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Commit 5277e97c authored by Stefan Achatz's avatar Stefan Achatz Committed by Jiri Kosina
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HID: roccat: allow readout of koneplus sensor register data 



tcu sysfs attr was used to only control calibration process so far. Direct
sensor register access possibility has been revealed. Allowing readout of tcu
permits usage of this feature.

Signed-off-by: default avatarStefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 4424f616

Documentation/ABI/testing/sysfs-driver-hid-roccat-koneplus

+3 −3
Original line number Diff line number Diff line
@@ -104,9 +104,9 @@ What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid- 
Date:		October 2010

Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>

Description:	When written a calibration process for the tracking control unit

		can be initiated/cancelled.

		The data has to be 3 bytes long.

		This file is writeonly.

		can be initiated/cancelled. Also lets one read/write sensor

		registers.

		The data has to be 4 bytes long.

Users:		http://roccat.sourceforge.net



What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu_image

drivers/hid/hid-roccat-koneplus.c

+10 −1
Original line number Diff line number Diff line
@@ -222,6 +222,14 @@ static ssize_t koneplus_sysfs_write_tcu(struct file *fp, 
			sizeof(struct koneplus_tcu), KONEPLUS_COMMAND_TCU);

}



static ssize_t koneplus_sysfs_read_tcu(struct file *fp,

		struct kobject *kobj, struct bin_attribute *attr, char *buf,

		loff_t off, size_t count)

{

	return koneplus_sysfs_read(fp, kobj, buf, off, count,

			sizeof(struct koneplus_tcu), KONEPLUS_COMMAND_TCU);

}



static ssize_t koneplus_sysfs_read_tcu_image(struct file *fp,

		struct kobject *kobj, struct bin_attribute *attr, char *buf,

		loff_t off, size_t count)
@@ -426,8 +434,9 @@ static struct bin_attribute koneplus_bin_attributes[] = { 
		.write = koneplus_sysfs_write_sensor

	},

	{

		.attr = { .name = "tcu", .mode = 0220 },

		.attr = { .name = "tcu", .mode = 0660 },

		.size = sizeof(struct koneplus_tcu),

		.read = koneplus_sysfs_read_tcu,

		.write = koneplus_sysfs_write_tcu

	},

	{