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path: root/drivers/input/keyboard
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-rw-r--r--drivers/input/keyboard/atkbd.c12
-rw-r--r--drivers/input/keyboard/cap11xx.c253
-rw-r--r--drivers/input/keyboard/gpio_keys.c75
-rw-r--r--drivers/input/keyboard/omap-keypad.c19
-rw-r--r--drivers/input/keyboard/omap4-keypad.c15
-rw-r--r--drivers/input/keyboard/qt1050.c2
-rw-r--r--drivers/input/keyboard/tca6416-keypad.c1
7 files changed, 287 insertions, 90 deletions
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 786f00f6b7fd..13ef6284223d 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -791,9 +791,9 @@ static bool atkbd_is_portable_device(void)
* not work. So in this case simply assume a keyboard is connected to avoid
* confusing some laptop keyboards.
*
- * Skipping ATKBD_CMD_GETID ends up using a fake keyboard id. Using a fake id is
- * ok in translated mode, only atkbd_select_set() checks atkbd->id and in
- * translated mode that is a no-op.
+ * Skipping ATKBD_CMD_GETID ends up using a fake keyboard id. Using the standard
+ * 0xab83 id is ok in translated mode, only atkbd_select_set() checks atkbd->id
+ * and in translated mode that is a no-op.
*/
static bool atkbd_skip_getid(struct atkbd *atkbd)
{
@@ -811,6 +811,7 @@ static int atkbd_probe(struct atkbd *atkbd)
{
struct ps2dev *ps2dev = &atkbd->ps2dev;
unsigned char param[2];
+ bool skip_getid;
/*
* Some systems, where the bit-twiddling when testing the io-lines of the
@@ -832,7 +833,8 @@ static int atkbd_probe(struct atkbd *atkbd)
*/
param[0] = param[1] = 0xa5; /* initialize with invalid values */
- if (atkbd_skip_getid(atkbd) || ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
+ skip_getid = atkbd_skip_getid(atkbd);
+ if (skip_getid || ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
/*
* If the get ID command was skipped or failed, we check if we can at least set
@@ -842,7 +844,7 @@ static int atkbd_probe(struct atkbd *atkbd)
param[0] = 0;
if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
return -1;
- atkbd->id = 0xabba;
+ atkbd->id = skip_getid ? 0xab83 : 0xabba;
return 0;
}
diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
index 1b4937dce672..52fba9ee7c1d 100644
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@@ -10,10 +10,11 @@
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/leds.h>
-#include <linux/of_irq.h>
+#include <linux/of.h>
#include <linux/regmap.h>
#include <linux/i2c.h>
#include <linux/gpio/consumer.h>
+#include <linux/bitfield.h>
#define CAP11XX_REG_MAIN_CONTROL 0x00
#define CAP11XX_REG_MAIN_CONTROL_GAIN_SHIFT (6)
@@ -24,6 +25,7 @@
#define CAP11XX_REG_NOISE_FLAG_STATUS 0x0a
#define CAP11XX_REG_SENOR_DELTA(X) (0x10 + (X))
#define CAP11XX_REG_SENSITIVITY_CONTROL 0x1f
+#define CAP11XX_REG_SENSITIVITY_CONTROL_DELTA_SENSE_MASK 0x70
#define CAP11XX_REG_CONFIG 0x20
#define CAP11XX_REG_SENSOR_ENABLE 0x21
#define CAP11XX_REG_SENSOR_CONFIG 0x22
@@ -32,6 +34,7 @@
#define CAP11XX_REG_CALIBRATION 0x26
#define CAP11XX_REG_INT_ENABLE 0x27
#define CAP11XX_REG_REPEAT_RATE 0x28
+#define CAP11XX_REG_SIGNAL_GUARD_ENABLE 0x29
#define CAP11XX_REG_MT_CONFIG 0x2a
#define CAP11XX_REG_MT_PATTERN_CONFIG 0x2b
#define CAP11XX_REG_MT_PATTERN 0x2d
@@ -47,6 +50,8 @@
#define CAP11XX_REG_SENSOR_BASE_CNT(X) (0x50 + (X))
#define CAP11XX_REG_LED_POLARITY 0x73
