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| author | Hyungwoo Yang <hyungwoo.yang@intel.com> | 2019-03-04 21:48:54 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2019-03-18 14:46:20 +0100 |
| commit | e19595fcabb5d09071b9ddb302be98715b77b1b9 (patch) | |
| tree | 3151170f6e1e1c523a84dc7aa095041b314d0ba5 /drivers/hid/intel-ish-hid/ishtp-hid-client.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid... (diff) | |
| download | linux-e19595fcabb5d09071b9ddb302be98715b77b1b9.tar.xz linux-e19595fcabb5d09071b9ddb302be98715b77b1b9.zip | |
HID: intel-ish: enable raw interface to HID devices on ISH
Raw interface is often used to update firmwares in HID devices.
We are enabling the interface to support in-field firmware update
for the HID devices attached to ISH.
Signed-off-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/intel-ish-hid/ishtp-hid-client.c')
| -rw-r--r-- | drivers/hid/intel-ish-hid/ishtp-hid-client.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/hid/intel-ish-hid/ishtp-hid-client.c b/drivers/hid/intel-ish-hid/ishtp-hid-client.c index 30fe0c5e6fad..58773a3b5150 100644 --- a/drivers/hid/intel-ish-hid/ishtp-hid-client.c +++ b/drivers/hid/intel-ish-hid/ishtp-hid-client.c @@ -69,13 +69,15 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf, unsigned char *payload; struct device_info *dev_info; int i, j; - size_t payload_len, total_len, cur_pos; + size_t payload_len, total_len, cur_pos, raw_len; int report_type; struct report_list *reports_list; char *reports; size_t report_len; struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data; int curr_hid_dev = client_data->cur_hid_dev; + struct ishtp_hid_data *hid_data = NULL; + struct hid_device *hid = NULL; payload = recv_buf + sizeof(struct hostif_msg_hdr); total_len = data_len; @@ -219,18 +221,31 @@ do_get_report: /* Get index of device that matches this id */ for (i = 0; i < client_data->num_hid_devices; ++i) { if (recv_msg->hdr.device_id == - client_data->hid_devices[i].dev_id) - if (client_data->hid_sensor_hubs[i]) { - hid_input_report( - client_data->hid_sensor_hubs[ - i], - report_type, payload, - payload_len, 0); - ishtp_hid_wakeup( - client_data->hid_sensor_hubs[ - i]); + client_data->hid_devices[i].dev_id) { + hid = client_data->hid_sensor_hubs[i]; + if (!hid) break; + + hid_data = hid->driver_data; + if (hid_data->raw_get_req) { + raw_len = + (hid_data->raw_buf_size < + payload_len) ? + hid_data->raw_buf_size : + payload_len; + + memcpy(hid_data->raw_buf, + payload, raw_len); + } else { + hid_input_report + (hid, report_type, + payload, payload_len, + 0); } + + ishtp_hid_wakeup(hid); + break; + } } break; |