diff options
Diffstat (limited to '0002-HID-multitouch-don-t-check-HID_GROUP_MULTITOUCH_WIN_.patch')
| -rw-r--r-- | 0002-HID-multitouch-don-t-check-HID_GROUP_MULTITOUCH_WIN_.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/0002-HID-multitouch-don-t-check-HID_GROUP_MULTITOUCH_WIN_.patch b/0002-HID-multitouch-don-t-check-HID_GROUP_MULTITOUCH_WIN_.patch new file mode 100644 index 000000000000..d6da6346b4a2 --- /dev/null +++ b/0002-HID-multitouch-don-t-check-HID_GROUP_MULTITOUCH_WIN_.patch @@ -0,0 +1,44 @@ +From 0aaacf083be5b68a830f9e174f9abee3b00c5a51 Mon Sep 17 00:00:00 2001 +Message-Id: <0aaacf083be5b68a830f9e174f9abee3b00c5a51.1530402641.git.joeypabalinas@gmail.com> +In-Reply-To: <cover.1530402641.git.joeypabalinas@gmail.com> +References: <cover.1530402641.git.joeypabalinas@gmail.com> +From: Joey Pabalinas <joeypabalinas@gmail.com> +To: linux-input@vger.kernel.org +CC: linux-kernel@vger.kernel.org +CC: Jiri Kosina <jikos@kernel.org> +CC: Benjamin Tissoires <benjamin.tissoires@redhat.com> +CC: Daniel Martin <consume.noise@gmail.com> +CC: Joey Pabalinas <joeypabalinas@gmail.com> +Date: Sat, 30 Jun 2018 13:23:05 -1000 +Subject: [PATCH 2/4] HID: multitouch: don't check HID_GROUP_MULTITOUCH_WIN_8 for serial protocol + +The HID_GROUP_MULTITOUCH_WIN_8 group never needs to check for the serial +protocol, so avoid setting `td->serial_maybe = true;` in order to avoid +an unnecessary mt_post_parse_default_settings() call + +Signed-off-by: Joey Pabalinas <joeypabalinas@gmail.com> + + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c +index a793076139d7d0db9b..c0654db0b736543ca0 100644 +--- a/drivers/hid/hid-multitouch.c ++++ b/drivers/hid/hid-multitouch.c +@@ -1460,11 +1460,13 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) + if (!td->fields) { + dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); + return -ENOMEM; + } + +- if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) ++ if (id->vendor == HID_ANY_ID ++ && id->product == HID_ANY_ID ++ && id->group != HID_GROUP_MULTITOUCH_WIN_8) + td->serial_maybe = true; + + /* This allows the driver to correctly support devices + * that emit events over several HID messages. + */ +-- +2.18.0 + |