error;
- }
- }
-
for (i = 0; i < ARRAY_SIZE(iqs269_events); i++) {
- dir_mask = flags.states[IQS269_ST_OFFS_DIR];
- if (!iqs269_events[i].dir_up)
- dir_mask = ~dir_mask;
-
- state = flags.states[iqs269_events[i].st_offs] & dir_mask;
-
sw_code = iqs269->switches[i].code;
for (j = 0; j < IQS269_NUM_CH; j++) {
@@ -1133,13 +1087,9 @@
switch (j) {
case IQS269_CHx_HALL_ACTIVE:
if (iqs269->hall_enable &&
- iqs269->switches[i].enabled) {
+ iqs269->switches[i].enabled)
input_set_capability(iqs269->keypad,
EV_SW, sw_code);
- input_report_switch(iqs269->keypad,
- sw_code,
- state & BIT(j));
- }
fallthrough;
case IQS269_CHx_HALL_INACTIVE:
@@ -1153,14 +1103,6 @@
EV_KEY, keycode);
}
}
- }
-
- input_sync(iqs269->keypad);
-
- error = input_register_device(iqs269->keypad);
- if (error) {
- dev_err(&client->dev, "Failed to register keypad: %d\n", error);
- return error;
}
for (i = 0; i < IQS269_NUM_SL; i++) {
@@ -1221,6 +1163,9 @@
return error;
}
+
+ if (be16_to_cpu(flags.system) & IQS269_SYS_FLAGS_IN_ATI)
+ return 0;
error = regmap_raw_read(iqs269->regmap, IQS269_SLIDER_X, slider_x,
sizeof(slider_x));
@@ -1284,6 +1229,12 @@
input_sync(iqs269->keypad);
+ /*
+ * The following completion signals that ATI has finished, any initial
+ * switch states have been reported and the keypad can be registered.
+ */
+ complete_all(&iqs269->ati_done);
+
return 0;
}
@@ -1315,6 +1266,9 @@
if (!iqs269->ati_current || iqs269->hall_enable)
return -EPERM;
+ if (!completion_done(&iqs269->ati_done))
+ return -EBUSY;
+
/*
* Unsolicited I2C communication prompts the device to assert its RDY
* pin, so disable the interrupt line until the operation is finished
@@ -1339,6 +1293,7 @@
struct device_attribute *attr, char *buf)
{
struct iqs269_private *iqs269 = dev_get_drvdata(dev);
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
struct i2c_client *client = iqs269->client;
unsigned int val;
int error;
@@ -1353,8 +1308,8 @@
if (error)
return error;
- switch (iqs269->ch_reg[IQS269_CHx_HALL_ACTIVE].rx_enable &
- iqs269->ch_reg[IQS269_CHx_HALL_INACTIVE].rx_enable) {
+ switch (ch_reg[IQS269_CHx_HALL_ACTIVE].rx_enable &
+ ch_reg[IQS269_CHx_HALL_INACTIVE].rx_enable) {
case IQS269_HALL_PAD_R:
val &= IQS269_CAL_DATA_A_HALL_BIN_R_MASK;
val >>= IQS269_CAL_DATA_A_HALL_BIN_R_SHIFT;
@@ -1434,9 +1389,10 @@
struct device_attribute *attr, char *buf)
{
struct iqs269_private *iqs269 = dev_get_drvdata(dev);
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
return scnprintf(buf, PAGE_SIZE, "%u\n",
- iqs269->ch_reg[iqs269->ch_num].rx_enable);
+ ch_reg[iqs269->ch_num].rx_enable);
}
static ssize_t rx_enable_store(struct device *dev,
@@ -1444,6 +1400,7 @@
size_t count)
{
struct iqs269_private *iqs269 = dev_get_drvdata(dev);
+ struct iqs269_ch_reg *ch_reg = iqs269->sys_reg.ch_reg;
unsigned int val;
int error;
@@ -1456,7 +1413,7 @@
mutex_lock(&iqs269->lock);
- iqs269->ch_reg[iqs269->ch_num].rx_enable = val;
+ ch_reg[iqs269->ch_num].rx_enable = val;
iqs269->ati_current = false;
mutex_unlock(&iqs269->lock);
@@ -1568,7 +1525,9 @@
{
struct iqs269_private *iqs269 = dev_get_drvdata(dev);
- return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->ati_current);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ iqs269->ati_current &&
+ completion_done(&iqs269->ati_done));
}
static ssize_t ati_trigger_store(struct device *dev,
@@ -1588,6 +1547,7 @@
return count;
disable_irq(client->irq);
+ reinit_completion(&iqs269->ati_done);
error = iqs269_dev_init(iqs269);
@@ -1596,6 +1556,10 @@
if (error)
return error;
+
+ if (!wait_for_completion_timeout(&iqs269->ati_done,
+ msecs_to_jiffies(2000)))
+ return -ETIMEDOUT;
return count;
}
@@ -1655,6 +1619,7 @@
}
mutex_init(&iqs269->lock);
+ init_completion(&iqs269->ati_done);
error = regmap_raw_read(iqs269->regmap, IQS269_VER_INFO, &ver_info,
sizeof(ver_info));
@@ -1690,6 +1655,22 @@
return error;
}
+ if (!wait_for_completion_timeout(&iqs269->ati_done,
+ msecs_to_jiffies(2000))) {
+ dev_err(&client->dev, "Failed to complete ATI\n");
+ return -ETIMEDOUT;
+ }
+
+ /*
+ * The keypad may include one or more switches and is not registered
+ * until ATI is complete and the initial switch states are read.
