2 * Sony ACX565AKM LCD Panel driver
4 * Copyright (C) 2010 Nokia Corporation
6 * Original Driver Author: Imre Deak <imre.deak@nokia.com>
7 * Based on panel-generic.c by Tomi Valkeinen <tomi.valkeinen@nokia.com>
8 * Adapted to new DSS2 framework: Roger Quadros <roger.quadros@nokia.com>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published by
12 * the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along with
20 * this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/spi/spi.h>
28 #include <linux/jiffies.h>
29 #include <linux/sched.h>
30 #include <linux/backlight.h>
32 #include <linux/gpio/consumer.h>
34 #include <linux/of_gpio.h>
36 #include <video/omap-panel-data.h>
38 #include "../dss/omapdss.h"
40 #define MIPID_CMD_READ_DISP_ID 0x04
41 #define MIPID_CMD_READ_RED 0x06
42 #define MIPID_CMD_READ_GREEN 0x07
43 #define MIPID_CMD_READ_BLUE 0x08
44 #define MIPID_CMD_READ_DISP_STATUS 0x09
45 #define MIPID_CMD_RDDSDR 0x0F
46 #define MIPID_CMD_SLEEP_IN 0x10
47 #define MIPID_CMD_SLEEP_OUT 0x11
48 #define MIPID_CMD_DISP_OFF 0x28
49 #define MIPID_CMD_DISP_ON 0x29
50 #define MIPID_CMD_WRITE_DISP_BRIGHTNESS 0x51
51 #define MIPID_CMD_READ_DISP_BRIGHTNESS 0x52
52 #define MIPID_CMD_WRITE_CTRL_DISP 0x53
54 #define CTRL_DISP_BRIGHTNESS_CTRL_ON (1 << 5)
55 #define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON (1 << 4)
56 #define CTRL_DISP_BACKLIGHT_ON (1 << 2)
57 #define CTRL_DISP_AUTO_BRIGHTNESS_ON (1 << 1)
59 #define MIPID_CMD_READ_CTRL_DISP 0x54
60 #define MIPID_CMD_WRITE_CABC 0x55
61 #define MIPID_CMD_READ_CABC 0x56
63 #define MIPID_VER_LPH8923 3
64 #define MIPID_VER_LS041Y3 4
65 #define MIPID_VER_L4F00311 8
66 #define MIPID_VER_ACX565AKM 9
68 struct panel_drv_data {
69 struct omap_dss_device dssdev;
70 struct omap_dss_device *in;
75 struct omap_video_timings videomode;
85 unsigned long hw_guard_end; /* next value of jiffies
87 next sleep in/out command */
88 unsigned long hw_guard_wait; /* max guard time in jiffies */
90 struct spi_device *spi;
93 struct backlight_device *bl_dev;
96 static const struct omap_video_timings acx565akm_panel_timings = {
99 .pixelclock = 24000000,
107 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
108 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
110 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
111 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
112 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
115 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
117 static void acx565akm_transfer(struct panel_drv_data *ddata, int cmd,
118 const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
120 struct spi_message m;
121 struct spi_transfer *x, xfer[5];
124 BUG_ON(ddata->spi == NULL);
126 spi_message_init(&m);
128 memset(xfer, 0, sizeof(xfer));
133 x->bits_per_word = 9;
136 if (rlen > 1 && wlen == 0) {
138 * Between the command and the response data there is a
139 * dummy clock cycle. Add an extra bit after the command
140 * word to account for this.
142 x->bits_per_word = 10;
145 spi_message_add_tail(x, &m);
151 x->bits_per_word = 9;
152 spi_message_add_tail(x, &m);
159 spi_message_add_tail(x, &m);
162 r = spi_sync(ddata->spi, &m);
164 dev_dbg(&ddata->spi->dev, "spi_sync %d\n", r);
167 static inline void acx565akm_cmd(struct panel_drv_data *ddata, int cmd)
169 acx565akm_transfer(ddata, cmd, NULL, 0, NULL, 0);
172 static inline void acx565akm_write(struct panel_drv_data *ddata,
173 int reg, const u8 *buf, int len)
175 acx565akm_transfer(ddata, reg, buf, len, NULL, 0);
178 static inline void acx565akm_read(struct panel_drv_data *ddata,
179 int reg, u8 *buf, int len)
181 acx565akm_transfer(ddata, reg, NULL, 0, buf, len);
184 static void hw_guard_start(struct panel_drv_data *ddata, int guard_msec)
186 ddata->hw_guard_wait = msecs_to_jiffies(guard_msec);
187 ddata->hw_guard_end = jiffies + ddata->hw_guard_wait;
190 static void hw_guard_wait(struct panel_drv_data *ddata)
192 unsigned long wait = ddata->hw_guard_end - jiffies;
194 if ((long)wait > 0 && wait <= ddata->hw_guard_wait) {
195 set_current_state(TASK_UNINTERRUPTIBLE);
196 schedule_timeout(wait);
200 static void set_sleep_mode(struct panel_drv_data *ddata, int on)
205 cmd = MIPID_CMD_SLEEP_IN;
207 cmd = MIPID_CMD_SLEEP_OUT;
209 * We have to keep 120msec between sleep in/out commands.
