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path: root/drivers/input/keyboard
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-rw-r--r--drivers/input/keyboard/atkbd.c6
-rw-r--r--drivers/input/keyboard/gpio_keys.c6
-rw-r--r--drivers/input/keyboard/imx_keypad.c3
-rw-r--r--drivers/input/keyboard/locomokbd.c2
-rw-r--r--drivers/input/keyboard/matrix_keypad.c30
-rw-r--r--drivers/input/keyboard/snvs_pwrkey.c28
-rw-r--r--drivers/input/keyboard/tegra-kbc.c2
7 files changed, 65 insertions, 12 deletions
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index adf0f311996c..c9e1127578b9 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -37,7 +37,7 @@ static int atkbd_set = 2;
module_param_named(set, atkbd_set, int, 0);
MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)");
-#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) || defined(__loongarch__)
static bool atkbd_reset;
#else
static bool atkbd_reset = true;
@@ -1191,8 +1191,8 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd)
"AT %s Set %d keyboard",
atkbd->translated ? "Translated" : "Raw", atkbd->set);
- snprintf(atkbd->phys, sizeof(atkbd->phys),
- "%s/input0", atkbd->ps2dev.serio->phys);
+ scnprintf(atkbd->phys, sizeof(atkbd->phys),
+ "%s/input0", atkbd->ps2dev.serio->phys);
input_dev->name = atkbd->name;
input_dev->phys = atkbd->phys;
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 5c39a217b94c..f9db86da0818 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -449,6 +449,8 @@ static enum hrtimer_restart gpio_keys_irq_timer(struct hrtimer *t)
release_timer);
struct input_dev *input = bdata->input;
+ guard(spinlock_irqsave)(&bdata->lock);
+
if (bdata->key_pressed) {
input_report_key(input, *bdata->code, 0);
input_sync(input);
@@ -486,7 +488,7 @@ static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id)
if (bdata->release_delay)
hrtimer_start(&bdata->release_timer,
ms_to_ktime(bdata->release_delay),
- HRTIMER_MODE_REL_HARD);
+ HRTIMER_MODE_REL);
out:
return IRQ_HANDLED;
}
@@ -628,7 +630,7 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
bdata->release_delay = button->debounce_interval;
hrtimer_setup(&bdata->release_timer, gpio_keys_irq_timer,
- CLOCK_REALTIME, HRTIMER_MODE_REL_HARD);
+ CLOCK_REALTIME, HRTIMER_MODE_REL);
isr = gpio_keys_irq_isr;
irqflags = 0;
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 3cd47fa44efc..069c1d6376e1 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -183,7 +183,8 @@ static void imx_keypad_fire_events(struct imx_keypad *keypad,
*/
static void imx_keypad_check_for_events(struct timer_list *t)
{
- struct imx_keypad *keypad = from_timer(keypad, t, check_matrix_timer);
+ struct imx_keypad *keypad = timer_container_of(keypad, t,
+ check_matrix_timer);
unsigned short matrix_volatile_state[MAX_MATRIX_KEY_COLS];
unsigned short reg_val;
bool state_changed, is_zero_matrix;
diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
index c501a93a4417..58d4f2096cf9 100644
--- a/drivers/input/keyboard/locomokbd.c
+++ b/drivers/input/keyboard/locomokbd.c
@@ -194,7 +194,7 @@ static irqreturn_t locomokbd_interrupt(int irq, void *dev_id)
*/
static void locomokbd_timer_callback(struct timer_list *t)
{
- struct locomokbd *locomokbd = from_timer(locomokbd, t, timer);
+ struct locomokbd *locomokbd = timer_container_of(locomokbd, t, timer);
locomokbd_scankeyboard(locomokbd);
}
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index e46473cb817c..e50a6fea9a60 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -104,6 +104,16 @@ static void disable_row_irqs(struct matrix_keypad *keypad)
disable_irq_nosync(keypad->row_irqs[i]);
}
