[2/3] backlight: mark struct backlight_ops const

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index b765790..c86c401 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -366,7 +366,7 @@  static int acpi_video_set_brightness(struct backlight_device *bd)
 				vd->brightness->levels[request_level]);
 }
 
-static struct backlight_ops acpi_backlight_ops = {
+static const struct backlight_ops acpi_backlight_ops = {
 	.get_brightness = acpi_video_get_brightness,
 	.update_status  = acpi_video_set_brightness,
 };
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 20564f8..9a8c990 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -58,7 +58,7 @@  static int nv40_set_intensity(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops nv40_bl_ops = {
+static const struct backlight_ops nv40_bl_ops = {
 	.options = BL_CORE_SUSPENDRESUME,
 	.get_brightness = nv40_get_intensity,
 	.update_status = nv40_set_intensity,
@@ -81,7 +81,7 @@  static int nv50_set_intensity(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops nv50_bl_ops = {
+static const struct backlight_ops nv50_bl_ops = {
 	.options = BL_CORE_SUSPENDRESUME,
 	.get_brightness = nv50_get_intensity,
 	.update_status = nv50_set_intensity,
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index a348bb0..ecd9b3f 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -15,7 +15,7 @@ 
 
 #define MAX_PMU_LEVEL 0xFF
 
-static struct backlight_ops pmu_backlight_data;
+static const struct backlight_ops pmu_backlight_data;
 static DEFINE_SPINLOCK(pmu_backlight_lock);
 static int sleeping, uses_pmu_bl;
 static u8 bl_curve[FB_BACKLIGHT_LEVELS];
@@ -115,7 +115,7 @@  static int pmu_backlight_get_brightness(struct backlight_device *bd)
 	return bd->props.brightness;
 }
 
-static struct backlight_ops pmu_backlight_data = {
+static const struct backlight_ops pmu_backlight_data = {
 	.get_brightness	= pmu_backlight_get_brightness,
 	.update_status	= pmu_backlight_update_status,
 
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 07d14df..f70bd41 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -915,7 +915,7 @@  static int update_bl_status(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops acer_bl_ops = {
+static const struct backlight_ops acer_bl_ops = {
 	.get_brightness = read_brightness,
 	.update_status = update_bl_status,
 };
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 61a1c75..88e8554 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -251,7 +251,7 @@  static struct backlight_device *asus_backlight_device;
  */
 static int read_brightness(struct backlight_device *bd);
 static int update_bl_status(struct backlight_device *bd);
-static struct backlight_ops asusbl_ops = {
+static const struct backlight_ops asusbl_ops = {
 	.get_brightness = read_brightness,
 	.update_status = update_bl_status,
 };
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index c1d2aee..9980d51 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -1464,7 +1464,7 @@  static int asus_hotk_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static struct backlight_ops asus_backlight_data = {
+static const struct backlight_ops asus_backlight_data = {
 	.get_brightness = read_brightness,
 	.update_status  = set_brightness_status,
 };
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index ed90082..bfae789 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -452,7 +452,7 @@  static int cmpc_bl_update_status(struct backlight_device *bd)
 		return -1;
 }
 
-static struct backlight_ops cmpc_bl_ops = {
+static const struct backlight_ops cmpc_bl_ops = {
 	.get_brightness = cmpc_bl_get_brightness,
 	.update_status = cmpc_bl_update_status
 };
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 1a387e7..2bd6c65 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -162,7 +162,7 @@  static int bl_update_status(struct backlight_device *b)
 	return set_lcd_level(b->props.brightness);
 }
 
-static struct backlight_ops compalbl_ops = {
+static const struct backlight_ops compalbl_ops = {
 	.get_brightness = bl_get_brightness,
 	.update_status	= bl_update_status,
 };
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 3780994..55640e5 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -333,7 +333,7 @@  static int dell_get_intensity(struct backlight_device *bd)
 	return buffer.output[1];
 }
 
