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staging: fbtft: fbtft-core: define backlight_ops statically

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instead of devm_kzalloc'ing them

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport 2015-09-03 08:13:11 +03:00 committed by Greg Kroah-Hartman
parent e7f506bd0e
commit c18d116d92
1 changed files with 6 additions and 9 deletions
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15
drivers/staging/fbtft/fbtft-core.c
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@ -276,11 +276,15 @@ void fbtft_unregister_backlight(struct fbtft_par *par)
} }
} }
static const struct backlight_ops fbtft_bl_ops = {
.get_brightness = fbtft_backlight_get_brightness,
.update_status = fbtft_backlight_update_status,
};
void fbtft_register_backlight(struct fbtft_par *par) void fbtft_register_backlight(struct fbtft_par *par)
{ {
struct backlight_device *bd; struct backlight_device *bd;
struct backlight_properties bl_props = { 0, }; struct backlight_properties bl_props = { 0, };
struct backlight_ops *bl_ops;
fbtft_par_dbg(DEBUG_BACKLIGHT, par, "%s()\n", __func__); fbtft_par_dbg(DEBUG_BACKLIGHT, par, "%s()\n", __func__);
@ -290,13 +294,6 @@ void fbtft_register_backlight(struct fbtft_par *par)
return; return;
} }
bl_ops = devm_kzalloc(par->info->device, sizeof(struct backlight_ops),
GFP_KERNEL);
if (!bl_ops)
return;
bl_ops->get_brightness = fbtft_backlight_get_brightness;
bl_ops->update_status = fbtft_backlight_update_status;
bl_props.type = BACKLIGHT_RAW; bl_props.type = BACKLIGHT_RAW;
/* Assume backlight is off, get polarity from current state of pin */ /* Assume backlight is off, get polarity from current state of pin */
bl_props.power = FB_BLANK_POWERDOWN; bl_props.power = FB_BLANK_POWERDOWN;
@ -304,7 +301,7 @@ void fbtft_register_backlight(struct fbtft_par *par)
bl_props.state |= BL_CORE_DRIVER1; bl_props.state |= BL_CORE_DRIVER1;
bd = backlight_device_register(dev_driver_string(par->info->device), bd = backlight_device_register(dev_driver_string(par->info->device),
par->info->device, par, bl_ops, &bl_props); par->info->device, par, &fbtft_bl_ops, &bl_props);
if (IS_ERR(bd)) { if (IS_ERR(bd)) {
dev_err(par->info->device, dev_err(par->info->device,
"cannot register backlight device (%ld)\n", "cannot register backlight device (%ld)\n",