#define CAP11XX_REG_LED_OUTPUT_CONTROL 0x74
+#define CAP11XX_REG_CALIB_SENSITIVITY_CONFIG 0x80
+#define CAP11XX_REG_CALIB_SENSITIVITY_CONFIG2 0x81
#define CAP11XX_REG_LED_DUTY_CYCLE_1 0x90
#define CAP11XX_REG_LED_DUTY_CYCLE_2 0x91
@@ -78,12 +83,20 @@ struct cap11xx_led {
struct cap11xx_priv {
struct regmap *regmap;
+ struct device *dev;
struct input_dev *idev;
+ const struct cap11xx_hw_model *model;
+ u8 id;
struct cap11xx_led *leds;
int num_leds;
/* config */
+ u8 analog_gain;
+ u8 sensitivity_delta_sense;
+ u8 signal_guard_inputs_mask;
+ u32 thresholds[8];
+ u32 calib_sensitivities[8];
u32 keycodes[];
};
@@ -160,9 +173,6 @@ static bool cap11xx_volatile_reg(struct device *dev, unsigned int reg)
case CAP11XX_REG_SENOR_DELTA(3):
case CAP11XX_REG_SENOR_DELTA(4):
case CAP11XX_REG_SENOR_DELTA(5):
- case CAP11XX_REG_PRODUCT_ID:
- case CAP11XX_REG_MANUFACTURER_ID:
- case CAP11XX_REG_REVISION:
return true;
}
@@ -177,10 +187,179 @@ static const struct regmap_config cap11xx_regmap_config = {
.reg_defaults = cap11xx_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(cap11xx_reg_defaults),
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.volatile_reg = cap11xx_volatile_reg,
};
+static int cap11xx_write_calib_sens_config_1(struct cap11xx_priv *priv)
+{
+ return regmap_write(priv->regmap,
+ CAP11XX_REG_CALIB_SENSITIVITY_CONFIG,
+ (priv->calib_sensitivities[3] << 6) |
+ (priv->calib_sensitivities[2] << 4) |
+ (priv->calib_sensitivities[1] << 2) |
+ priv->calib_sensitivities[0]);
+}
+
+static int cap11xx_write_calib_sens_config_2(struct cap11xx_priv *priv)
+{
+ return regmap_write(priv->regmap,
+ CAP11XX_REG_CALIB_SENSITIVITY_CONFIG2,
+ (priv->calib_sensitivities[7] << 6) |
+ (priv->calib_sensitivities[6] << 4) |
+ (priv->calib_sensitivities[5] << 2) |
+ priv->calib_sensitivities[4]);
+}
+
+static int cap11xx_init_keys(struct cap11xx_priv *priv)
+{
+ struct device_node *node = priv->dev->of_node;
+ struct device *dev = priv->dev;
+ int i, error;
+ u32 u32_val;
+
+ if (!node) {
+ dev_err(dev, "Corresponding DT entry is not available\n");
+ return -ENODEV;
+ }
+
+ if (!of_property_read_u32(node, "microchip,sensor-gain", &u32_val)) {
+ if (priv->model->no_gain) {
+ dev_warn(dev,
+ "This model doesn't support 'sensor-gain'\n");
+ } else if (is_power_of_2(u32_val) && u32_val <= 8) {
+ priv->analog_gain = (u8)ilog2(u32_val);
+
+ error = regmap_update_bits(priv->regmap,
+ CAP11XX_REG_MAIN_CONTROL,
+ CAP11XX_REG_MAIN_CONTROL_GAIN_MASK,
+ priv->analog_gain << CAP11XX_REG_MAIN_CONTROL_GAIN_SHIFT);
+ if (error)
+ return error;
+ } else {
+ dev_err(dev, "Invalid sensor-gain value %u\n", u32_val);
+ return -EINVAL;
+ }
+ }
+
+ if (of_property_read_bool(node, "microchip,irq-active-high")) {
+ if (priv->id == CAP1106 ||
+ priv->id == CAP1126 ||
+ priv->id == CAP1188) {
+ error = regmap_update_bits(priv->regmap,
+ CAP11XX_REG_CONFIG2,
+ CAP11XX_REG_CONFIG2_ALT_POL,
+ 0);
+ if (error)
+ return error;
+ } else {
+ dev_warn(dev,
+ "This model doesn't support 'irq-active-high'\n");
+ }
+ }
+
+ if (!of_property_read_u32(node, "microchip,sensitivity-delta-sense", &u32_val)) {
+ if (!is_power_of_2(u32_val) || u32_val > 128) {
+ dev_err(dev, "Invalid sensitivity-delta-sense value %u\n", u32_val);
+ return -EINVAL;
+ }
+
+ priv->sensitivity_delta_sense = (u8)ilog2(u32_val);
