mirror of https://gitee.com/openkylin/linux.git
OMAPDSS: ls037v7dw01: remove platform backlight calls
Sharp ls037v7dw01 driver contains support to call platform backlight functions. These are not used by any board, and can be removed. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Archit Taneja <archit@ti.com>
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058cc3bf90
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02b804893a
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@ -20,7 +20,6 @@
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/backlight.h>
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#include <linux/fb.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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@ -28,7 +27,6 @@
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#include <video/omapdss.h>
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struct sharp_data {
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struct backlight_device *bl;
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};
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static struct omap_video_timings sharp_ls_timings = {
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@ -52,45 +50,10 @@ static struct omap_video_timings sharp_ls_timings = {
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.sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
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};
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static int sharp_ls_bl_update_status(struct backlight_device *bl)
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{
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struct omap_dss_device *dssdev = dev_get_drvdata(&bl->dev);
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int level;
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if (!dssdev->set_backlight)
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return -EINVAL;
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if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
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bl->props.power == FB_BLANK_UNBLANK)
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level = bl->props.brightness;
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else
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level = 0;
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return dssdev->set_backlight(dssdev, level);
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}
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static int sharp_ls_bl_get_brightness(struct backlight_device *bl)
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{
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if (bl->props.fb_blank == FB_BLANK_UNBLANK &&
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bl->props.power == FB_BLANK_UNBLANK)
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return bl->props.brightness;
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return 0;
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}
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static const struct backlight_ops sharp_ls_bl_ops = {
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.get_brightness = sharp_ls_bl_get_brightness,
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.update_status = sharp_ls_bl_update_status,
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};
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static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
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{
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struct backlight_properties props;
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struct backlight_device *bl;
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struct sharp_data *sd;
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int r;
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dssdev->panel.timings = sharp_ls_timings;
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@ -100,37 +63,12 @@ static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
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dev_set_drvdata(&dssdev->dev, sd);
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memset(&props, 0, sizeof(struct backlight_properties));
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props.max_brightness = dssdev->max_backlight_level;
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props.type = BACKLIGHT_RAW;
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bl = backlight_device_register("sharp-ls", &dssdev->dev, dssdev,
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&sharp_ls_bl_ops, &props);
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if (IS_ERR(bl)) {
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r = PTR_ERR(bl);
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kfree(sd);
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return r;
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}
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sd->bl = bl;
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bl->props.fb_blank = FB_BLANK_UNBLANK;
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bl->props.power = FB_BLANK_UNBLANK;
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bl->props.brightness = dssdev->max_backlight_level;
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r = sharp_ls_bl_update_status(bl);
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if (r < 0)
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dev_err(&dssdev->dev, "failed to set lcd brightness\n");
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return 0;
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}
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static void __exit sharp_ls_panel_remove(struct omap_dss_device *dssdev)
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{
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struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
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struct backlight_device *bl = sd->bl;
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bl->props.power = FB_BLANK_POWERDOWN;
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sharp_ls_bl_update_status(bl);
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backlight_device_unregister(bl);
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kfree(sd);
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}
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