212 hw_guard_wait(ddata);
213 acx565akm_cmd(ddata, cmd);
214 hw_guard_start(ddata, 120);
217 static void set_display_state(struct panel_drv_data *ddata, int enabled)
219 int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
221 acx565akm_cmd(ddata, cmd);
224 static int panel_enabled(struct panel_drv_data *ddata)
229 acx565akm_read(ddata, MIPID_CMD_READ_DISP_STATUS,
230 (u8 *)&disp_status, 4);
231 disp_status = __be32_to_cpu(disp_status);
232 enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
233 dev_dbg(&ddata->spi->dev,
234 "LCD panel %senabled by bootloader (status 0x%04x)\n",
235 enabled ? "" : "not ", disp_status);
239 static int panel_detect(struct panel_drv_data *ddata)
241 acx565akm_read(ddata, MIPID_CMD_READ_DISP_ID, ddata->display_id, 3);
242 dev_dbg(&ddata->spi->dev, "MIPI display ID: %02x%02x%02x\n",
243 ddata->display_id[0],
244 ddata->display_id[1],
245 ddata->display_id[2]);
247 switch (ddata->display_id[0]) {
249 ddata->model = MIPID_VER_ACX565AKM;
250 ddata->name = "acx565akm";
255 ddata->model = MIPID_VER_L4F00311;
256 ddata->name = "l4f00311";
259 ddata->model = MIPID_VER_LPH8923;
260 ddata->name = "lph8923";
263 ddata->model = MIPID_VER_LS041Y3;
264 ddata->name = "ls041y3";
267 ddata->name = "unknown";
268 dev_err(&ddata->spi->dev, "invalid display ID\n");
272 ddata->revision = ddata->display_id[1];
274 dev_info(&ddata->spi->dev, "omapfb: %s rev %02x LCD detected\n",
275 ddata->name, ddata->revision);
280 /*----------------------Backlight Control-------------------------*/
282 static void enable_backlight_ctrl(struct panel_drv_data *ddata, int enable)
286 acx565akm_read(ddata, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
288 ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
289 CTRL_DISP_BACKLIGHT_ON;
291 ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
292 CTRL_DISP_BACKLIGHT_ON);
296 acx565akm_write(ddata, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
299 static void set_cabc_mode(struct panel_drv_data *ddata, unsigned mode)
303 ddata->cabc_mode = mode;
307 acx565akm_read(ddata, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
309 cabc_ctrl |= (1 << 8) | (mode & 3);
310 acx565akm_write(ddata, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
313 static unsigned get_cabc_mode(struct panel_drv_data *ddata)
315 return ddata->cabc_mode;
318 static unsigned get_hw_cabc_mode(struct panel_drv_data *ddata)
322 acx565akm_read(ddata, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
323 return cabc_ctrl & 3;
326 static void acx565akm_set_brightness(struct panel_drv_data *ddata, int level)
330 bv = level | (1 << 8);
331 acx565akm_write(ddata, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
334 enable_backlight_ctrl(ddata, 1);
336 enable_backlight_ctrl(ddata, 0);
339 static int acx565akm_get_actual_brightness(struct panel_drv_data *ddata)
343 acx565akm_read(ddata, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
349 static int acx565akm_bl_update_status(struct backlight_device *dev)
351 struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
354 dev_dbg(&ddata->spi->dev, "%s\n", __func__);
356 if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
357 dev->props.power == FB_BLANK_UNBLANK)
358 level = dev->props.brightness;
363 acx565akm_set_brightness(ddata, level);
370 static int acx565akm_bl_get_intensity(struct backlight_device *dev)
372 struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
374 dev_dbg(&dev->dev, "%s\n", __func__);
379 if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
380 dev->props.power == FB_BLANK_UNBLANK) {
382 return acx565akm_get_actual_brightness(ddata);
384 return dev->props.brightness;
390 static int acx565akm_bl_update_status_locked(struct backlight_device *dev)
392 struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
395 mutex_lock(&ddata->mutex);
396 r = acx565akm_bl_update_status(dev);
397 mutex_unlock(&ddata->mutex);
402 static int acx565akm_bl_get_intensity_locked(struct backlight_device *dev)
404 struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
407 mutex_lock(&ddata->mutex);
408 r = acx565akm_bl_get_intensity(dev);
409 mutex_unlock(&ddata->mutex);
414 static const struct backlight_ops acx565akm_bl_ops = {
415 .get_brightness = acx565akm_bl_get_intensity_locked,