+ u32_val = ~(FIELD_PREP(CAP11XX_REG_SENSITIVITY_CONTROL_DELTA_SENSE_MASK,
+ priv->sensitivity_delta_sense));
+
+ error = regmap_update_bits(priv->regmap,
+ CAP11XX_REG_SENSITIVITY_CONTROL,
+ CAP11XX_REG_SENSITIVITY_CONTROL_DELTA_SENSE_MASK,
+ u32_val);
+ if (error)
+ return error;
+ }
+
+ if (!of_property_read_u32_array(node, "microchip,input-threshold",
+ priv->thresholds, priv->model->num_channels)) {
+ for (i = 0; i < priv->model->num_channels; i++) {
+ if (priv->thresholds[i] > 127) {
+ dev_err(dev, "Invalid input-threshold value %u\n",
+ priv->thresholds[i]);
+ return -EINVAL;
+ }
+
+ error = regmap_write(priv->regmap,
+ CAP11XX_REG_SENSOR_THRESH(i),
+ priv->thresholds[i]);
+ if (error)
+ return error;
+ }
+ }
+
+ if (!of_property_read_u32_array(node, "microchip,calib-sensitivity",
+ priv->calib_sensitivities,
+ priv->model->num_channels)) {
+ if (priv->id == CAP1293 || priv->id == CAP1298) {
+ for (i = 0; i < priv->model->num_channels; i++) {
+ if (!is_power_of_2(priv->calib_sensitivities[i]) ||
+ priv->calib_sensitivities[i] > 4) {
+ dev_err(dev, "Invalid calib-sensitivity value %u\n",
+ priv->calib_sensitivities[i]);
+ return -EINVAL;
+ }
+ priv->calib_sensitivities[i] = ilog2(priv->calib_sensitivities[i]);
+ }
+
+ error = cap11xx_write_calib_sens_config_1(priv);
+ if (error)
+ return error;
+
+ if (priv->id == CAP1298) {
+ error = cap11xx_write_calib_sens_config_2(priv);
+ if (error)
+ return error;
+ }
+ } else {
+ dev_warn(dev,
+ "This model doesn't support 'calib-sensitivity'\n");
+ }
+ }
+
+ for (i = 0; i < priv->model->num_channels; i++) {
+ if (!of_property_read_u32_index(node, "microchip,signal-guard",
+ i, &u32_val)) {
+ if (u32_val > 1)
+ return -EINVAL;
+ if (u32_val)
+ priv->signal_guard_inputs_mask |= 0x01 << i;
+ }
+ }
+
+ if (priv->signal_guard_inputs_mask) {
+ if (priv->id == CAP1293 || priv->id == CAP1298) {
+ error = regmap_write(priv->regmap,
+ CAP11XX_REG_SIGNAL_GUARD_ENABLE,
+ priv->signal_guard_inputs_mask);
+ if (error)
+ return error;
+ } else {
+ dev_warn(dev,
+ "This model doesn't support 'signal-guard'\n");
+ }
+ }
+
+ /* Provide some useful defaults */
+ for (i = 0; i < priv->model->num_channels; i++)
+ priv->keycodes[i] = KEY_A + i;
+
+ of_property_read_u32_array(node, "linux,keycodes",
+ priv->keycodes, priv->model->num_channels);
+
+ /* Disable autorepeat. The Linux input system has its own handling. */
+ error = regmap_write(priv->regmap, CAP11XX_REG_REPEAT_RATE, 0);
+ if (error)
+ return error;
+
+ return 0;
+}
+
static irqreturn_t cap11xx_thread_func(int irq_num, void *data)
{
struct cap11xx_priv *priv = data;
@@ -332,11 +511,9 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
const struct i2c_device_id *id = i2c_client_get_device_id(i2c_client);
struct device *dev = &i2c_client->dev;
struct cap11xx_priv *priv;
- struct device_node *node;
const struct cap11xx_hw_model *cap;
- int i, error, irq, gain = 0;
+ int i, error;
unsigned int val, rev;
- u32 gain32;
if (id->driver_data >= ARRAY_SIZE(cap11xx_devices)) {
dev_err(dev, "Invalid device ID %lu\n", id->driver_data);
@@ -355,6 +532,8 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
if (!priv)
return -ENOMEM;
+ priv->dev = dev;
+
priv->regmap = devm_regmap_init_i2c(i2c_client, &cap11xx_regmap_config);
if (IS_ERR(priv->regmap))
return PTR_ERR(priv->regmap);
@@ -384,50 +563,15 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
