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Date: Fri, 25 Jul 2025 20:04:16 -0400 Message-Id: <20250726000416.23960-1-chalianis1@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chali Anis Support the of backlight from device tree and keep compatibility for the legacy gpio backlight. Cc: stable@vger.kernel.org Signed-off-by: Chali Anis --- drivers/staging/fbtft/fbtft-core.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index da9c64152a60..5f0220dbe397 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -170,6 +170,18 @@ void fbtft_register_backlight(struct fbtft_par *par) struct backlight_device *bd; struct backlight_properties bl_props = { 0, }; + bd = devm_of_find_backlight(par->info->device); + if (IS_ERR(bd)) { + dev_warn(par->info->device, + "cannot find of backlight device (%ld), trying legacy\n", + PTR_ERR(bd)); + } + + if (bd) { + par->info->bl_dev = bd; + return; + } + if (!par->gpio.led[0]) { fbtft_par_dbg(DEBUG_BACKLIGHT, par, "%s(): led pin not set, exiting.\n", __func__); -- 2.34.1