diff options
Diffstat (limited to 'drivers/hid/hid-core.c')
| -rw-r--r-- | drivers/hid/hid-core.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 359616e3efbb..56172fe6995c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -814,6 +814,13 @@ static void hid_scan_collection(struct hid_parser *parser, unsigned type) if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR) parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC; + + if ((parser->global.usage_page << 16) == HID_UP_GOOGLEVENDOR) + for (i = 0; i < parser->local.usage_index; i++) + if (parser->local.usage[i] == + (HID_UP_GOOGLEVENDOR | 0x0001)) + parser->device->group = + HID_GROUP_VIVALDI; } static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) @@ -920,7 +927,7 @@ static int hid_scan_report(struct hid_device *hid) /** * hid_parse_report - parse device report * - * @device: hid device + * @hid: hid device * @start: report start * @size: report size * @@ -945,7 +952,7 @@ static const char * const hid_report_names[] = { /** * hid_validate_values - validate existing device report's value indexes * - * @device: hid device + * @hid: hid device * @type: which report type to examine * @id: which report ID to examine (0 for first) * @field_index: which report field to examine @@ -1444,7 +1451,7 @@ static int search(__s32 *array, __s32 value, unsigned n) * hid_match_report - check if driver's raw_event should be called * * @hid: hid device - * @report_type: type to match against + * @report: hid report to match against * * compare hid->driver->report_table->report_type to report->type */ @@ -1598,6 +1605,17 @@ static void hid_output_field(const struct hid_device *hid, } /* + * Compute the size of a report. + */ +static size_t hid_compute_report_size(struct hid_report *report) +{ + if (report->size) + return ((report->size - 1) >> 3) + 1; + + return 0; +} + +/* * Create a report. 'data' has to be allocated using * hid_alloc_report_buf() so that it has proper size. */ @@ -1609,7 +1627,7 @@ void hid_output_report(struct hid_report *report, __u8 *data) if (report->id > 0) *data++ = report->id; - memset(data, 0, ((report->size - 1) >> 3) + 1); + memset(data, 0, hid_compute_report_size(report)); for (n = 0; n < report->maxfield; n++) hid_output_field(report->device, report->field[n], data); } @@ -1739,7 +1757,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, csize--; } - rsize = ((report->size - 1) >> 3) + 1; + rsize = hid_compute_report_size(report); if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE) rsize = HID_MAX_BUFFER_SIZE - 1; @@ -2109,7 +2127,7 @@ struct hid_dynid { /** * store_new_id - add a new HID device ID to this driver and re-probe devices - * @driver: target device driver + * @drv: target device driver * @buf: buffer for scanning device ID data * @count: input size * |