416 .update_status = acx565akm_bl_update_status_locked,
419 /*--------------------Auto Brightness control via Sysfs---------------------*/
421 static const char * const cabc_modes[] = {
422 "off", /* always used when CABC is not supported */
428 static ssize_t show_cabc_mode(struct device *dev,
429 struct device_attribute *attr,
432 struct panel_drv_data *ddata = dev_get_drvdata(dev);
433 const char *mode_str;
437 if (!ddata->has_cabc)
440 mode = get_cabc_mode(ddata);
441 mode_str = "unknown";
442 if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
443 mode_str = cabc_modes[mode];
444 len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
446 return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
449 static ssize_t store_cabc_mode(struct device *dev,
450 struct device_attribute *attr,
451 const char *buf, size_t count)
453 struct panel_drv_data *ddata = dev_get_drvdata(dev);
456 for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
457 const char *mode_str = cabc_modes[i];
458 int cmp_len = strlen(mode_str);
460 if (count > 0 && buf[count - 1] == '\n')
462 if (count != cmp_len)
465 if (strncmp(buf, mode_str, cmp_len) == 0)
469 if (i == ARRAY_SIZE(cabc_modes))
472 if (!ddata->has_cabc && i != 0)
475 mutex_lock(&ddata->mutex);
476 set_cabc_mode(ddata, i);
477 mutex_unlock(&ddata->mutex);
482 static ssize_t show_cabc_available_modes(struct device *dev,
483 struct device_attribute *attr,
486 struct panel_drv_data *ddata = dev_get_drvdata(dev);
490 if (!ddata->has_cabc)
491 return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
494 len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
495 len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
496 i ? " " : "", cabc_modes[i],
497 i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
499 return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
502 static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
503 show_cabc_mode, store_cabc_mode);
504 static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
505 show_cabc_available_modes, NULL);
507 static struct attribute *bldev_attrs[] = {
508 &dev_attr_cabc_mode.attr,
509 &dev_attr_cabc_available_modes.attr,
513 static struct attribute_group bldev_attr_group = {
514 .attrs = bldev_attrs,
517 static int acx565akm_connect(struct omap_dss_device *dssdev)
519 struct panel_drv_data *ddata = to_panel_data(dssdev);
520 struct omap_dss_device *in = ddata->in;
523 if (omapdss_device_is_connected(dssdev))
526 r = in->ops.sdi->connect(in, dssdev);
533 static void acx565akm_disconnect(struct omap_dss_device *dssdev)
535 struct panel_drv_data *ddata = to_panel_data(dssdev);
536 struct omap_dss_device *in = ddata->in;
538 if (!omapdss_device_is_connected(dssdev))
541 in->ops.sdi->disconnect(in, dssdev);
544 static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
546 struct panel_drv_data *ddata = to_panel_data(dssdev);
547 struct omap_dss_device *in = ddata->in;
550 dev_dbg(&ddata->spi->dev, "%s\n", __func__);
552 in->ops.sdi->set_timings(in, &ddata->videomode);
554 if (ddata->datapairs > 0)
555 in->ops.sdi->set_datapairs(in, ddata->datapairs);
557 r = in->ops.sdi->enable(in);
559 pr_err("%s sdi enable failed\n", __func__);
566 if (gpio_is_valid(ddata->reset_gpio))
567 gpio_set_value(ddata->reset_gpio, 1);
569 if (ddata->enabled) {
570 dev_dbg(&ddata->spi->dev, "panel already enabled\n");
575 * We have to meet all the following delay requirements:
576 * 1. tRW: reset pulse width 10usec (7.12.1)
577 * 2. tRT: reset cancel time 5msec (7.12.1)
578 * 3. Providing PCLK,HS,VS signals for 2 frames = ~50msec worst
580 * 4. 120msec before the sleep out command (7.12.1)
584 set_sleep_mode(ddata, 0);
587 /* 5msec between sleep out and the next command. (8.2.16) */
588 usleep_range(5000, 10000);
589 set_display_state(ddata, 1);
590 set_cabc_mode(ddata, ddata->cabc_mode);
592 return acx565akm_bl_update_status(ddata->bl_dev);
595 static void acx565akm_panel_power_off(struct omap_dss_device *dssdev)
597 struct panel_drv_data *ddata = to_panel_data(dssdev);
598 struct omap_dss_device *in = ddata->in;
600 dev_dbg(dssdev->dev, "%s\n", __func__);
605 set_display_state(ddata, 0);
606 set_sleep_mode(ddata, 1);
