diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index 5b50475ec414..448ff09ecd1b 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -83,6 +83,7 @@ static inline void i8042_write_command(int val) #define SERIO_QUIRK_KBDRESET BIT(12) #define SERIO_QUIRK_DRITEK BIT(13) #define SERIO_QUIRK_NOPNP BIT(14) +#define SERIO_QUIRK_FORCENORESTORE BIT(15) /* Quirk table for different mainboards. Options similar or identical to i8042 * module parameters. @@ -1685,6 +1686,8 @@ static void __init i8042_check_quirks(void) if (quirks & SERIO_QUIRK_NOPNP) i8042_nopnp = true; #endif + if (quirks & SERIO_QUIRK_FORCENORESTORE) + i8042_forcenorestore = true; } #else static inline void i8042_check_quirks(void) {} @@ -1718,7 +1721,7 @@ static int __init i8042_platform_init(void) i8042_check_quirks(); - pr_debug("Active quirks (empty means none):%s%s%s%s%s%s%s%s%s%s%s%s%s\n", + pr_debug("Active quirks (empty means none):%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", i8042_nokbd ? " nokbd" : "", i8042_noaux ? " noaux" : "", i8042_nomux ? " nomux" : "", @@ -1738,10 +1741,11 @@ static int __init i8042_platform_init(void) "", #endif #ifdef CONFIG_PNP - i8042_nopnp ? " nopnp" : ""); + i8042_nopnp ? " nopnp" : "", #else - ""); + "", #endif + i8042_forcenorestore ? " forcenorestore" : ""); retval = i8042_pnp_init(); if (retval) diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 7a9b0c355198..c0a7d6afee67 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -116,6 +116,10 @@ module_param_named(nopnp, i8042_nopnp, bool, 0); MODULE_PARM_DESC(nopnp, "Do not use PNP to detect controller settings"); #endif +static bool i8042_forcenorestore; +module_param_named(forcenorestore, i8042_forcenorestore, bool, 0); +MODULE_PARM_DESC(forcenorestore, "Force no restore on s3 resume, copying s2idle behaviour"); + #define DEBUG #ifdef DEBUG static bool i8042_debug; @@ -1254,7 +1258,7 @@ static int i8042_pm_suspend(struct device *dev) { int i; - if (pm_suspend_via_firmware()) + if (!i8042_forcenorestore && pm_suspend_via_firmware()) i8042_controller_reset(true); /* Set up serio interrupts for system wakeup. */ @@ -1270,7 +1274,7 @@ static int i8042_pm_suspend(struct device *dev) static int i8042_pm_resume_noirq(struct device *dev) { - if (!pm_resume_via_firmware()) + if (i8042_forcenorestore || !pm_resume_via_firmware()) i8042_interrupt(0, NULL); return 0; @@ -1293,7 +1297,7 @@ static int i8042_pm_resume(struct device *dev) * not restore the controller state to whatever it had been at boot * time, so we do not need to do anything. */ - if (!pm_suspend_via_firmware()) + if (i8042_forcenorestore || !pm_suspend_via_firmware()) return 0; /*