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hmt(4): Store Contact Count in separate variable.

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No functional changes.

MFC after:	1 week
This commit is contained in:
Vladimir Kondratyev 2021-08-16 23:11:36 +03:00
parent c4feb1ab0a
commit 95add157e3
1 changed files with 14 additions and 12 deletions
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26
sys/dev/hid/hmt.c
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@ -185,6 +185,7 @@ struct hmt_softc {
device_t dev;
enum hmt_type type;
int32_t cont_count_max;
struct hid_absinfo ai[HMT_N_USAGES];
struct hid_location locs[MAX_MT_SLOTS][HMT_N_USAGES];
struct hid_location cont_count_loc;
@ -332,7 +333,7 @@ hmt_attach(device_t dev)
* 'Contact Count Maximum'
*/
if (cont_count_max > 0)
sc->ai[HMT_SLOT].max = cont_count_max - 1;
sc->cont_count_max = cont_count_max;
} else
DPRINTF("hid_get_report error=%d\n", err);
} else
@ -368,12 +369,19 @@ hmt_attach(device_t dev)
}
/* Cap contact count maximum to MAX_MT_SLOTS */
if (sc->ai[HMT_SLOT].max >= MAX_MT_SLOTS) {
if (sc->cont_count_max > MAX_MT_SLOTS) {
DPRINTF("Hardware reported %d contacts while only %d is "
"supported\n", (int)sc->ai[HMT_SLOT].max+1, MAX_MT_SLOTS);
sc->ai[HMT_SLOT].max = MAX_MT_SLOTS - 1;
"supported\n", sc->cont_count_max, MAX_MT_SLOTS);
sc->cont_count_max = MAX_MT_SLOTS;
}
/* Set number of MT protocol type B slots */
sc->ai[HMT_SLOT] = (struct hid_absinfo) {
.min = 0,
.max = sc->cont_count_max - 1,
.res = 0,
};
if (hid_test_quirk(hw, HQ_MT_TIMESTAMP) || hmt_timestamps)
sc->do_timestamps = true;
#ifdef IICHID_SAMPLING
@ -445,7 +453,7 @@ hmt_attach(device_t dev)
sc->is_clickpad ? ", click-pad" : "");
device_printf(sc->dev,
"%d contacts with [%s%s%s%s%s] properties. Report range [%d:%d] - [%d:%d]\n",
(int)sc->ai[HMT_SLOT].max + 1,
(int)sc->cont_count_max,
isset(sc->caps, HMT_IN_RANGE) ? "R" : "",
isset(sc->caps, HMT_CONFIDENCE) ? "C" : "",
isset(sc->caps, HMT_WIDTH) ? "W" : "",
@ -834,13 +842,6 @@ hmt_hid_parse(struct hmt_softc *sc, const void *d_ptr, hid_size_t d_len,
if (cont_count_max < 1)
cont_count_max = cont;
/* Set number of MT protocol type B slots */
sc->ai[HMT_SLOT] = (struct hid_absinfo) {
.min = 0,
.max = cont_count_max - 1,
.res = 0,
};
/* Report touch orientation if both width and height are supported */
if (isset(sc->caps, HMT_WIDTH) && isset(sc->caps, HMT_HEIGHT)) {
setbit(sc->caps, HMT_ORIENTATION);
@ -857,6 +858,7 @@ hmt_hid_parse(struct hmt_softc *sc, const void *d_ptr, hid_size_t d_len,
hid_feature, sc->thqa_cert_rid);
sc->report_id = report_id;
sc->cont_count_max = cont_count_max;
sc->nconts_per_report = cont;
sc->has_int_button = has_int_button;