609 * We have to provide PCLK,HS,VS signals for 2 frames (worst case
610 * ~50msec) after sending the sleep in command and asserting the
611 * reset signal. We probably could assert the reset w/o the delay
612 * but we still delay to avoid possible artifacts. (7.6.1)
616 if (gpio_is_valid(ddata->reset_gpio))
617 gpio_set_value(ddata->reset_gpio, 0);
619 /* FIXME need to tweak this delay */
622 in->ops.sdi->disable(in);
625 static int acx565akm_enable(struct omap_dss_device *dssdev)
627 struct panel_drv_data *ddata = to_panel_data(dssdev);
630 dev_dbg(dssdev->dev, "%s\n", __func__);
632 if (!omapdss_device_is_connected(dssdev))
635 if (omapdss_device_is_enabled(dssdev))
638 mutex_lock(&ddata->mutex);
639 r = acx565akm_panel_power_on(dssdev);
640 mutex_unlock(&ddata->mutex);
644 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
649 static void acx565akm_disable(struct omap_dss_device *dssdev)
651 struct panel_drv_data *ddata = to_panel_data(dssdev);
653 dev_dbg(dssdev->dev, "%s\n", __func__);
655 if (!omapdss_device_is_enabled(dssdev))
658 mutex_lock(&ddata->mutex);
659 acx565akm_panel_power_off(dssdev);
660 mutex_unlock(&ddata->mutex);
662 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
665 static void acx565akm_set_timings(struct omap_dss_device *dssdev,
666 struct omap_video_timings *timings)
668 struct panel_drv_data *ddata = to_panel_data(dssdev);
669 struct omap_dss_device *in = ddata->in;
671 ddata->videomode = *timings;
672 dssdev->panel.timings = *timings;
674 in->ops.sdi->set_timings(in, timings);
677 static void acx565akm_get_timings(struct omap_dss_device *dssdev,
678 struct omap_video_timings *timings)
680 struct panel_drv_data *ddata = to_panel_data(dssdev);
682 *timings = ddata->videomode;
685 static int acx565akm_check_timings(struct omap_dss_device *dssdev,
686 struct omap_video_timings *timings)
688 struct panel_drv_data *ddata = to_panel_data(dssdev);
689 struct omap_dss_device *in = ddata->in;
691 return in->ops.sdi->check_timings(in, timings);
694 static struct omap_dss_driver acx565akm_ops = {
695 .connect = acx565akm_connect,
696 .disconnect = acx565akm_disconnect,
698 .enable = acx565akm_enable,
699 .disable = acx565akm_disable,
701 .set_timings = acx565akm_set_timings,
702 .get_timings = acx565akm_get_timings,
703 .check_timings = acx565akm_check_timings,
705 .get_resolution = omapdss_default_get_resolution,
708 static int acx565akm_probe_pdata(struct spi_device *spi)
710 const struct panel_acx565akm_platform_data *pdata;
711 struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
712 struct omap_dss_device *dssdev, *in;
714 pdata = dev_get_platdata(&spi->dev);
716 ddata->reset_gpio = pdata->reset_gpio;
718 in = omap_dss_find_output(pdata->source);
720 dev_err(&spi->dev, "failed to find video source '%s'\n",
722 return -EPROBE_DEFER;
726 ddata->datapairs = pdata->datapairs;
728 dssdev = &ddata->dssdev;
729 dssdev->name = pdata->name;
734 static int acx565akm_probe_of(struct spi_device *spi)
736 struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
737 struct device_node *np = spi->dev.of_node;
739 ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0);
741 ddata->in = omapdss_of_find_source_for_first_ep(np);
742 if (IS_ERR(ddata->in)) {
743 dev_err(&spi->dev, "failed to find video source\n");
744 return PTR_ERR(ddata->in);
750 static int acx565akm_probe(struct spi_device *spi)
752 struct panel_drv_data *ddata;
753 struct omap_dss_device *dssdev;
754 struct backlight_device *bldev;
755 int max_brightness, brightness;
756 struct backlight_properties props;
759 dev_dbg(&spi->dev, "%s\n", __func__);
761 spi->mode = SPI_MODE_3;
763 ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
767 dev_set_drvdata(&spi->dev, ddata);
771 mutex_init(&ddata->mutex);
773 if (dev_get_platdata(&spi->dev)) {
774 r = acx565akm_probe_pdata(spi);
777 } else if (spi->dev.of_node) {
778 r = acx565akm_probe_of(spi);
782 dev_err(&spi->dev, "platform data missing!\n");
786 if (gpio_is_valid(ddata->reset_gpio)) {
787 r = devm_gpio_request_one(&spi->dev, ddata->reset_gpio,
788 GPIOF_OUT_INIT_LOW, "lcd reset");
793 if (gpio_is_valid(ddata->reset_gpio))
794 gpio_set_value(ddata->reset_gpio, 1);
797 * After reset we have to wait 5 msec before the first
798 * command can be sent.
