[PATCH v10 3/3] drm/panel: Add JDI LT070ME05000 WUXGA DSI Panel
Vinay Simha
simhavcs at gmail.com
Wed Sep 7 06:40:27 UTC 2016
thierry,
please review.
On Fri, Aug 26, 2016 at 8:07 AM, Vinay Simha BN <simhavcs at gmail.com> wrote:
> Add support for the JDI LT070ME05000 WUXGA DSI panel used in
> Nexus 7 2013 devices.
>
> Programming sequence for the panel is was originally found in the
> android-msm-flo-3.4-lollipop-release branch from:
> https://android.googlesource.com/kernel/msm.git
>
> And video mode setting is from dsi-panel-jdi-dualmipi1-video.dtsi
> file in:
> git://codeaurora.org/kernel/msm-3.10.git LNX.LA.3.6_rb1.27
>
> Cc: Archit Taneja <archit.taneja at gmail.com>
> Cc: Rob Clark <robdclark at gmail.com>
> Cc: Sumit Semwal <sumit.semwal at linaro.org>
> Cc: John Stultz <john.stultz at linaro.org>
> Cc: Emil Velikov <emil.l.velikov at gmail.com>
> Cc: Thierry Reding <thierry.reding at gmail.com>
> Cc: David Airlie <airlied at linux.ie>
> Signed-off-by: Sumit Semwal <sumit.semwal at linaro.org>
> Signed-off-by: John Stultz <john.stultz at linaro.org>
> Signed-off-by: Vinay Simha BN <simhavcs at gmail.com>
> Tested-by: John Stultz <john.stultz at linaro.org>
> Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>
>
> ---
> v1:
> * sumit ported to drm/panel framework, john cherry-picked to mainline,
> folded down other fixes from Vinay and Archit, vinay removed interface
> setting cmd mode, video mode panel selected
>
> v2:
> * incorporated code reviews from theiry, archit
> code style, alphabetical soring in Makefile, Kconfig, regulator_bulk,
> arrays of u8, generic helper function, documentation bindings,
>
> v3:
> * dcs backlight support added
> * tested this panel driver in nexus7 2013 device
>
> v4:
> * backlight interface added in the panel driver
> * incorporated width_mm and height_mm suggested by rob herring
>
> v5:
> * theirry review comments incorporated
> panel model naming consistent, alphabetical soring in Kconfig
> Makefile, MAX_BRIGHTNESS dropped, regulator_names, parameterize
> panel width and height, descprition for control display, cabc
> and interface setting, temporary variable removed, consistent
> error reporting and commit message
> * removed tear on/off, scanline, since these are required only
> for command mode panels
>
> v6:
> * emil review comments incorporated
> PANEL_NUM_REGULATORS dropped, return ret added at necessary
> places, if checks dropped for backlight and gpios
>
> v7:
> * emil review comments incorporated
> added ARRAY_SIZE in struct, regulator_bulk_disable in poweroff,
> gpios checks dropped.
> some returns cannot be dropped, since drm panel framework return
> type required.
>
> v8:
> * emil review commnets incorporated for jdi_panel_unprepare,
> dropped the returns (ref: panel-sharp-lq101r1sx01.c) and
> for jdi_panel_prepare(panel_on) it does not return prematurely
> and goes to poweroff if not success
> * few dev_err's for panel_init
>
> v9:
> * function drm_panel_create_dsi_backlight made as static
>
> v10:
> * proper naming conventions and sequence wrt panel datasheet
> (vddp-supply, iovcc-supply,
> enable-gpios, reset-gpios, dcdc-en-gpios)
> * GPIO_ACTIVE_LOW polarity logic for reset-gpios
> ---
> drivers/gpu/drm/panel/Kconfig | 11 +
> drivers/gpu/drm/panel/Makefile | 1 +
> drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 532 +++++++++++++++++++++++++
> 3 files changed, 544 insertions(+)
> create mode 100644 drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
>
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index 1500ab9..62aba97 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -18,6 +18,17 @@ config DRM_PANEL_SIMPLE
> that it can be automatically turned off when the panel goes into a
> low power state.
>
> +config DRM_PANEL_JDI_LT070ME05000
> + tristate "JDI LT070ME05000 WUXGA DSI panel"
> + depends on OF
> + depends on DRM_MIPI_DSI
> + depends on BACKLIGHT_CLASS_DEVICE
> + help
> + Say Y here if you want to enable support for JDI DSI video mode
> + panel as found in Google Nexus 7 (2013) devices.
