[PATCH 8/8] evdev-touchpad: Autodetect known Sony-style touchpads

[Alexander E. Patrakov]

From: "Alexander E. Patrakov" <patrakov at gmail.com>

---
 src/evdev-touchpad.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/evdev-touchpad.c b/src/evdev-touchpad.c
index 53de1e7..e36c2aa 100644
--- a/src/evdev-touchpad.c
+++ b/src/evdev-touchpad.c
@@ -193,7 +193,31 @@ configure_interaction_model(struct touchpad_dispatch *touchpad)
 	case TOUCHPAD_MODEL_APPLETOUCH:
 		touchpad->interaction_model = INTERACTION_MODEL_APPLE;
 		break;
+	case TOUCHPAD_MODEL_SYNAPTICS:
+	case TOUCHPAD_MODEL_ELANTECH:
+	case TOUCHPAD_MODEL_ALPS:
+		/*
+		 * FIXME: fallback to INTERACTION_MODEL_SIMPLE if out
+		 * requirements such as multitouch support or pressure
+		 * readings are not met.
+		 */
+		touchpad->interaction_model = INTERACTION_MODEL_SONY;
+		break;
 	default:
+		/* Note: Chromebook Pixel also gets here because of the following:
+		 * I: Bus=0018 Vendor=0000 Product=0000 Version=0000
+		 * N: Name="Atmel maXTouch Touchpad"
+		 * P: Phys=i2c-1-004b/input0
+		 * S: Sysfs=/devices/pci0000:00/0000:00:02.0/i2c-1/1-004b/input/input9
+		 * U: Uniq=
+		 * H: Handlers=mouse1 event9
+		 * B: PROP=5
+		 * B: EV=b
+		 * B: KEY=e520 10000 0 0 0 0
+		 * B: ABS=661800001000003
+		 *
+		 * Actually, Apple-style interaction is appropriate for Chromebooks.
+		 */
 		weston_log("Found a buttonpad of unknown type, assuming Apple-style\n");
 		touchpad->interaction_model = INTERACTION_MODEL_APPLE;
 		break;
-- 
1.8.3.2