git: 68e457df0268 - main - iichid(4): Restore/increase sampling rate
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Date: Sun, 24 Dec 2023 00:16:03 UTC
The branch main has been updated by mav: URL: https://cgit.FreeBSD.org/src/commit/?id=68e457df0268113646264883515412af4c8808cb commit 68e457df0268113646264883515412af4c8808cb Author: Alexander Motin <mav@FreeBSD.org> AuthorDate: 2023-12-24 00:10:49 +0000 Commit: Alexander Motin <mav@FreeBSD.org> CommitDate: 2023-12-24 00:10:49 +0000 iichid(4): Restore/increase sampling rate My previous commit by reducing precision reduced the sampling rate from 60Hz to 40Hz on idle system. Return it back to 60-80Hz range, that should be good for mouse smoothness on 60Hz displays. MFC after: 1 months --- sys/dev/iicbus/iichid.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/dev/iicbus/iichid.c b/sys/dev/iicbus/iichid.c index 1035088c11b5..84f624f9bb09 100644 --- a/sys/dev/iicbus/iichid.c +++ b/sys/dev/iicbus/iichid.c @@ -106,9 +106,9 @@ enum { * sampling_rate_fast value too high as it may result in periodical lags of * cursor motion. */ -#define IICHID_SAMPLING_RATE_FAST 60 +#define IICHID_SAMPLING_RATE_FAST 80 #define IICHID_SAMPLING_RATE_SLOW 10 -#define IICHID_SAMPLING_HYSTERESIS 12 /* ~ 2x fast / slow */ +#define IICHID_SAMPLING_HYSTERESIS 16 /* ~ 2x fast / slow */ /* 5.1.1 - HID Descriptor Format */ struct i2c_hid_desc { @@ -567,7 +567,7 @@ rearm: else rate = sc->sampling_rate_fast; taskqueue_enqueue_timeout_sbt(sc->taskqueue, &sc->periodic_task, - SBT_1S / MAX(rate, 1), 0, C_PREL(1)); + SBT_1S / MAX(rate, 1), 0, C_PREL(2)); } out: if (bus_requested)