> + The panel has a 1200(RGB)×1920 (WUXGA) resolution and uses
> + 24 bit per pixel.
> +
> config DRM_PANEL_SAMSUNG_LD9040
> tristate "Samsung LD9040 RGB/SPI panel"
> depends on OF && SPI
> diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> index f277eed..a5c7ec0 100644
> --- a/drivers/gpu/drm/panel/Makefile
> +++ b/drivers/gpu/drm/panel/Makefile
> @@ -1,4 +1,5 @@
> obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
> +obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
> obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
> obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o
> obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o
> diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
> new file mode 100644
> index 0000000..5b2340e
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
> @@ -0,0 +1,532 @@
> +/*
> + * Copyright (C) 2016 InforceComputing
> + * Author: Vinay Simha BN <simhavcs at gmail.com>
> + *
> + * Copyright (C) 2016 Linaro Ltd
> + * Author: Sumit Semwal <sumit.semwal at linaro.org>
> + *
> + * From internet archives, the panel for Nexus 7 2nd Gen, 2013 model is a
> + * JDI model LT070ME05000, and its data sheet is at:
> + * http://panelone.net/en/7-0-inch/JDI_LT070ME05000_7.0_inch-datasheet
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms of the GNU General Public License version 2 as published by
> + * the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License along with
> + * this program. If not, see <http://www.gnu.org/licenses/>.
> + */
> +#include <linux/backlight.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/regulator/consumer.h>
> +
> +#include <drm/drmP.h>
> +#include <drm/drm_crtc.h>
> +#include <drm/drm_mipi_dsi.h>
> +#include <drm/drm_panel.h>
> +
> +#include <video/mipi_display.h>
> +
> +static const char * const regulator_names[] = {
> + "vddp",
> + "iovcc"
> +};
> +
> +struct jdi_panel {
> + struct drm_panel base;
> + struct mipi_dsi_device *dsi;
> +
> + struct regulator_bulk_data supplies[ARRAY_SIZE(regulator_names)];
> +
> + struct gpio_desc *enable_gpio;
> + struct gpio_desc *reset_gpio;
> + struct gpio_desc *dcdc_en_gpio;
> + struct backlight_device *backlight;
> +
> + bool prepared;
> + bool enabled;
> +
> + const struct drm_display_mode *mode;
> +};
> +
> +static inline struct jdi_panel *to_jdi_panel(struct drm_panel *panel)
> +{
> + return container_of(panel, struct jdi_panel, base);
> +}
> +
> +static int jdi_panel_init(struct jdi_panel *jdi)
> +{
> + struct mipi_dsi_device *dsi = jdi->dsi;
> + struct device *dev = &jdi->dsi->dev;
> + int ret;
> +
> + dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_soft_reset(dsi);
> + if (ret < 0)
> + return ret;
> +
> + usleep_range(10000, 20000);
> +
> + ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT << 4);
> + if (ret < 0) {
> + dev_err(dev, "failed to set pixel format: %d\n", ret);
> + return ret;
> + }
> +
> + ret = mipi_dsi_dcs_set_column_address(dsi, 0, jdi->mode->hdisplay - 1);
> + if (ret < 0) {
> + dev_err(dev, "failed to set column address: %d\n", ret);
> + return ret;
> + }
> +
> + ret = mipi_dsi_dcs_set_page_address(dsi, 0, jdi->mode->vdisplay - 1);
> + if (ret < 0) {
> + dev_err(dev, "failed to set page address: %d\n", ret);
> + return ret;
> + }
> +
> + /*
> + * BIT(5) BCTRL = 1 Backlight Control Block On, Brightness registers
> + * are active
> + * BIT(3) BL = 1 Backlight Control On
> + * BIT(2) DD = 0 Display Dimming is Off
> + */
> + ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY,
> + (u8[]){ 0x24 }, 1);
> + if (ret < 0) {
