HID: remove ThingM blink(1) driver

Now that support for ThingM blink(1) was merged into the hid-led driver
the dedicated driver for this device can be removed.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

4 files changed, 4 insertions, 273 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 1dd9335de071..ca05aacdf94e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11042,11 +11042,6 @@ F:	Documentation/thermal/cpu-cooling-api.txt
 F:      drivers/thermal/cpu_cooling.c
 F:      include/linux/cpu_cooling.h
 
-THINGM BLINK(1) USB RGB LED DRIVER
-M:      Vivien Didelot <vivien.didelot@savoirfairelinux.com>
-S:      Maintained
-F:      drivers/hid/hid-thingm.c
-
 THINKPAD ACPI EXTRAS DRIVER
 M:      Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
 L:      ibm-acpi-devel@lists.sourceforge.net
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 0fecf8f0bb9d..8b1eb47930bc 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -832,11 +832,11 @@ config HID_THINGM
         tristate "ThingM blink(1) USB RGB LED"
         depends on HID
         depends on LEDS_CLASS
+        select HID_LED
         ---help---
-        Support for the ThingM blink(1) USB RGB LED. This driver registers a
-        Linux LED class instance, plus additional sysfs attributes to control
-        RGB colors, fade time and playing. The device is exposed through hidraw
-        to access other functions.
+        Support for the ThingM blink(1) USB RGB LED. This driver has been
+        merged into the generic hid led driver. Config symbol HID_THINGM
+        just selects HID_LED and will be removed soon.
 
