From nobody Fri Apr 3 12:36:23 2026 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 6539B2FFDCB; Fri, 20 Feb 2026 16:46:28 +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=1771605988; cv=none; b=ex2KXCNq3MzYr55R5EAW1eXT1xddtqDc1lDYgEzRoqxM1vLKUuSs4BlLdNGc8VzSoYTfsHPGzDVr0fuKAmyCPnE2+qYbM1lt3LCkahNbQmQSdZ1MXIdtCdjEUy60G18aSnE5L0Y37pZjIBTfALe4p8uEle31nDk9pUFmACmbe2I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771605988; c=relaxed/simple; bh=9+odTQuGjwuDd7d4LuL+kXPrT4LFEcQA9hbZMWMqEQs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=NSXDTVtrQLG9Aq7xoY8kJKY/+ErORkxgmbbj0S60dU+QwS7BUAtdcB20zzvnBNmV5jyZy2uikP+bZzujXi6Lo6tNiqf7BkoeCoS7DkRq2hSnhOete1Gg5s60Fx2NdvVjIxYAYNPOzz5FSslvtqzR4JWg31URJhonq1KRQKyjcV0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aIpbCNtI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aIpbCNtI" Received: by smtp.kernel.org (Postfix) with ESMTPS id 35EBBC19424; Fri, 20 Feb 2026 16:46:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771605988; bh=9+odTQuGjwuDd7d4LuL+kXPrT4LFEcQA9hbZMWMqEQs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=aIpbCNtIR+mBNkxAjJXarKV3uR7DxGYLtw8RrrZxU9rWL6NjywSVRhiL5qflx1g/U jJrVbx/eQ19XSUebR66V/lrYXpMcv72nS7f4s4e1WRxZa7JGf3UmLCLVTHL9/sLJUG Tw3rOBzqlXpsfhgzEJHsk0MSZ25aDLec8MBCX1ez1Qts3gbD1vHgtTGcRhizyZ8B/2 c0NuFUsYvkHo6pj93ij/KtcokGE9R5y8sTGw/dTKVBs2snLzuDUwbwjKwu5tXXhq6S Eh7uTY7HlcxppfJfRo+g3taRqFzWAGgXvgV2hWCt7kOU5NNjZukIFsCKROQqB/LlFG OLTMMxjRfiHsw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E288C5AD44; Fri, 20 Feb 2026 16:46:28 +0000 (UTC) From: Rodrigo Alencar via B4 Relay Date: Fri, 20 Feb 2026 16:46:12 +0000 Subject: [PATCH RFC 8/8] iio: frequency: ad9910: add channel labels Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260220-ad9910-iio-driver-v1-8-3b264aa48a10@analog.com> References: <20260220-ad9910-iio-driver-v1-0-3b264aa48a10@analog.com> In-Reply-To: <20260220-ad9910-iio-driver-v1-0-3b264aa48a10@analog.com> To: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Rodrigo Alencar X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1771605986; l=1464; i=rodrigo.alencar@analog.com; s=default; h=from:subject:message-id; bh=XVRMytzjE0Xjg264u9puMX+fiQxZ2hkudN/VqdIWRLk=; b=5SaIsbhoNyh6zvARQPcFhGGl1gTCcLezdZHcHhu0tnqnvxY6Rl6ozdCQ2urKHFjRFx6uWdemu mCfxMLVBs8tAgqn63Km3Kna/REqHbpQRL+6EuIKW9WGWJAg+1J8Irlq X-Developer-Key: i=rodrigo.alencar@analog.com; a=ed25519; pk=ULeHbgU/OYh/PG/4anHDfLgldFItQHAhOktYRVLMFRo= X-Endpoint-Received: by B4 Relay for rodrigo.alencar@analog.com/default with auth_id=561 X-Original-From: Rodrigo Alencar Reply-To: rodrigo.alencar@analog.com From: Rodrigo Alencar Add human-readable labels for all AD9910 IIO channels via the read_label callback: single_tone, parallel_port, digital_ramp_generator, ram_control, and output_shift_keying. Signed-off-by: Rodrigo Alencar --- drivers/iio/frequency/ad9910.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/iio/frequency/ad9910.c b/drivers/iio/frequency/ad9910.c index b1540b157a0e..e983614805b4 100644 --- a/drivers/iio/frequency/ad9910.c +++ b/drivers/iio/frequency/ad9910.c @@ -1814,10 +1814,26 @@ static const struct attribute_group ad9910_attrs_gr= oup =3D { .bin_attrs =3D ad9910_bin_attrs, }; =20 +static const char * const ad9910_channel_str[] =3D { + [AD9910_CHANNEL_SINGLE_TONE] =3D "single_tone", + [AD9910_CHANNEL_PARALLEL_PORT] =3D "parallel_port", + [AD9910_CHANNEL_DRG] =3D "digital_ramp_generator", + [AD9910_CHANNEL_RAM] =3D "ram_control", + [AD9910_CHANNEL_OSK] =3D "output_shift_keying", +}; + +static int ad9910_read_label(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + char *label) +{ + return sprintf(label, "%s\n", ad9910_channel_str[chan->channel]); +} + static const struct iio_info ad9910_info =3D { .read_raw =3D ad9910_read_raw, .write_raw =3D ad9910_write_raw, .write_raw_get_fmt =3D ad9910_write_raw_get_fmt, + .read_label =3D ad9910_read_label, .attrs =3D &ad9910_attrs_group, .debugfs_reg_access =3D &ad9910_reg_access, }; --=20 2.43.0