+static uint32_t read_row_state(struct matrix_keypad *keypad)
+{
+ int row;
+ u32 row_state = 0;
+
+ for (row = 0; row < keypad->num_row_gpios; row++)
+ row_state |= row_asserted(keypad, row) ? BIT(row) : 0;
+ return row_state;
+}
+
/*
* This gets the keys from keyboard and reports it to input subsystem
*/
@@ -115,6 +125,10 @@ static void matrix_keypad_scan(struct work_struct *work)
const unsigned short *keycodes = input_dev->keycode;
uint32_t new_state[MATRIX_MAX_COLS];
int row, col, code;
+ u32 init_row_state, new_row_state;
+
+ /* read initial row state to detect changes between scan */
+ init_row_state = read_row_state(keypad);
/* de-activate all columns for scanning */
activate_all_cols(keypad, false);
@@ -129,9 +143,7 @@ static void matrix_keypad_scan(struct work_struct *work)
activate_col(keypad, col, true);
- for (row = 0; row < keypad->num_row_gpios; row++)
- new_state[col] |=
- row_asserted(keypad, row) ? BIT(row) : 0;
+ new_state[col] = read_row_state(keypad);
activate_col(keypad, col, false);
}
@@ -165,6 +177,18 @@ static void matrix_keypad_scan(struct work_struct *work)
keypad->scan_pending = false;
enable_row_irqs(keypad);
}
+
+ /* read new row state and detect if value has changed */
+ new_row_state = read_row_state(keypad);
+ if (init_row_state != new_row_state) {
+ guard(spinlock_irq)(&keypad->lock);
+ if (unlikely(keypad->scan_pending || keypad->stopped))
+ return;
+ disable_row_irqs(keypad);
+ keypad->scan_pending = true;
+ schedule_delayed_work(&keypad->work,
+ msecs_to_jiffies(keypad->debounce_ms));
+ }
}
static irqreturn_t matrix_keypad_interrupt(int irq, void *id)
diff --git a/drivers/input/keyboard/snvs_pwrkey.c b/drivers/input/keyboard/snvs_pwrkey.c
index bbf409dda89f..954055aaf6e2 100644
--- a/drivers/input/keyboard/snvs_pwrkey.c
+++ b/drivers/input/keyboard/snvs_pwrkey.c
@@ -27,6 +27,8 @@
#define SNVS_HPSR_BTN BIT(6)
#define SNVS_LPSR_SPO BIT(18)
#define SNVS_LPCR_DEP_EN BIT(5)
+#define SNVS_LPCR_BPT_SHIFT 16
+#define SNVS_LPCR_BPT_MASK (3 << SNVS_LPCR_BPT_SHIFT)
#define DEBOUNCE_TIME 30
#define REPEAT_INTERVAL 60
@@ -44,7 +46,8 @@ struct pwrkey_drv_data {
static void imx_imx_snvs_check_for_events(struct timer_list *t)
{
- struct pwrkey_drv_data *pdata = from_timer(pdata, t, check_timer);
+ struct pwrkey_drv_data *pdata = timer_container_of(pdata, t,
+ check_timer);
struct input_dev *input = pdata->input;
u32 state;
@@ -114,6 +117,8 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
struct device_node *np;
struct clk *clk;
int error;
+ unsigned int val;
+ unsigned int bpt;
u32 vid;
/* Get SNVS register Page */
@@ -148,6 +153,27 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
if (pdata->irq < 0)
return -EINVAL;
+ error = of_property_read_u32(np, "power-off-time-sec", &val);
+ if (!error) {
+ switch (val) {
+ case 0:
+ bpt = 0x3;
+ break;
+ case 5:
+ case 10:
+ case 15:
+ bpt = (val / 5) - 1;
+ break;
+ default:
+ dev_err(&pdev->dev,
+ "power-off-time-sec %d out of range\n", val);
+ return -EINVAL;
+ }
+
+ regmap_update_bits(pdata->snvs, SNVS_LPCR_REG, SNVS_LPCR_BPT_MASK,
+ bpt << SNVS_LPCR_BPT_SHIFT);
+ }
+
regmap_read(pdata->snvs, SNVS_HPVIDR1_REG, &vid);
pdata->minor_rev = vid & 0xff;
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 32a676f0de53..bc1c80a456f2 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -240,7 +240,7 @@ static void tegra_kbc_set_fifo_interrupt(struct tegra_kbc *kbc, bool enable)
static void tegra_kbc_keypress_timer(struct timer_list *t)
{
- struct tegra_kbc *kbc = from_timer(kbc, t, timer);
+ struct tegra_kbc *kbc = timer_container_of(kbc, t, timer);
u32 val;
unsigned int i;
generated by cgit (git 2.34.1) at 2025-07-15 00:56:06 +0000