From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751522AbeFAITm (ORCPT ); Fri, 1 Jun 2018 04:19:42 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:37081 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750961AbeFAITa (ORCPT ); Fri, 1 Jun 2018 04:19:30 -0400 X-Google-Smtp-Source: ADUXVKI+0gebShQAOrAeeOimMuseGGkE4LfYPE5gz5jLWKWegqcqXWkt9zZN3rRUSqx7EXPWCRq0SA== From: Neil Armstrong To: airlied@linux.ie, hans.verkuil@cisco.com, lee.jones@linaro.org, olof@lixom.net, seanpaul@google.com Cc: Neil Armstrong , sadolfsson@google.com, felixe@google.com, bleung@google.com, darekm@google.com, marcheu@chromium.org, fparent@baylibre.com, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, eballetbo@gmail.com Subject: [PATCH v7 5/6] mfd: cros_ec_dev: Add CEC sub-device registration Date: Fri, 1 Jun 2018 10:19:13 +0200 Message-Id: <1527841154-24832-6-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1527841154-24832-1-git-send-email-narmstrong@baylibre.com> References: <1527841154-24832-1-git-send-email-narmstrong@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The EC can expose a CEC bus, thus add the cros-ec-cec MFD sub-device when the CEC feature bit is present. Signed-off-by: Neil Armstrong Reviewed-by: Enric Balletbo i Serra Acked-by: Hans Verkuil --- drivers/mfd/cros_ec_dev.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index 1d6dc5c..272969e 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -383,6 +383,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) kfree(msg); } +static const struct mfd_cell cros_ec_cec_cells[] = { + { .name = "cros-ec-cec" } +}; + static const struct mfd_cell cros_ec_rtc_cells[] = { { .name = "cros-ec-rtc" } }; @@ -426,6 +430,18 @@ static int ec_device_probe(struct platform_device *pdev) if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) cros_ec_sensors_register(ec); + /* Check whether this EC instance has CEC host command support */ + if (cros_ec_check_features(ec, EC_FEATURE_CEC)) { + retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO, + cros_ec_cec_cells, + ARRAY_SIZE(cros_ec_cec_cells), + NULL, 0, NULL); + if (retval) + dev_err(ec->dev, + "failed to add cros-ec-cec device: %d\n", + retval); + } + /* Check whether this EC instance has RTC host command support */ if (cros_ec_check_features(ec, EC_FEATURE_RTC)) { retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO, -- 2.7.4