 config HID_THRUSTMASTER
         tristate "ThrustMaster devices support"
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 86d71f60a967..ab5a5b005e5d 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -90,7 +90,6 @@ obj-$(CONFIG_HID_SPEEDLINK)	+= hid-speedlink.o
 obj-$(CONFIG_HID_STEELSERIES)   += hid-steelseries.o
 obj-$(CONFIG_HID_SUNPLUS)       += hid-sunplus.o
 obj-$(CONFIG_HID_GREENASIA)     += hid-gaff.o
-obj-$(CONFIG_HID_THINGM)        += hid-thingm.o
 obj-$(CONFIG_HID_THRUSTMASTER)  += hid-tmff.o
 obj-$(CONFIG_HID_TIVO)          += hid-tivo.o
 obj-$(CONFIG_HID_TOPSEED)       += hid-topseed.o
diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
deleted file mode 100644
index 9ad9c6ec5bba..000000000000
--- a/drivers/hid/hid-thingm.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * ThingM blink(1) USB RGB LED driver
- *
- * Copyright 2013-2014 Savoir-faire Linux Inc.
- *      Vivien Didelot <vivien.didelot@savoirfairelinux.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, version 2.
- */
-
-#include <linux/hid.h>
-#include <linux/hidraw.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-
-#include "hid-ids.h"
-
-#define REPORT_ID       1
-#define REPORT_SIZE     9
-
-/* Firmware major number of supported devices */
-#define THINGM_MAJOR_MK1        '1'
-#define THINGM_MAJOR_MK2        '2'
-
-struct thingm_fwinfo {
-        char major;
-        unsigned numrgb;
-        unsigned first;
-};
-
-static const struct thingm_fwinfo thingm_fwinfo[] = {
-        {
-                .major = THINGM_MAJOR_MK1,
-                .numrgb = 1,
-                .first = 0,
-        }, {
-                .major = THINGM_MAJOR_MK2,
-                .numrgb = 2,
-                .first = 1,
-        }
-};
-
-/* A red, green or blue channel, part of an RGB chip */
-struct thingm_led {
-        struct thingm_rgb *rgb;
-        struct led_classdev ldev;
-        char name[32];
-};
-
-/* Basically a WS2812 5050 RGB LED chip */
-struct thingm_rgb {
-        struct thingm_device *tdev;
-        struct thingm_led red;
-        struct thingm_led green;
-        struct thingm_led blue;
-        u8 num;
-};
-
-struct thingm_device {
-        struct hid_device *hdev;
-        struct {
-                char major;
-                char minor;
-        } version;
-        const struct thingm_fwinfo *fwinfo;
-        struct mutex lock;
-        struct thingm_rgb *rgb;
-};
-
-static int thingm_send(struct thingm_device *tdev, u8 buf[REPORT_SIZE])
-{
-        int ret;
-
-        hid_dbg(tdev->hdev, "-> %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n",
-                        buf[0], buf[1], buf[2], buf[3], buf[4],
-                        buf[5], buf[6], buf[7], buf[8]);
-
-        mutex_lock(&tdev->lock);
-
-        ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE,
-                        HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
-
-        mutex_unlock(&tdev->lock);
-
-        return ret < 0 ? ret : 0;
-}
-
-static int thingm_recv(struct thingm_device *tdev, u8 buf[REPORT_SIZE])
-{
-        int ret;
-
-        /*
-         * A read consists of two operations: sending the read command
-         * and the actual read from the device. Use the mutex to protect
-         * the full sequence of both operations.
-         */
-        mutex_lock(&tdev->lock);
-
-        ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE,
-                        HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
-        if (ret < 0)
-                goto err;
-
-        ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE,
-                        HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
-        if (ret < 0)
-                goto err;
-
-        ret = 0;
-
-        hid_dbg(tdev->hdev, "<- %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n",
-                        buf[0], buf[1], buf[2], buf[3], buf[4],
-                        buf[5], buf[6], buf[7], buf[8]);
-err:
-        mutex_unlock(&tdev->lock);
-        return ret;
-}
-
-static int thingm_version(struct thingm_device *tdev)
-{
-        u8 buf[REPORT_SIZE] = { REPORT_ID, 'v', 0, 0, 0, 0, 0, 0, 0 };
-        int err;
-
-        err = thingm_recv(tdev, buf);
-        if (err)
-                return err;
-
-        tdev->version.major = buf[3];
-        tdev->version.minor = buf[4];
-
-        return 0;
-}
-
-static int thingm_write_color(struct thingm_rgb *rgb)
-{
-        u8 buf[REPORT_SIZE] = { REPORT_ID, 'c', 0, 0, 0, 0, 0, rgb->num, 0 };
-
-        buf[2] = rgb->red.ldev.brightness;
-        buf[3] = rgb->green.ldev.brightness;
-        buf[4] = rgb->blue.ldev.brightness;
-
-        return thingm_send(rgb->tdev, buf);
-}
-
-static int thingm_led_set(struct led_classdev *ldev,
-                          enum led_brightness brightness)
-{
-        struct thingm_led *led = container_of(ldev, struct thingm_led, ldev);
-
-        return thingm_write_color(led->rgb);
-}
-
-static int thingm_init_led(struct thingm_led *led, const char *color_name,
-                           struct thingm_rgb *rgb, int minor)
-{
-        snprintf(led->name, sizeof(led->name), "thingm%d:%s:led%d",
-                 minor, color_name, rgb->num);
-        led->ldev.name = led->name;
-        led->ldev.max_brightness = 255;
-        led->ldev.brightness_set_blocking = thingm_led_set;
-        led->ldev.flags = LED_HW_PLUGGABLE;
-        led->rgb = rgb;
-        return devm_led_classdev_register(&rgb->tdev->hdev->dev, &led->ldev);
-}
-
-static int thingm_init_rgb(struct thingm_rgb *rgb)
-{
-        const int minor = ((struct hidraw *) rgb->tdev->hdev->hidraw)->minor;
-        int err;
-
-        /* Register the red diode */
-        err = thingm_init_led(&rgb->red, "red", rgb, minor);
-        if (err)
-                return err;
-
-        /* Register the green diode */
-        err = thingm_init_led(&rgb->green, "green", rgb, minor);
-        if (err)
-                return err;
-
-        /* Register the blue diode */
-        return thingm_init_led(&rgb->blue, "blue", rgb, minor);
-}
-
-static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)
-{
-        struct thingm_device *tdev;
-        int i, err;
-
-        tdev = devm_kzalloc(&hdev->dev, sizeof(struct thingm_device),
-                        GFP_KERNEL);
-        if (!tdev)
-                return -ENOMEM;
-
-        tdev->hdev = hdev;
-        hid_set_drvdata(hdev, tdev);
-
-        err = hid_parse(hdev);
-        if (err)
-                return err;
-
-        mutex_init(&tdev->lock);
-
-        err = thingm_version(tdev);
-        if (err)
-                return err;
-
-        hid_dbg(hdev, "firmware version: %c.%c\n",
-                        tdev->version.major, tdev->version.minor);
-
-        for (i = 0; i < ARRAY_SIZE(thingm_fwinfo) && !tdev->fwinfo; ++i)
-                if (thingm_fwinfo[i].major == tdev->version.major)
-                        tdev->fwinfo = &thingm_fwinfo[i];
-
-        if (!tdev->fwinfo) {
-                hid_err(hdev, "unsupported firmware %c\n", tdev->version.major);
-                return -ENODEV;
-        }
-
-        tdev->rgb = devm_kzalloc(&hdev->dev,
-                        sizeof(struct thingm_rgb) * tdev->fwinfo->numrgb,
-                        GFP_KERNEL);
-        if (!tdev->rgb)
-                return -ENOMEM;
-
-        err = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
-        if (err)
-                return err;
-
-        for (i = 0; i < tdev->fwinfo->numrgb; ++i) {
-                struct thingm_rgb *rgb = tdev->rgb + i;
-
-                rgb->tdev = tdev;
-                rgb->num = tdev->fwinfo->first + i;
-                err = thingm_init_rgb(rgb);
-                if (err) {
-                        hid_hw_stop(hdev);
-                        return err;
-                }
-        }
-
-        return 0;
-}
-
-static const struct hid_device_id thingm_table[] = {
-        { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
-        { }
-};
-MODULE_DEVICE_TABLE(hid, thingm_table);
-
-static struct hid_driver thingm_driver = {
-        .name = "thingm",
-        .probe = thingm_probe,
-        .id_table = thingm_table,
-};
-
-module_hid_driver(thingm_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Vivien Didelot <vivien.didelot@savoirfairelinux.com>");
-MODULE_DESCRIPTION("ThingM blink(1) USB RGB LED driver");