> + dev_err(dev, "failed to write control display: %d\n", ret);
> + return ret;
> + }
> +
> + /* CABC off */
> + ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_POWER_SAVE,
> + (u8[]){ 0x00 }, 1);
> + if (ret < 0) {
> + dev_err(dev, "failed to set cabc off: %d\n", ret);
> + return ret;
> + }
> +
> + ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
> + if (ret < 0) {
> + dev_err(dev, "failed to set exit sleep mode: %d\n", ret);
> + return ret;
> + }
> +
> + msleep(120);
> +
> + ret = mipi_dsi_generic_write(dsi, (u8[]){0xB0, 0x00}, 2);
> + if (ret < 0) {
> + dev_err(dev, "failed to set mcap: %d\n", ret);
> + return ret;
> + }
> +
> + mdelay(10);
> +
> + /* Interface setting, video mode */
> + ret = mipi_dsi_generic_write(dsi, (u8[])
> + {0xB3, 0x26, 0x08, 0x00, 0x20, 0x00}, 6);
> + if (ret < 0) {
> + dev_err(dev, "failed to set display interface setting: %d\n"
> + , ret);
> + return ret;
> + }
> +
> + mdelay(20);
> +
> + ret = mipi_dsi_generic_write(dsi, (u8[]){0xB0, 0x03}, 2);
> + if (ret < 0) {
> + dev_err(dev, "failed to set default values for mcap: %d\n"
> + , ret);
> + return ret;
> + }
> +
> + return 0;
> +}
> +
> +static int jdi_panel_on(struct jdi_panel *jdi)
> +{
> + struct mipi_dsi_device *dsi = jdi->dsi;
> + struct device *dev = &jdi->dsi->dev;
> + int ret;
> +
> + dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_set_display_on(dsi);
> + if (ret < 0)
> + dev_err(dev, "failed to set display on: %d\n", ret);
> +
> + return ret;
> +}
> +
> +static void jdi_panel_off(struct jdi_panel *jdi)
> +{
> + struct mipi_dsi_device *dsi = jdi->dsi;
> + struct device *dev = &jdi->dsi->dev;
> + int ret;
> +
> + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_set_display_off(dsi);
> + if (ret < 0)
> + dev_err(dev, "failed to set display off: %d\n", ret);
> +
> + ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> + if (ret < 0)
> + dev_err(dev, "failed to enter sleep mode: %d\n", ret);
> +
> + msleep(100);
> +}
> +
> +static int jdi_panel_disable(struct drm_panel *panel)
> +{
> + struct jdi_panel *jdi = to_jdi_panel(panel);
> +
> + if (!jdi->enabled)
> + return 0;
> +
> + jdi->backlight->props.power = FB_BLANK_POWERDOWN;
> + backlight_update_status(jdi->backlight);
> +
> + jdi->enabled = false;
> +
> + return 0;
> +}
> +
> +static int jdi_panel_unprepare(struct drm_panel *panel)
> +{
> + struct jdi_panel *jdi = to_jdi_panel(panel);
> + struct device *dev = &jdi->dsi->dev;
> + int ret;
> +
> + if (!jdi->prepared)
> + return 0;
> +
> + jdi_panel_off(jdi);
> +
> + ret = regulator_bulk_disable(ARRAY_SIZE(jdi->supplies), jdi->supplies);
> + if (ret < 0)
> + dev_err(dev, "regulator disable failed, %d\n", ret);
> +
> + gpiod_set_value(jdi->enable_gpio, 0);
> +
> + gpiod_set_value(jdi->reset_gpio, 1);
> +
> + gpiod_set_value(jdi->dcdc_en_gpio, 0);
> +
> + jdi->prepared = false;
> +
> + return 0;
> +}
> +
> +static int jdi_panel_prepare(struct drm_panel *panel)
> +{
> + struct jdi_panel *jdi = to_jdi_panel(panel);
> + struct device *dev = &jdi->dsi->dev;
> + int ret;
> +
> + if (jdi->prepared)
> + return 0;
> +
> + ret = regulator_bulk_enable(ARRAY_SIZE(jdi->supplies), jdi->supplies);
> + if (ret < 0) {
> + dev_err(dev, "regulator enable failed, %d\n", ret);
> + return ret;
> + }
> +
> + msleep(20);
> +
> + gpiod_set_value(jdi->dcdc_en_gpio, 1);
> + usleep_range(10, 20);
> +
> + gpiod_set_value(jdi->reset_gpio, 0);
> + usleep_range(10, 20);
> +
> + gpiod_set_value(jdi->enable_gpio, 1);
> + usleep_range(10, 20);
> +
> + ret = jdi_panel_init(jdi);
> + if (ret < 0) {
