From patchwork Tue Feb 20 09:28:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umang Jain X-Patchwork-Id: 13563745 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 89D73612CB; Tue, 20 Feb 2024 09:28:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708421316; cv=none; b=J9OKsSLEKuXS6UMXj0wMFgapWrOQUIQeqR8c/GRP6BOmLf2gyLyKxau3yDRifUmXW5pCT15X3n9K4KY9jYODgvuX6wvZVgTHubnt3SmX9NcieW+nkBEN0GU3L6SrYdhgfu9UP1vkF/tikV0y0NyAxL8ckV3fLMmvTCsOPZxY06E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708421316; c=relaxed/simple; bh=XipfuQdTOnh77bpSpgYNKleDJ+dxjzI8KT+7+T0Y2ww=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pevqB7fqGk1i6gsL7yB21Ushi4uiN5qv8DjsGC88YuWhQwu43KveGTM9HD+gk3FcmC2zps0NG5WpIA9qr04rpgryWGaqBNvKyVncKuq4JzsspAYFvkv8TgL9qKQXGqNxc3OGeiLwmAQx1L0XK8PpT1M+K6fiBJljqp8BqCWNDQg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=jiMrrOL5; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="jiMrrOL5" Received: from umang.jain (unknown [103.86.18.159]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7C03314B0; Tue, 20 Feb 2024 10:28:24 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1708421306; bh=XipfuQdTOnh77bpSpgYNKleDJ+dxjzI8KT+7+T0Y2ww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jiMrrOL5lo7Kxaj6OlAd+WFp+0ajFQf5+uFwaQfiBpFcwAt6UNLN/8xgf4WxBohI2 ePHsWV/vHlglSpsUk3yMRtb2Sy8M38Kuepe75EtaHgnRiikQaP7gqtne9B43H9/Dbr xaCpQy0BKCZDKHrszUzF8esjEdiWRswaIKY2v4Xs= From: Umang Jain To: linux-media@vger.kernel.org Cc: Kieran Bingham , Mauro Carvalho Chehab , open list , Sakari Ailus , Umang Jain Subject: [PATCH v3 2/5] media: imx335: Use v4l2_link_freq_to_bitmap helper Date: Tue, 20 Feb 2024 14:58:18 +0530 Message-ID: <20240220092821.1993-3-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240220092821.1993-1-umang.jain@ideasonboard.com> References: <20240220092821.1993-1-umang.jain@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use the v4l2_link_freq_to_bitmap() helper to figure out which driver-supported link frequencies can be used on a given system. Signed-off-by: Umang Jain --- drivers/media/i2c/imx335.c | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c index 3d3848a58fa7..e34e34503dda 100644 --- a/drivers/media/i2c/imx335.c +++ b/drivers/media/i2c/imx335.c @@ -49,7 +49,7 @@ #define IMX335_INCLK_RATE 24000000 /* CSI2 HW configuration */ -#define IMX335_LINK_FREQ 594000000 +#define IMX335_LINK_FREQ 594000000LL #define IMX335_NUM_DATA_LANES 4 #define IMX335_REG_MIN 0x00 @@ -134,6 +134,7 @@ struct imx335_mode { * @vblank: Vertical blanking in lines * @cur_mode: Pointer to current selected sensor mode * @mutex: Mutex for serializing sensor controls + * @link_freq_bitmap: Menu bitmap for link_freq_ctrl * @cur_mbus_code: Currently selected media bus format code */ struct imx335 { @@ -157,6 +158,7 @@ struct imx335 { u32 vblank; const struct imx335_mode *cur_mode; struct mutex mutex; + unsigned long link_freq_bitmap; u32 cur_mbus_code; }; @@ -405,7 +407,8 @@ static int imx335_update_controls(struct imx335 *imx335, { int ret; - ret = __v4l2_ctrl_s_ctrl(imx335->link_freq_ctrl, mode->link_freq_idx); + ret = __v4l2_ctrl_s_ctrl(imx335->link_freq_ctrl, + __ffs(imx335->link_freq_bitmap)); if (ret) return ret; @@ -691,6 +694,13 @@ static int imx335_init_state(struct v4l2_subdev *sd, fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; imx335_fill_pad_format(imx335, &supported_mode, &fmt); + mutex_lock(&imx335->mutex); + __v4l2_ctrl_modify_range(imx335->link_freq_ctrl, 0, + __fls(imx335->link_freq_bitmap), + ~(imx335->link_freq_bitmap), + __ffs(imx335->link_freq_bitmap)); + mutex_unlock(&imx335->mutex); + return imx335_set_pad_format(sd, sd_state, &fmt); } @@ -939,19 +949,10 @@ static int imx335_parse_hw_config(struct imx335 *imx335) goto done_endpoint_free; } - if (!bus_cfg.nr_of_link_frequencies) { - dev_err(imx335->dev, "no link frequencies defined\n"); - ret = -EINVAL; - goto done_endpoint_free; - } - - for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++) - if (bus_cfg.link_frequencies[i] == IMX335_LINK_FREQ) - goto done_endpoint_free; - - dev_err(imx335->dev, "no compatible link frequencies found\n"); - - ret = -EINVAL; + ret = v4l2_link_freq_to_bitmap(imx335->dev, bus_cfg.link_frequencies, + bus_cfg.nr_of_link_frequencies, + link_freq, ARRAY_SIZE(link_freq), + &imx335->link_freq_bitmap); done_endpoint_free: v4l2_fwnode_endpoint_free(&bus_cfg); @@ -1099,9 +1100,8 @@ static int imx335_init_controls(struct imx335 *imx335) imx335->link_freq_ctrl = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx335_ctrl_ops, V4L2_CID_LINK_FREQ, - ARRAY_SIZE(link_freq) - - 1, - mode->link_freq_idx, + __fls(imx335->link_freq_bitmap), + __ffs(imx335->link_freq_bitmap), link_freq); if (imx335->link_freq_ctrl) imx335->link_freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;