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[2003:f6:ef1c:c500:994e:fbde:478:1ce1]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a7dc9d427b4sm411419366b.130.2024.08.04.23.35.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 23:35:11 -0700 (PDT) Message-ID: <55ab0594033908ccfeb302d5c2fc9adf819bc4e1.camel@gmail.com> Subject: Re: [PATCH v2 8/8] iio: adc: ad9467: add digital interface test to debugfs From: Nuno =?ISO-8859-1?Q?S=E1?= To: Jonathan Cameron , Nuno Sa via B4 Relay Cc: nuno.sa@analog.com, linux-iio@vger.kernel.org, Lars-Peter Clausen , Michael Hennerich , Olivier Moysan , Dragos Bogdan Date: Mon, 05 Aug 2024 08:39:12 +0200 In-Reply-To: <20240803143806.17bd4e56@jic23-huawei> References: <20240802-dev-iio-backend-add-debugfs-v2-0-4cb62852f0d0@analog.com> <20240802-dev-iio-backend-add-debugfs-v2-8-4cb62852f0d0@analog.com> <20240803143806.17bd4e56@jic23-huawei> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.3 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sat, 2024-08-03 at 14:38 +0100, Jonathan Cameron wrote: > On Fri, 02 Aug 2024 16:27:06 +0200 > Nuno Sa via B4 Relay wrote: >=20 > > From: Nuno Sa > >=20 > > One useful thing to do (in case of problems) in this high speed devices > > with digital interfaces is to try different test patterns to see if the > > interface is working properly (and properly calibrated). Hence add this > > to debugfs. > >=20 > > On top of this, for some test patterns, the backend may have a matching > > validator block which can be helpful in identifying possible issues. Fo= r > > the other patterns some test equipment must be used so one can look int= o > > the signal and see how it looks like. > >=20 > > Hence, we also add the backend debugfs interface with > > iio_backend_debugfs_add(). > >=20 > > Signed-off-by: Nuno Sa > I'll apply the series, but I would like a docs update for the > debugfs files this patch adds.=C2=A0 That can be a follow up patch. >=20 > Jonathan will do - Nuno S=C3=A1