-static struct backlight_ops dell_ops = {
+static const struct backlight_ops dell_ops = {
 	.get_brightness = dell_get_intensity,
 	.update_status  = dell_send_intensity,
 };
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index e2be6bb..4f77774 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1096,7 +1096,7 @@  static int update_bl_status(struct backlight_device *bd)
 	return set_brightness(bd, bd->props.brightness);
 }
 
-static struct backlight_ops eeepcbl_ops = {
+static const struct backlight_ops eeepcbl_ops = {
 	.get_brightness = read_brightness,
 	.update_status = update_bl_status,
 };
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 5f3320d..b6a0941 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -436,7 +436,7 @@  static int bl_update_status(struct backlight_device *b)
 	return ret;
 }
 
-static struct backlight_ops fujitsubl_ops = {
+static const struct backlight_ops fujitsubl_ops = {
 	.get_brightness = bl_get_brightness,
 	.update_status = bl_update_status,
 };
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 759763d..1093ba2 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -161,7 +161,7 @@  static int bl_update_status(struct backlight_device *b)
 	return set_lcd_level(b->props.brightness);
 }
 
-static struct backlight_ops msibl_ops = {
+static const struct backlight_ops msibl_ops = {
 	.get_brightness = bl_get_brightness,
 	.update_status  = bl_update_status,
 };
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index f5f70d4..5f7cff1 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -138,7 +138,7 @@  static int bl_set_status(struct backlight_device *bd)
 	return msi_wmi_set_block(0, backlight_map[bright]);
 }
 
-static struct backlight_ops msi_backlight_ops = {
+static const struct backlight_ops msi_backlight_ops = {
 	.get_brightness	= bl_get,
 	.update_status	= bl_set_status,
 };
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index fe7cf01..9012d8d 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -352,7 +352,7 @@  static int bl_set_status(struct backlight_device *bd)
 	return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright);
 }
 
-static struct backlight_ops pcc_backlight_ops = {
+static const struct backlight_ops pcc_backlight_ops = {
 	.get_brightness	= bl_get,
 	.update_status	= bl_set_status,
 };
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 3f71a60..75481e6 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -853,7 +853,7 @@  static int sony_backlight_get_brightness(struct backlight_device *bd)
 }
 
 static struct backlight_device *sony_backlight_device;
-static struct backlight_ops sony_backlight_ops = {
+static const struct backlight_ops sony_backlight_ops = {
 	.update_status = sony_backlight_update_status,
 	.get_brightness = sony_backlight_get_brightness,
 };
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index e67e4fe..950a2f7 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6112,7 +6112,7 @@  static void tpacpi_brightness_notify_change(void)
 			       BACKLIGHT_UPDATE_HOTKEY);
 }
 
-static struct backlight_ops ibm_backlight_data = {
+static const struct backlight_ops ibm_backlight_data = {
 	.get_brightness = brightness_get,
 	.update_status  = brightness_update_status,
 };
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 77bf5d8..0f0b69e 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -706,7 +706,7 @@  static acpi_status remove_device(void)
 	return AE_OK;
 }
 
-static struct backlight_ops toshiba_backlight_data = {
+static const struct backlight_ops toshiba_backlight_data = {
         .get_brightness = get_lcd,
         .update_status  = set_lcd_status,
 };
diff --git a/drivers/staging/samsung-laptop/samsung-laptop.c b/drivers/staging/samsung-laptop/samsung-laptop.c
index 4877138..0cf2d58 100644
--- a/drivers/staging/samsung-laptop/samsung-laptop.c
+++ b/drivers/staging/samsung-laptop/samsung-laptop.c
@@ -268,7 +268,7 @@  static int update_status(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops backlight_ops = {
+static const struct backlight_ops backlight_ops = {
 	.get_brightness	= get_brightness,
 	.update_status	= update_status,
 };
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 1eb9e41..ef79ca2 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -179,7 +179,7 @@  static int appledisplay_bl_get_brightness(struct backlight_device *bd)
 		return pdata->msgdata[1];
 }
 
