diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c index b3fdbfd0b82d..ae937854403b 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c @@ -1,26 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2009 Nokia Corporation * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> * * Some code and ideas taken from drivers/video/omap/ driver * by Imre Deak. - * - * 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/>. */ #define DSS_SUBSYS_NAME "DISPLAY" #include <linux/kernel.h> +#include <linux/kstrtox.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/sysfs.h> @@ -30,14 +20,14 @@ static ssize_t display_name_show(struct omap_dss_device *dssdev, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", + return sysfs_emit(buf, "%s\n", dssdev->name ? dssdev->name : ""); } static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", omapdss_device_is_enabled(dssdev)); } @@ -47,7 +37,7 @@ static ssize_t display_enabled_store(struct omap_dss_device *dssdev, int r; bool enable; - r = strtobool(buf, &enable); + r = kstrtobool(buf, &enable); if (r) return r; @@ -70,7 +60,7 @@ static ssize_t display_enabled_store(struct omap_dss_device *dssdev, static ssize_t display_tear_show(struct omap_dss_device *dssdev, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", dssdev->driver->get_te ? dssdev->driver->get_te(dssdev) : 0); } @@ -84,7 +74,7 @@ static ssize_t display_tear_store(struct omap_dss_device *dssdev, if (!dssdev->driver->enable_te || !dssdev->driver->get_te) return -ENOENT; - r = strtobool(buf, &te); + r = kstrtobool(buf, &te); if (r) return r; @@ -104,7 +94,7 @@ static ssize_t display_timings_show(struct omap_dss_device *dssdev, char *buf) dssdev->driver->get_timings(dssdev, &t); - return snprintf(buf, PAGE_SIZE, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n", + return sysfs_emit(buf, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n", t.pixelclock, t.x_res, t.hfp, t.hbp, t.hsw, t.y_res, t.vfp, t.vbp, t.vsw); @@ -154,7 +144,7 @@ static ssize_t display_rotate_show(struct omap_dss_device *dssdev, char *buf) if (!dssdev->driver->get_rotate) return -ENOENT; rotate = dssdev->driver->get_rotate(dssdev); - return snprintf(buf, PAGE_SIZE, "%u\n", rotate); + return sysfs_emit(buf, "%u\n", rotate); } static ssize_t display_rotate_store(struct omap_dss_device *dssdev, @@ -182,7 +172,7 @@ static ssize_t display_mirror_show(struct omap_dss_device *dssdev, char *buf) if (!dssdev->driver->get_mirror) return -ENOENT; mirror = dssdev->driver->get_mirror(dssdev); - return snprintf(buf, PAGE_SIZE, "%u\n", mirror); + return sysfs_emit(buf, "%u\n", mirror); } static ssize_t display_mirror_store(struct omap_dss_device *dssdev, @@ -194,7 +184,7 @@ static ssize_t display_mirror_store(struct omap_dss_device *dssdev, if (!dssdev->driver->set_mirror || !dssdev->driver->get_mirror) return -ENOENT; - r = strtobool(buf, &mirror); + r = kstrtobool(buf, &mirror); if (r) return r; @@ -214,7 +204,7 @@ static ssize_t display_wss_show(struct omap_dss_device *dssdev, char *buf) wss = dssdev->driver->get_wss(dssdev); - return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss); + return sysfs_emit(buf, "0x%05x\n", wss); } static ssize_t display_wss_store(struct omap_dss_device *dssdev, @@ -276,6 +266,7 @@ static struct attribute *display_sysfs_attrs[] = { &display_attr_wss.attr, NULL }; +ATTRIBUTE_GROUPS(display_sysfs); static ssize_t display_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) @@ -314,7 +305,7 @@ static const struct sysfs_ops display_sysfs_ops = { static struct kobj_type display_ktype = { .sysfs_ops = &display_sysfs_ops, - .default_attrs = display_sysfs_attrs, + .default_groups = display_sysfs_groups, }; int display_init_sysfs(struct platform_device *pdev) |