> + dev_err(dev, "failed to init panel: %d\n", ret);
> + goto poweroff;
> + }
> +
> + ret = jdi_panel_on(jdi);
> + if (ret < 0) {
> + dev_err(dev, "failed to set panel on: %d\n", ret);
> + goto poweroff;
> + }
> +
> + jdi->prepared = true;
> +
> + return 0;
> +
> +poweroff:
> + ret = regulator_bulk_disable(ARRAY_SIZE(jdi->supplies), jdi->supplies);
> + if (ret < 0)
> + dev_err(dev, "regulator disable failed, %d\n", ret);
> +
> + gpiod_set_value(jdi->enable_gpio, 0);
> +
> + gpiod_set_value(jdi->reset_gpio, 1);
> +
> + gpiod_set_value(jdi->dcdc_en_gpio, 0);
> +
> + return ret;
> +}
> +
> +static int jdi_panel_enable(struct drm_panel *panel)
> +{
> + struct jdi_panel *jdi = to_jdi_panel(panel);
> +
> + if (jdi->enabled)
> + return 0;
> +
> + jdi->backlight->props.power = FB_BLANK_UNBLANK;
> + backlight_update_status(jdi->backlight);
> +
> + jdi->enabled = true;
> +
> + return 0;
> +}
> +
> +static const struct drm_display_mode default_mode = {
> + .clock = 155493,
> + .hdisplay = 1200,
> + .hsync_start = 1200 + 48,
> + .hsync_end = 1200 + 48 + 32,
> + .htotal = 1200 + 48 + 32 + 60,
> + .vdisplay = 1920,
> + .vsync_start = 1920 + 3,
> + .vsync_end = 1920 + 3 + 5,
> + .vtotal = 1920 + 3 + 5 + 6,
> + .vrefresh = 60,
> + .flags = 0,
> +};
> +
> +static int jdi_panel_get_modes(struct drm_panel *panel)
> +{
> + struct drm_display_mode *mode;
> + struct jdi_panel *jdi = to_jdi_panel(panel);
> + struct device *dev = &jdi->dsi->dev;
> +
> + mode = drm_mode_duplicate(panel->drm, &default_mode);
> + if (!mode) {
> + dev_err(dev, "failed to add mode %ux%ux@%u\n",
> + default_mode.hdisplay, default_mode.vdisplay,
> + default_mode.vrefresh);
> + return -ENOMEM;
> + }
> +
> + drm_mode_set_name(mode);
> +
> + drm_mode_probed_add(panel->connector, mode);
> +
> + panel->connector->display_info.width_mm = 95;
> + panel->connector->display_info.height_mm = 151;
> +
> + return 1;
> +}
> +
> +static int dsi_dcs_bl_get_brightness(struct backlight_device *bl)
> +{
> + struct mipi_dsi_device *dsi = bl_get_data(bl);
> + int ret;
> + u16 brightness = bl->props.brightness;
> +
> + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness);
> + if (ret < 0)
> + return ret;
> +
> + dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> +
> + return brightness & 0xff;
> +}
> +
> +static int dsi_dcs_bl_update_status(struct backlight_device *bl)
> +{
> + struct mipi_dsi_device *dsi = bl_get_data(bl);
> + int ret;
> +
> + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_set_display_brightness(dsi, bl->props.brightness);
> + if (ret < 0)
> + return ret;
> +
> + dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> +
> + return 0;
> +}
> +
> +static const struct backlight_ops dsi_bl_ops = {
> + .update_status = dsi_dcs_bl_update_status,
> + .get_brightness = dsi_dcs_bl_get_brightness,
> +};
> +
> +static struct backlight_device *
> +drm_panel_create_dsi_backlight(struct mipi_dsi_device *dsi)
> +{
> + struct device *dev = &dsi->dev;
> + struct backlight_properties props;
> +
> + memset(&props, 0, sizeof(props));
> + props.type = BACKLIGHT_RAW;
> + props.brightness = 255;
> + props.max_brightness = 255;
> +
> + return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
> + &dsi_bl_ops, &props);
> +}
> +
> +static const struct drm_panel_funcs jdi_panel_funcs = {
> + .disable = jdi_panel_disable,
> + .unprepare = jdi_panel_unprepare,
> + .prepare = jdi_panel_prepare,
> + .enable = jdi_panel_enable,
> + .get_modes = jdi_panel_get_modes,
> +};
> +
> +static const struct of_device_id jdi_of_match[] = {