return error;
dev_info(dev, "CAP11XX detected, model %s, revision 0x%02x\n",
- id->name, rev);
- node = dev->of_node;
-
- if (!of_property_read_u32(node, "microchip,sensor-gain", &gain32)) {
- if (cap->no_gain)
- dev_warn(dev,
- "This version doesn't support sensor gain\n");
- else if (is_power_of_2(gain32) && gain32 <= 8)
- gain = ilog2(gain32);
- else
- dev_err(dev, "Invalid sensor-gain value %d\n", gain32);
- }
+ id->name, rev);
- if (id->driver_data == CAP1106 ||
- id->driver_data == CAP1126 ||
- id->driver_data == CAP1188) {
- if (of_property_read_bool(node, "microchip,irq-active-high")) {
- error = regmap_update_bits(priv->regmap,
- CAP11XX_REG_CONFIG2,
- CAP11XX_REG_CONFIG2_ALT_POL,
- 0);
- if (error)
- return error;
- }
- }
-
- /* Provide some useful defaults */
- for (i = 0; i < cap->num_channels; i++)
- priv->keycodes[i] = KEY_A + i;
-
- of_property_read_u32_array(node, "linux,keycodes",
- priv->keycodes, cap->num_channels);
+ priv->model = cap;
+ priv->id = id->driver_data;
- if (!cap->no_gain) {
- error = regmap_update_bits(priv->regmap,
- CAP11XX_REG_MAIN_CONTROL,
- CAP11XX_REG_MAIN_CONTROL_GAIN_MASK,
- gain << CAP11XX_REG_MAIN_CONTROL_GAIN_SHIFT);
- if (error)
- return error;
- }
+ dev_info(dev, "CAP11XX device detected, model %s, revision 0x%02x\n",
+ id->name, rev);
- /* Disable autorepeat. The Linux input system has its own handling. */
- error = regmap_write(priv->regmap, CAP11XX_REG_REPEAT_RATE, 0);
+ error = cap11xx_init_keys(priv);
if (error)
return error;
@@ -439,7 +583,7 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
priv->idev->id.bustype = BUS_I2C;
priv->idev->evbit[0] = BIT_MASK(EV_KEY);
- if (of_property_read_bool(node, "autorepeat"))
+ if (of_property_read_bool(dev->of_node, "autorepeat"))
__set_bit(EV_REP, priv->idev->evbit);
for (i = 0; i < cap->num_channels; i++)
@@ -474,13 +618,8 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
if (error)
return error;
- irq = irq_of_parse_and_map(node, 0);
- if (!irq) {
- dev_err(dev, "Unable to parse or map IRQ\n");
- return -ENXIO;
- }
-
- error = devm_request_threaded_irq(dev, irq, NULL, cap11xx_thread_func,
+ error = devm_request_threaded_irq(dev, i2c_client->irq,
+ NULL, cap11xx_thread_func,
IRQF_ONESHOT, dev_name(dev), priv);
if (error)
return error;
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 2e7c2c046e67..9f3bcd41cf67 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -45,7 +45,9 @@ struct gpio_button_data {
unsigned int software_debounce; /* in msecs, for GPIO-driven buttons */
unsigned int irq;
+ unsigned int wakeirq;
unsigned int wakeup_trigger_type;
+
spinlock_t lock;
bool disabled;
bool key_pressed;
@@ -511,6 +513,7 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
struct gpio_button_data *bdata = &ddata->data[idx];
irq_handler_t isr;
unsigned long irqflags;
+ const char *wakedesc;
int irq;
int error;
@@ -575,15 +578,23 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
!gpiod_cansleep(bdata->gpiod);
}
+ /*
+ * If an interrupt was specified, use it instead of the gpio
+ * interrupt and use the gpio for reading the state. A separate
+ * interrupt may be used as the main button interrupt for
+ * runtime PM to detect events also in deeper idle states. If a
+ * dedicated wakeirq is used for system suspend only, see below
+ * for bdata->wakeirq setup.