-static struct backlight_ops appledisplay_bl_data = {
+static const struct backlight_ops appledisplay_bl_data = {
 	.get_brightness	= appledisplay_bl_get_brightness,
 	.update_status	= appledisplay_bl_update_status,
 };
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 3d886c6..22ee7f8 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -110,7 +110,7 @@  static int atmel_bl_get_brightness(struct backlight_device *bl)
 	return lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL);
 }
 
-static struct backlight_ops atmel_lcdc_bl_ops = {
+static const struct backlight_ops atmel_lcdc_bl_ops = {
 	.update_status = atmel_bl_update_status,
 	.get_brightness = atmel_bl_get_brightness,
 };
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index e4e4d43..137cd34 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1787,7 +1787,7 @@  static int aty128_bl_get_brightness(struct backlight_device *bd)
 	return bd->props.brightness;
 }
 
-static struct backlight_ops aty128_bl_data = {
+static const struct backlight_ops aty128_bl_data = {
 	.get_brightness	= aty128_bl_get_brightness,
 	.update_status	= aty128_bl_update_status,
 };
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 1ddeb4c..fc4e221 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2225,7 +2225,7 @@  static int aty_bl_get_brightness(struct backlight_device *bd)
 	return bd->props.brightness;
 }
 
-static struct backlight_ops aty_bl_data = {
+static const struct backlight_ops aty_bl_data = {
 	.get_brightness = aty_bl_get_brightness,
 	.update_status	= aty_bl_update_status,
 };
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 1a056ad..221bd6a 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -127,7 +127,7 @@  static int radeon_bl_get_brightness(struct backlight_device *bd)
 	return bd->props.brightness;
 }
 
-static struct backlight_ops radeon_bl_data = {
+static const struct backlight_ops radeon_bl_data = {
 	.get_brightness = radeon_bl_get_brightness,
 	.update_status	= radeon_bl_update_status,
 };
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index e49ae5e..db4e6f7 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -463,7 +463,7 @@  static int bl_get_brightness(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops bfin_lq043fb_bl_ops = {
+static const struct backlight_ops bfin_lq043fb_bl_ops = {
 	.get_brightness = bl_get_brightness,
 };
 
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 2549c53..bc204c6 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -381,7 +381,7 @@  static int bl_get_brightness(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops bfin_lq043fb_bl_ops = {
+static const struct backlight_ops bfin_lq043fb_bl_ops = {
 	.get_brightness = bl_get_brightness,
 };
 
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index 443e3c8..c443d6a 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -87,7 +87,7 @@  static int nvidia_bl_get_brightness(struct backlight_device *bd)
 	return bd->props.brightness;
 }
 
-static struct backlight_ops nvidia_bl_ops = {
+static const struct backlight_ops nvidia_bl_ops = {
 	.get_brightness = nvidia_bl_get_brightness,
 	.update_status	= nvidia_bl_update_status,
 };
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 1f01dfc..a5f7f82 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -313,7 +313,7 @@  static int taal_bl_get_intensity(struct backlight_device *dev)
 	return 0;
 }
 
-static struct backlight_ops taal_bl_ops = {
+static const struct backlight_ops taal_bl_ops = {
 	.get_brightness = taal_bl_get_intensity,
 	.update_status  = taal_bl_update_status,
 };
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index d94c57f..912984c 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -331,7 +331,7 @@  static int riva_bl_get_brightness(struct backlight_device *bd)
 	return bd->props.brightness;
 }
 
-static struct backlight_ops riva_bl_ops = {
+static const struct backlight_ops riva_bl_ops = {
 	.get_brightness = riva_bl_get_brightness,
 	.update_status	= riva_bl_update_status,
 };