800 usleep_range(5000, 10000);
802 ddata->enabled = panel_enabled(ddata);
804 r = panel_detect(ddata);
806 if (!ddata->enabled && gpio_is_valid(ddata->reset_gpio))
807 gpio_set_value(ddata->reset_gpio, 0);
810 dev_err(&spi->dev, "%s panel detect error\n", __func__);
814 memset(&props, 0, sizeof(props));
815 props.fb_blank = FB_BLANK_UNBLANK;
816 props.power = FB_BLANK_UNBLANK;
817 props.type = BACKLIGHT_RAW;
819 bldev = backlight_device_register("acx565akm", &ddata->spi->dev,
820 ddata, &acx565akm_bl_ops, &props);
825 ddata->bl_dev = bldev;
826 if (ddata->has_cabc) {
827 r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
830 "%s failed to create sysfs files\n", __func__);
833 ddata->cabc_mode = get_hw_cabc_mode(ddata);
836 max_brightness = 255;
839 brightness = acx565akm_get_actual_brightness(ddata);
843 bldev->props.max_brightness = max_brightness;
844 bldev->props.brightness = brightness;
846 acx565akm_bl_update_status(bldev);
849 ddata->videomode = acx565akm_panel_timings;
851 dssdev = &ddata->dssdev;
852 dssdev->dev = &spi->dev;
853 dssdev->driver = &acx565akm_ops;
854 dssdev->type = OMAP_DISPLAY_TYPE_SDI;
855 dssdev->owner = THIS_MODULE;
856 dssdev->panel.timings = ddata->videomode;
858 r = omapdss_register_display(dssdev);
860 dev_err(&spi->dev, "Failed to register panel\n");
867 sysfs_remove_group(&bldev->dev.kobj, &bldev_attr_group);
869 backlight_device_unregister(bldev);
873 omap_dss_put_device(ddata->in);
877 static int acx565akm_remove(struct spi_device *spi)
879 struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
880 struct omap_dss_device *dssdev = &ddata->dssdev;
881 struct omap_dss_device *in = ddata->in;
883 dev_dbg(&ddata->spi->dev, "%s\n", __func__);
885 sysfs_remove_group(&ddata->bl_dev->dev.kobj, &bldev_attr_group);
886 backlight_device_unregister(ddata->bl_dev);
888 omapdss_unregister_display(dssdev);
890 acx565akm_disable(dssdev);
891 acx565akm_disconnect(dssdev);
893 omap_dss_put_device(in);
898 static const struct of_device_id acx565akm_of_match[] = {
899 { .compatible = "omapdss,sony,acx565akm", },
902 MODULE_DEVICE_TABLE(of, acx565akm_of_match);
904 static struct spi_driver acx565akm_driver = {
907 .of_match_table = acx565akm_of_match,
908 .suppress_bind_attrs = true,
910 .probe = acx565akm_probe,
911 .remove = acx565akm_remove,
914 module_spi_driver(acx565akm_driver);
916 MODULE_AUTHOR("Nokia Corporation");
917 MODULE_DESCRIPTION("acx565akm LCD Driver");
918 MODULE_LICENSE("GPL");