+ */
if (button->irq) {
bdata->irq = button->irq;
} else {
irq = gpiod_to_irq(bdata->gpiod);
if (irq < 0) {
error = irq;
- dev_err(dev,
- "Unable to get irq number for GPIO %d, error %d\n",
- button->gpio, error);
+ dev_err_probe(dev, error,
+ "Unable to get irq number for GPIO %d\n",
+ button->gpio);
return error;
}
bdata->irq = irq;
@@ -672,6 +683,36 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
return error;
}
+ if (!button->wakeirq)
+ return 0;
+
+ /* Use :wakeup suffix like drivers/base/power/wakeirq.c does */
+ wakedesc = devm_kasprintf(dev, GFP_KERNEL, "%s:wakeup", desc);
+ if (!wakedesc)
+ return -ENOMEM;
+
+ bdata->wakeirq = button->wakeirq;
+ irqflags |= IRQF_NO_SUSPEND;
+
+ /*
+ * Wakeirq shares the handler with the main interrupt, it's only
+ * active during system suspend. See gpio_keys_button_enable_wakeup()
+ * and gpio_keys_button_disable_wakeup().
+ */
+ error = devm_request_any_context_irq(dev, bdata->wakeirq, isr,
+ irqflags, wakedesc, bdata);
+ if (error < 0) {
+ dev_err(dev, "Unable to claim wakeirq %d; error %d\n",
+ bdata->irq, error);
+ return error;
+ }
+
+ /*
+ * Disable wakeirq until suspend. IRQF_NO_AUTOEN won't work if
+ * IRQF_SHARED was set based on !button->can_disable.
+ */
+ disable_irq(bdata->wakeirq);
+
return 0;
}
@@ -728,7 +769,7 @@ gpio_keys_get_devtree_pdata(struct device *dev)
struct gpio_keys_platform_data *pdata;
struct gpio_keys_button *button;
struct fwnode_handle *child;
- int nbuttons;
+ int nbuttons, irq;
nbuttons = device_get_child_node_count(dev);
if (nbuttons == 0)
@@ -750,9 +791,19 @@ gpio_keys_get_devtree_pdata(struct device *dev)
device_property_read_string(dev, "label", &pdata->name);
device_for_each_child_node(dev, child) {
- if (is_of_node(child))
- button->irq =
- irq_of_parse_and_map(to_of_node(child), 0);
+ if (is_of_node(child)) {
+ irq = of_irq_get_byname(to_of_node(child), "irq");
+ if (irq > 0)
+ button->irq = irq;
+
+ irq = of_irq_get_byname(to_of_node(child), "wakeup");
+ if (irq > 0)
+ button->wakeirq = irq;
+
+ if (!button->irq && !button->wakeirq)
+ button->irq =
+ irq_of_parse_and_map(to_of_node(child), 0);
+ }
if (fwnode_property_read_u32(child, "linux,code",
&button->code)) {
@@ -921,6 +972,11 @@ gpio_keys_button_enable_wakeup(struct gpio_button_data *bdata)
}
}
+ if (bdata->wakeirq) {
+ enable_irq(bdata->wakeirq);
+ disable_irq(bdata->irq);
+ }
+
return 0;
}
@@ -929,6 +985,11 @@ gpio_keys_button_disable_wakeup(struct gpio_button_data *bdata)
{
int error;
+ if (bdata->wakeirq) {
+ enable_irq(bdata->irq);
+ disable_irq(bdata->wakeirq);
+ }
+
/*
* The trigger type is always both edges for gpio-based keys and we do
* not support changing wakeup trigger for interrupt-based keys.
