From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 49F3528D83F; Wed, 23 Apr 2025 15:11:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745421060; cv=none; b=qkVMmjtLN2yAhIWCfJHDk2pPDUxX1fwe6B+Z71DMIG3r8ATs2lzZd/+Fj2FrN5kySgzkSGv4biT/ohjlimw0gtS7Uiyi8nDI3qrIqWI3vSc0gnIVHcUZuu339r5JeMB2gFaH3Fs32Qbc3EAWaFb/wi7FtmRvuSoP+FdCR6c4WLU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745421060; c=relaxed/simple; bh=vYi7b8G8mtqDazpYeVtS62KfVpcLXQLdTZ6o2TXVz+k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VgxRec66xgKG/RK+uUp5gsrAfpgrVMudVj+HCdAFZIlJoJTLiszVdsXIEtPnx8ejDt+sSS5OwOy4YwKX0Iqnk76pcqWH2GHnZMuiO29EmMoh2ir/8gobHU7aVMDwWI3tBomLr88VbL3vmTcRlozo8D6X9p0FyA/qqLYtR6GOCnQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VTvlt3Hs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VTvlt3Hs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF299C4CEE2; Wed, 23 Apr 2025 15:10:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745421060; bh=vYi7b8G8mtqDazpYeVtS62KfVpcLXQLdTZ6o2TXVz+k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VTvlt3HsZ1rT4K9nDTnNNm6ZcMKqsL14YdgAT/RCAMkvvSlp0411iV1rxWSExq26I Sj3aZ3WFOnzVdoE+JkpNN1XTT8ayg0Wzk67C4FFJraxKueEVPUKQ0u9vFjzJEr85+M 6gsp4nnPg2yCX0aAqdqrcMhduqrsZwtnGAROwP/Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sakari Ailus , Dave Stevenson , Hans Verkuil Subject: [PATCH 6.6 143/393] media: i2c: ov7251: Introduce 1 ms delay between regulators and en GPIO Date: Wed, 23 Apr 2025 16:40:39 +0200 Message-ID: <20250423142649.281817720@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250423142643.246005366@linuxfoundation.org> References: <20250423142643.246005366@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sakari Ailus commit 3d391292cdd53984ec1b9a1f6182a62a62751e03 upstream. Lift the xshutdown (enable) GPIO 1 ms after enabling the regulators, as required by the sensor's power-up sequence. Fixes: d30bb512da3d ("media: Add a driver for the ov7251 camera sensor") Cc: stable@vger.kernel.org Signed-off-by: Sakari Ailus Reviewed-by: Dave Stevenson Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/media/i2c/ov7251.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/media/i2c/ov7251.c +++ b/drivers/media/i2c/ov7251.c @@ -922,6 +922,8 @@ static int ov7251_set_power_on(struct de return ret; } + usleep_range(1000, 1100); + gpiod_set_value_cansleep(ov7251->enable_gpio, 1); /* wait at least 65536 external clock cycles */