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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-21 09:09:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-21 09:09:30 -0800
commit0b517333721c1b7a740e54b1cbe78a14884d51e7 (patch)
treeb9af16849a0aa7a581e841c73d28519d367a9f5c /drivers
parentbc380733a5e77ccc3b4d4622595e42f1b0902d66 (diff)
parent7a71712293ba303aad928f580b89addb0be2892e (diff)
downloadlinux-0b517333721c1b7a740e54b1cbe78a14884d51e7.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov: "Switching a few devices with Synaptics over to SMbus and disabling SMbus on a couple devices with Elan touchpads as they need more plumbing on PS/2 side" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics - enable SMBus for HP EliteBook 840 G4 Input: elantech - disable elan-i2c for P52 and P72 Input: synaptics - enable RMI on ThinkPad T560 Input: omap-keypad - fix idle configuration to not block SoC idle states
Diffstat (limited to 'drivers')
-rw-r--r--drivers/input/keyboard/omap4-keypad.c16
-rw-r--r--drivers/input/mouse/elantech.c18
-rw-r--r--drivers/input/mouse/synaptics.c2
3 files changed, 22 insertions, 14 deletions
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index a7dc286f406c..840e53732753 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -126,12 +126,8 @@ static irqreturn_t omap4_keypad_irq_handler(int irq, void *dev_id)
{
struct omap4_keypad *keypad_data = dev_id;
- if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) {
- /* Disable interrupts */
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
- OMAP4_VAL_IRQDISABLE);
+ if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS))
return IRQ_WAKE_THREAD;
- }
return IRQ_NONE;
}
@@ -173,11 +169,6 @@ static irqreturn_t omap4_keypad_irq_thread_fn(int irq, void *dev_id)
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS));
- /* enable interrupts */
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
- OMAP4_DEF_IRQENABLE_EVENTEN |
- OMAP4_DEF_IRQENABLE_LONGKEY);
-
return IRQ_HANDLED;
}
@@ -214,9 +205,10 @@ static void omap4_keypad_close(struct input_dev *input)
disable_irq(keypad_data->irq);
- /* Disable interrupts */
+ /* Disable interrupts and wake-up events */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
OMAP4_VAL_IRQDISABLE);
+ kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE, 0);
/* clear pending interrupts */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
@@ -365,7 +357,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
}
error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler,
- omap4_keypad_irq_thread_fn, 0,
+ omap4_keypad_irq_thread_fn, IRQF_ONESHOT,
"omap4-keypad", keypad_data);
if (error) {
dev_err(&pdev->dev, "failed to register interrupt\n");
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 2d95e8d93cc7..9fe075c137dc 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1767,6 +1767,18 @@ static int elantech_smbus = IS_ENABLED(CONFIG_MOUSE_ELAN_I2C_SMBUS) ?
module_param_named(elantech_smbus, elantech_smbus, int, 0644);
MODULE_PARM_DESC(elantech_smbus, "Use a secondary bus for the Elantech device.");
+static const char * const i2c_blacklist_pnp_ids[] = {
+ /*
+ * These are known to not be working properly as bits are missing
+ * in elan_i2c.
+ */
+ "LEN2131", /* ThinkPad P52 w/ NFC */
+ "LEN2132", /* ThinkPad P52 */
+ "LEN2133", /* ThinkPad P72 w/ NFC */
+ "LEN2134", /* ThinkPad P72 */
+ NULL
+};
+
static int elantech_create_smbus(struct psmouse *psmouse,
struct elantech_device_info *info,
bool leave_breadcrumbs)
@@ -1802,10 +1814,12 @@ static int elantech_setup_smbus(struct psmouse *psmouse,
if (elantech_smbus == ELANTECH_SMBUS_NOT_SET) {
/*
- * New ICs are enabled by default.
+ * New ICs are enabled by default, unless mentioned in
+ * i2c_blacklist_pnp_ids.
* Old ICs are up to the user to decide.
*/
- if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version))
+ if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version) ||
+ psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids))
return -ENXIO;
}
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 2bd5bb11c8ba..b6da0c1267e3 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -171,6 +171,7 @@ static const char * const smbus_pnp_ids[] = {
"LEN0046", /* X250 */
"LEN004a", /* W541 */
"LEN005b", /* P50 */
+ "LEN005e", /* T560 */
"LEN0071", /* T480 */
"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
"LEN0073", /* X1 Carbon G5 (Elantech) */
@@ -178,6 +179,7 @@ static const char * const smbus_pnp_ids[] = {
"LEN0096", /* X280 */
"LEN0097", /* X280 -> ALPS trackpoint */
"LEN200f", /* T450s */
+ "SYN3052", /* HP EliteBook 840 G4 */
"SYN3221", /* HP 15-ay000 */
NULL
};