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 454fb8675657..16f936db7305 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -21,7 +21,6 @@
#include <linux/mutex.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <linux/gpio.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/keypad-omap.h>
#include <linux/soc/ti/omap1-io.h>
@@ -49,9 +48,6 @@ struct omap_kp {
static DECLARE_TASKLET_DISABLED_OLD(kp_tasklet, omap_kp_tasklet);
-static unsigned int *row_gpios;
-static unsigned int *col_gpios;
-
static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
{
/* disable keyboard interrupt and schedule for handling */
@@ -180,7 +176,7 @@ static int omap_kp_probe(struct platform_device *pdev)
struct omap_kp *omap_kp;
struct input_dev *input_dev;
struct omap_kp_platform_data *pdata = dev_get_platdata(&pdev->dev);
- int i, col_idx, row_idx, ret;
+ int ret;
unsigned int row_shift, keycodemax;
if (!pdata->rows || !pdata->cols || !pdata->keymap_data) {
@@ -209,17 +205,9 @@ static int omap_kp_probe(struct platform_device *pdev)
if (pdata->delay)
omap_kp->delay = pdata->delay;
- if (pdata->row_gpios && pdata->col_gpios) {
- row_gpios = pdata->row_gpios;
- col_gpios = pdata->col_gpios;
- }
-
omap_kp->rows = pdata->rows;
omap_kp->cols = pdata->cols;
- col_idx = 0;
- row_idx = 0;
-
timer_setup(&omap_kp->timer, omap_kp_timer, 0);
/* get the irq and init timer*/
@@ -276,11 +264,6 @@ err4:
err3:
device_remove_file(&pdev->dev, &dev_attr_enable);
err2:
- for (i = row_idx - 1; i >= 0; i--)
- gpio_free(row_gpios[i]);
- for (i = col_idx - 1; i >= 0; i--)
- gpio_free(col_gpios[i]);
-
kfree(omap_kp);
input_free_device(input_dev);
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index d3f8688fdd9c..040b340995d8 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/of.h>
@@ -83,6 +84,7 @@ struct omap4_keypad {
bool no_autorepeat;
u64 keys;
unsigned short *keymap;
+ struct clk *fck;
};
static int kbd_readl(struct omap4_keypad *keypad_data, u32 offset)
@@ -209,6 +211,10 @@ static int omap4_keypad_open(struct input_dev *input)
if (error)
return error;
+ error = clk_prepare_enable(keypad_data->fck);
+ if (error)
+ goto out;
+
disable_irq(keypad_data->irq);
kbd_writel(keypad_data, OMAP4_KBD_CTRL,
@@ -226,10 +232,11 @@ static int omap4_keypad_open(struct input_dev *input)
enable_irq(keypad_data->irq);
+out:
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
- return 0;
+ return error;
}
static void omap4_keypad_stop(struct omap4_keypad *keypad_data)
@@ -258,6 +265,7 @@ static void omap4_keypad_close(struct input_dev *input)
disable_irq(keypad_data->irq);
omap4_keypad_stop(keypad_data);
enable_irq(keypad_data->irq);
+ clk_disable_unprepare(keypad_data->fck);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
@@ -356,6 +364,11 @@ static int omap4_keypad_probe(struct platform_device *pdev)
}
keypad_data->irq = irq;
+ keypad_data->fck = devm_clk_get(&pdev->dev, "fck");
+ if (IS_ERR(keypad_data->fck))
+ return dev_err_probe(&pdev->dev, PTR_ERR(keypad_data->fck),
+ "unable to get fck");
+
mutex_init(&keypad_data->lock);
platform_set_drvdata(pdev, keypad_data);
diff --git a/drivers/input/keyboard/qt1050.c b/drivers/input/keyboard/qt1050.c
index 6953097db445..b51dfcd76038 100644
--- a/drivers/input/keyboard/qt1050.c
+++ b/drivers/input/keyboard/qt1050.c
@@ -213,7 +213,7 @@ static struct regmap_config qt1050_regmap_config = {
.val_bits = 8,
.max_register = QT1050_RES_CAL,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.wr_table = &qt1050_writeable_table,
.rd_table = &qt1050_readable_table,
diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c
index 8af59ced1ec2..677bc4baa5d1 100644
--- a/drivers/input/keyboard/tca6416-keypad.c
+++ b/drivers/input/keyboard/tca6416-keypad.c
@@ -14,7 +14,6 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
-#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/tca6416_keypad.h>
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-21 04:46:04 +0300