> + { .compatible = "jdi,lt070me05000", },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, jdi_of_match);
> +
> +static int jdi_panel_add(struct jdi_panel *jdi)
> +{
> + struct device *dev = &jdi->dsi->dev;
> + int ret;
> + unsigned int i;
> +
> + jdi->mode = &default_mode;
> +
> + for (i = 0; i < ARRAY_SIZE(jdi->supplies); i++)
> + jdi->supplies[i].supply = regulator_names[i];
> +
> + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(jdi->supplies),
> + jdi->supplies);
> + if (ret < 0) {
> + dev_err(dev, "failed to init regulator, ret=%d\n", ret);
> + return ret;
> + }
> +
> + jdi->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
> + if (IS_ERR(jdi->enable_gpio)) {
> + ret = PTR_ERR(jdi->enable_gpio);
> + dev_err(dev, "cannot get enable-gpio %d\n", ret);
> + return ret;
> + }
> +
> + jdi->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
> + if (IS_ERR(jdi->reset_gpio)) {
> + ret = PTR_ERR(jdi->reset_gpio);
> + dev_err(dev, "cannot get reset-gpios %d\n", ret);
> + return ret;
> + }
> +
> + jdi->dcdc_en_gpio = devm_gpiod_get(dev, "dcdc-en", GPIOD_OUT_LOW);
> + if (IS_ERR(jdi->dcdc_en_gpio)) {
> + ret = PTR_ERR(jdi->dcdc_en_gpio);
> + dev_err(dev, "cannot get dcdc-en-gpio %d\n", ret);
> + return ret;
> + }
> +
> + jdi->backlight = drm_panel_create_dsi_backlight(jdi->dsi);
> + if (IS_ERR(jdi->backlight)) {
> + ret = PTR_ERR(jdi->backlight);
> + dev_err(dev, "failed to register backlight %d\n", ret);
> + return ret;
> + }
> +
> + drm_panel_init(&jdi->base);
> + jdi->base.funcs = &jdi_panel_funcs;
> + jdi->base.dev = &jdi->dsi->dev;
> +
> + ret = drm_panel_add(&jdi->base);
> +
> + return ret;
> +}
> +
> +static void jdi_panel_del(struct jdi_panel *jdi)
> +{
> + if (jdi->base.dev)
> + drm_panel_remove(&jdi->base);
> +}
> +
> +static int jdi_panel_probe(struct mipi_dsi_device *dsi)
> +{
> + struct jdi_panel *jdi;
> + int ret;
> +
> + dsi->lanes = 4;
> + dsi->format = MIPI_DSI_FMT_RGB888;
> + dsi->mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO |
> + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> +
> + jdi = devm_kzalloc(&dsi->dev, sizeof(*jdi), GFP_KERNEL);
> + if (!jdi)
> + return -ENOMEM;
> +
> + mipi_dsi_set_drvdata(dsi, jdi);
> +
> + jdi->dsi = dsi;
> +
> + ret = jdi_panel_add(jdi);
> + if (ret < 0)
> + return ret;
> +
> + return mipi_dsi_attach(dsi);
> +}
> +
> +static int jdi_panel_remove(struct mipi_dsi_device *dsi)
> +{
> + struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi);
> + int ret;
> +
> + ret = jdi_panel_disable(&jdi->base);
> + if (ret < 0)
> + dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
> +
> + ret = mipi_dsi_detach(dsi);
> + if (ret < 0)
> + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n",
> + ret);
> +
> + drm_panel_detach(&jdi->base);
> + jdi_panel_del(jdi);
> +
> + return 0;
> +}
> +
> +static void jdi_panel_shutdown(struct mipi_dsi_device *dsi)
> +{
> + struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi);
> +
> + jdi_panel_disable(&jdi->base);
> +}
> +
> +static struct mipi_dsi_driver jdi_panel_driver = {
> + .driver = {
> + .name = "panel-jdi-lt070me05000",
> + .of_match_table = jdi_of_match,
> + },
> + .probe = jdi_panel_probe,
> + .remove = jdi_panel_remove,
> + .shutdown = jdi_panel_shutdown,
> +};
> +module_mipi_dsi_driver(jdi_panel_driver);
> +
> +MODULE_AUTHOR("Sumit Semwal <sumit.semwal at linaro.org>");
> +MODULE_AUTHOR("Vinay Simha BN <simhavcs at gmail.com>");
> +MODULE_DESCRIPTION("JDI LT070ME05000 WUXGA");
> +MODULE_LICENSE("GPL v2");
> --
> 2.1.2
>
--
regards,
vinaysimha
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