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([171.61.167.190]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a951a636aasm23336005ad.12.2026.02.06.04.57.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Feb 2026 04:57:18 -0800 (PST) From: Atharva Tiwari To: Cc: Lukas Wunner , Atharva Tiwari , Ard Biesheuvel , Hans de Goede , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH 2/2] platform/apple-gmux: use apple_brightness to save brightness to EFI Date: Fri, 6 Feb 2026 12:56:22 +0000 Message-ID: <20260206125641.12983-3-atharvatiwarilinuxdev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260206125641.12983-1-atharvatiwarilinuxdev@gmail.com> References: <20260206125641.12983-1-atharvatiwarilinuxdev@gmail.com> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit use apple_brightness to save brightness to EFI. (tested on iMac20,1) Signed-off-by: Atharva Tiwari --- drivers/platform/x86/apple-gmux.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 1417e230edbd..cfb20c115eb0 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -960,6 +961,12 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) } gmux_init_debugfs(gmux_data); + if (IS_ENABLED(CONFIG_APPLE_BRIGHTNESS)) { + ret = apple_brightness_probe(gmux_data->bdev, &gmux_get_brightness); + if (ret) + pr_warn("Unable to Enable EFI brightness saver: %d\n", ret); + } + return 0; err_register_handler: -- 2.43.0