The patch titled input: allow certain EV_ABS events to bypass all filtering has been added to the -mm tree. Its filename is input-allow-certain-ev_abs-events-to-bypass-all-filtering.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: input: allow certain EV_ABS events to bypass all filtering From: Henrik Rydberg <rydberg@xxxxxxxxxxx> With the upcoming multi-touch interface as an example, there is a need to make certain that all reported events actually get passed to the event handler. This patch equips the input core with the ability to bypass all filtering for certain EV_ABS events. Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx> Cc: Dmitry Torokhov <dtor@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/input/input.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff -puN drivers/input/input.c~input-allow-certain-ev_abs-events-to-bypass-all-filtering drivers/input/input.c --- a/drivers/input/input.c~input-allow-certain-ev_abs-events-to-bypass-all-filtering +++ a/drivers/input/input.c @@ -29,6 +29,13 @@ MODULE_LICENSE("GPL"); #define INPUT_DEVICES 256 +/* + * EV_ABS events which should not be cached are listed here. + */ +static __initdata unsigned int input_abs_bypass_init_data[] = { + 0 +}; + static LIST_HEAD(input_dev_list); static LIST_HEAD(input_handler_list); @@ -42,6 +49,8 @@ static DEFINE_MUTEX(input_mutex); static struct input_handler *input_table[8]; +static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)]; + static inline int is_event_supported(unsigned int code, unsigned long *bm, unsigned int max) { @@ -185,6 +194,11 @@ static void input_handle_event(struct in case EV_ABS: if (is_event_supported(code, dev->absbit, ABS_MAX)) { + if (test_bit(code, input_abs_bypass)) { + disposition = INPUT_PASS_TO_HANDLERS; + break; + } + value = input_defuzz_abs_event(value, dev->abs[code], dev->absfuzz[code]); @@ -1630,10 +1644,19 @@ static const struct file_operations inpu .open = input_open_file, }; +static void __init input_init_abs_bypass() +{ + const unsigned int *p; + for (p = input_abs_bypass_init_data; *p; p++) + input_abs_bypass[BIT_WORD(*p)] |= BIT_MASK(*p); +} + static int __init input_init(void) { int err; + input_init_abs_bypass(); + err = class_register(&input_class); if (err) { printk(KERN_ERR "input: unable to register input_dev class\n"); _ Patches currently in -mm which might be from rydberg@xxxxxxxxxxx are linux-next.patch input-mousedev-distinguish-a-moving-finger-from-a-tapping-finger.patch input-allow-certain-ev_abs-events-to-bypass-all-filtering.patch input-add-a-detailed-multi-touch-finger-data-report-protocol-rev2.patch video-mbp_nvidia_bl-fix-brightness-after-suspend-hibernation.patch hwmon-applesmc-add-support-for-macbook-air-2.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html