+ */
+ error = input_register_device(iqs269->keypad);
+ if (error) {
+ dev_err(&client->dev, "Failed to register keypad: %d\n", error);
+ return error;
+ }
+
error = devm_device_add_group(&client->dev, &iqs269_attr_group);
if (error)
dev_err(&client->dev, "Failed to add attributes: %d\n", error);
@@ -1697,59 +1678,30 @@
return error;
}
+static u16 iqs269_general_get(struct iqs269_private *iqs269)
+{
+ u16 general = be16_to_cpu(iqs269->sys_reg.general);
+
+ general &= ~IQS269_SYS_SETTINGS_REDO_ATI;
+ general &= ~IQS269_SYS_SETTINGS_ACK_RESET;
+
+ return general | IQS269_SYS_SETTINGS_DIS_AUTO;
+}
+
static int __maybe_unused iqs269_suspend(struct device *dev)
{
struct iqs269_private *iqs269 = dev_get_drvdata(dev);
struct i2c_client *client = iqs269->client;
- unsigned int val;
int error;
+ u16 general = iqs269_general_get(iqs269);
- if (!iqs269->suspend_mode)
+ if (!(general & IQS269_SYS_SETTINGS_PWR_MODE_MASK))
return 0;
disable_irq(client->irq);
- /*
- * Automatic power mode switching must be disabled before the device is
- * forced into any particular power mode. In this case, the device will
- * transition into normal-power mode.
- */
- error = regmap_update_bits(iqs269->regmap, IQS269_SYS_SETTINGS,
- IQS269_SYS_SETTINGS_DIS_AUTO, ~0);
- if (error)
- goto err_irq;
+ error = regmap_write(iqs269->regmap, IQS269_SYS_SETTINGS, general);
- /*
- * The following check ensures the device has completed its transition
- * into normal-power mode before a manual mode switch is performed.
- */
- error = regmap_read_poll_timeout(iqs269->regmap, IQS269_SYS_FLAGS, val,
- !(val & IQS269_SYS_FLAGS_PWR_MODE_MASK),
- IQS269_PWR_MODE_POLL_SLEEP_US,
- IQS269_PWR_MODE_POLL_TIMEOUT_US);
- if (error)
- goto err_irq;
-
- error = regmap_update_bits(iqs269->regmap, IQS269_SYS_SETTINGS,
- IQS269_SYS_SETTINGS_PWR_MODE_MASK,
- iqs269->suspend_mode <<
- IQS269_SYS_SETTINGS_PWR_MODE_SHIFT);
- if (error)
- goto err_irq;
-
- /*
- * This last check ensures the device has completed its transition into
- * the desired power mode to prevent any spurious interrupts from being
- * triggered after iqs269_suspend has already returned.
- */
- error = regmap_read_poll_timeout(iqs269->regmap, IQS269_SYS_FLAGS, val,
- (val & IQS269_SYS_FLAGS_PWR_MODE_MASK)
- == (iqs269->suspend_mode <<
- IQS269_SYS_FLAGS_PWR_MODE_SHIFT),
- IQS269_PWR_MODE_POLL_SLEEP_US,
- IQS269_PWR_MODE_POLL_TIMEOUT_US);
-
-err_irq:
iqs269_irq_wait();
enable_irq(client->irq);
@@ -1760,43 +1712,20 @@
{
struct iqs269_private *iqs269 = dev_get_drvdata(dev);
struct i2c_client *client = iqs269->client;
- unsigned int val;
int error;
+ u16 general = iqs269_general_get(iqs269);
- if (!iqs269->suspend_mode)
+ if (!(general & IQS269_SYS_SETTINGS_PWR_MODE_MASK))
return 0;
disable_irq(client->irq);
- error = regmap_update_bits(iqs269->regmap, IQS269_SYS_SETTINGS,
- IQS269_SYS_SETTINGS_PWR_MODE_MASK, 0);
- if (error)
- goto err_irq;
+ error = regmap_write(iqs269->regmap, IQS269_SYS_SETTINGS,
+ general & ~IQS269_SYS_SETTINGS_PWR_MODE_MASK);
+ if (!error)
+ error = regmap_write(iqs269->regmap, IQS269_SYS_SETTINGS,
+ general & ~IQS269_SYS_SETTINGS_DIS_AUTO);
- /*
- * This check ensures the device has returned to normal-power mode
- * before automatic power mode switching is re-enabled.
- */
- error = regmap_read_poll_timeout(iqs269->regmap, IQS269_SYS_FLAGS, val,
- !(val & IQS269_SYS_FLAGS_PWR_MODE_MASK),
- IQS269_PWR_MODE_POLL_SLEEP_US,
- IQS269_PWR_MODE_POLL_TIMEOUT_US);
- if (error)
- goto err_irq;
-
- error = regmap_update_bits(iqs269->regmap, IQS269_SYS_SETTINGS,
- IQS269_SYS_SETTINGS_DIS_AUTO, 0);
- if (error)
- goto err_irq;
-
- /*
- * This step reports any events that may have been "swallowed" as a
- * result of polling PWR_MODE (which automatically acknowledges any
- * pending interrupts).
- */
- error = iqs269_report(iqs269);
-
-err_irq:
iqs269_irq_wait();
enable_irq(client->irq);
--
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