Received-SPF: pass (google.com: domain of linux-kernel+bounces-144687-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
Date: Mon, 15 Apr 2024 10:40:08 +0300
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: linux-media@vger.kernel.org, tomi.valkeinen@ideasonboard.com,
	Hans de Goede <hdegoede@redhat.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Hans Verkuil <hverkuil@xs4all.nl>,
	Umang Jain <umang.jain@ideasonboard.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/1] media: v4l: Don't turn on privacy LED if streamon
 fails
Message-ID: <20240415074008.GB25078@pendragon.ideasonboard.com>
References: <20240410114712.661186-1-sakari.ailus@linux.intel.com>
 <20240412174621.GA5444@pendragon.ideasonboard.com>
 <ZhzUHs7lpdeMa22l@kekkonen.localdomain>
 <20240415071812.GA25078@pendragon.ideasonboard.com>
 <ZhzXZUyY4Rc4z71y@kekkonen.localdomain>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <ZhzXZUyY4Rc4z71y@kekkonen.localdomain>

On Mon, Apr 15, 2024 at 07:29:41AM +0000, Sakari Ailus wrote:
> On Mon, Apr 15, 2024 at 10:18:12AM +0300, Laurent Pinchart wrote:
> > > Maybe because a large majority is GPIO-controlled?
> > 
> > GPIOs can fail, in particular when they're on I2C GPIO expanders.
> 
> Sure, but gpiod_set_value() return type is also void.

I know, so there's nothing we can do short term.

> It just works... right?

Until it doesn't :-)

-- 
Regards,

Laurent Pinchart