add implemention of ratbag_set_active_profile

It's a 2 callback combo in the driver.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>

src/etekcity.c

@@ -126,6 +126,23 @@ etekcity_current_profile(struct ratbag *ratbag)
 	return buf[2];
 }
 
+static int
+etekcity_set_current_profile(struct ratbag *ratbag, unsigned int index)
+{
+	__u8 buf[] = {ETEKCITY_REPORT_ID_PROFILE, 0x03, index};
+	int ret;
+
+	if (index > ETEKCITY_PROFILE_MAX)
+		return -EINVAL;
+
+	ret = ratbag_hidraw_raw_request(ratbag, buf[0], buf, sizeof(buf),
+			HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+
+	msleep(100);
+
+	return ret == sizeof(buf) ? 0 : ret;
+}
+
 static int
 etekcity_set_config_profile(struct ratbag *ratbag, __u8 profile, __u8 type)
 {
@@ -182,6 +199,12 @@ etekcity_read_profile(struct ratbag_profile *profile, unsigned int index)
 	}
 }
 
+static int
+etekcity_write_profile(struct ratbag_profile *profile)
+{
+	return 0;
+}
+
 static int
 etekcity_probe(struct ratbag *ratbag, const struct ratbag_id id)
 {
@@ -238,6 +261,8 @@ struct ratbag_driver etekcity_driver = {
 	.table_ids = etekcity_table,
 	.probe = etekcity_probe,
 	.read_profile = etekcity_read_profile,
+	.write_profile = etekcity_write_profile,
 	.get_active_profile = etekcity_current_profile,
+	.set_active_profile = etekcity_set_current_profile,
 	.has_capability = etekcity_has_capability,
 };

src/libratbag-private.h

@@ -67,7 +67,9 @@ struct ratbag_driver {
 
 	int (*probe)(struct ratbag *ratbag, const struct ratbag_id id);
 	void (*read_profile)(struct ratbag_profile *profile, unsigned int index);
+	int (*write_profile)(struct ratbag_profile *profile);
 	int (*get_active_profile)(struct ratbag *ratbag);
+	int (*set_active_profile)(struct ratbag *ratbag, unsigned int index);
 	int (*has_capability)(const struct ratbag *ratbag, enum ratbag_capability cap);
 
 	/* private */

src/libratbag.c

@@ -481,3 +481,18 @@ ratbag_has_capability(const struct ratbag *ratbag, enum ratbag_capability cap)
 	assert(ratbag->driver->has_capability);
 	return ratbag->driver->has_capability(ratbag, cap);
 }
+
+LIBRATBAG_EXPORT int
+ratbag_set_active_profile(struct ratbag *ratbag,
+			  struct ratbag_profile *profile)
+{
+	int rc;
+
+	assert(ratbag->driver->write_profile);
+	rc = ratbag->driver->write_profile(profile);
+	if (rc)
+		return rc;
+
+	assert(ratbag->driver->set_active_profile);
+	return ratbag->driver->set_active_profile(ratbag, profile->index);
+}

src/libratbag.sym

@@ -12,6 +12,7 @@ global:
 	ratbag_get_profile_by_index;
 	ratbag_has_capability;
 	ratbag_new_from_fd;
+	ratbag_set_active_profile;
 	ratbag_profile_ref;
 	ratbag_profile_unref;
 	ratbag_unref;

tools/ratbag-command.c

@@ -82,10 +82,14 @@ main(int argc, char **argv)
 
 	fprintf(stderr, "Opened '%s' (%s).\n", ratbag_get_name(rb), path);
 
+	profile = ratbag_get_profile_by_index(rb, 0);
+	ratbag_set_active_profile(rb, profile);
+	profile = ratbag_profile_unref(profile);
+
 	profile = ratbag_get_active_profile(rb);
+	profile = ratbag_profile_unref(profile);
 
 out:
-	profile = ratbag_profile_unref(profile);
 	rb = ratbag_unref(rb);
 	libratbag_unref(libratbag);
 	close(fd);