From patchwork Tue Oct 29 08:57:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jai Luthra X-Patchwork-Id: 13854517 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 C0C02204029; Tue, 29 Oct 2024 08:58:36 +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=1730192318; cv=none; b=tePjgiSt0ZzslpAUd2teGwDS4nfcyzllOyoPkmjf0NMR4WKvIxIRcG8OjfEzXHJz4n7efHiIJP/Igu0RXOZRstchyo9GwBJnGJ2s6ok5NRsz83OeMPHUcGk8ekr0R6UZxvUr5FCGjF+Bml3CW8c1jv4W9f1AnJUXuGfuCAjPEqo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730192318; c=relaxed/simple; bh=b5kMoUY5fEN9QNCesVCHdR6TYNW7ZndQEXVBK7dSQak=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hWF7U9Iz2NKW5T63pW2JtDu6v8Ch6CnSLsEilO8F6BKq4rrBIkQviFl/jdlg33JHtONtM0J+MtvAJpNL+sWuA4PC2zjZFjOKEk5h9OKM2yPATeQipCTsmDG/ZLA3ByKdl0PZCrP4J22m44MG9RnSyQUvBEHUBIsFk9XNZbcT4Y0= 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=DMZHoHvS; 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="DMZHoHvS" Received: from mail.ideasonboard.com (unknown [IPv6:2401:4900:883a:9301:2bb5:b494:2d46:ba69]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 92AF74D4; Tue, 29 Oct 2024 09:58:32 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1730192313; bh=b5kMoUY5fEN9QNCesVCHdR6TYNW7ZndQEXVBK7dSQak=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=DMZHoHvSTy35aAN9FbA+tM/VqthB7dtuElsOYVIjWw1Oaw1iOcWFm1eQrN28MI8r7 1BAL0j+dJlhBL4RdgwRWZjeS2xGNxH3JJbznqAGf7t7FiFKbVNGf8L20YyR3T9dPYd n63KNT4FGGFWtW+9DUYsp9FQWXhwarmVMEFTpfn4= From: Jai Luthra Date: Tue, 29 Oct 2024 14:27:35 +0530 Subject: [PATCH 1/3] media: i2c: imx219: Correct the minimum vblanking value Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241029-imx219_fixes-v1-1-b45dc3658b4e@ideasonboard.com> References: <20241029-imx219_fixes-v1-0-b45dc3658b4e@ideasonboard.com> In-Reply-To: <20241029-imx219_fixes-v1-0-b45dc3658b4e@ideasonboard.com> To: Dave Stevenson , Sakari Ailus , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Jai Luthra , David Plowman X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=887; i=jai.luthra@ideasonboard.com; h=from:subject:message-id; bh=GYqSOn1ss8LemMDmik0yF8hzBMbOBLBFwe7AEg2ce80=; b=owEBbQKS/ZANAwAIAUPekfkkmnFFAcsmYgBnIKOuJHWdyujo+MgOVJi/D9lfJvO0/VtJxyjO0 S99omv+q7mJAjMEAAEIAB0WIQRN4NgY5dV16NRar8VD3pH5JJpxRQUCZyCjrgAKCRBD3pH5JJpx RT6dEACnnI3tI2rAwUH48j65f7pkyhCMmK4rGeGo9dmxoOtLmiu+iuQlwMfWCkl/MZtjMmoLGGQ kVP1+wHLEZpM1dpJhAOzpQARh3e9InA5xIYatYYs0ekrp5YzCIbs18BPQiPCSqvZwAlR3+DzzVk AIDR/HlnaspcXYwTwP1yIRI4uHdxMeIjNV/sIt9AEWJVyfI4cL9KdY9WnaEppiDdUcwWSlnknb8 Csmy8pnveKOHMosDuILVDj9MJKZPWQ3ly3bB4C558SejvodZYqzLnTzoaJP8xjoPnHTIK2iPz91 mFwWnl7le5T/92Tl4TWTBVZSw3g7gxFvkxR2DLAAweUvMI0TNYJWvuwYX0pds7A4RawvhQItmea /MMHXLBPHZJUYqGD69XJlYeqj59LwtrXLPUxGp8+EJ//FmXhwP8h0/J7GE7/wWnYsY/CpMnrA/N YjThcMr8jWVy2tm2U2hoHnr0aibWc2/v9b94n35lRj1Y7l4U5kK9mAWvdFXlKlU2dG9a4+cae15 nqnExdf5q0cISDWCTmbP78mnJVxqJuNm1DufNIsOaMVejHoxLveMdIfxbXkh3g/fAm8/Zl6A7op ZY1a0whLR+JSufpUducC7kLuIsKVKYY+zTZZ19LgUzUFk06UQ+JPoz2L9UNPY5s2Ub9RSedt+c2 Q6SR9Ov3h5ko4DA== X-Developer-Key: i=jai.luthra@ideasonboard.com; a=openpgp; fpr=4DE0D818E5D575E8D45AAFC543DE91F9249A7145 From: David Plowman The datasheet for this sensor documents the minimum vblanking as being 32 lines. It does fix some problems with occasional black lines at the bottom of images (tested on Raspberry Pi). Signed-off-by: David Plowman Signed-off-by: Jai Luthra Reviewed-by: Jacopo Mondi Reviewed-by: Dave Stevenson --- drivers/media/i2c/imx219.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index e78a80b2bb2e455c857390b188c128b28c224778..f98aad74fe584a18e2fe7126f92bf294762a54e3 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -74,7 +74,7 @@ #define IMX219_REG_VTS CCI_REG16(0x0160) #define IMX219_VTS_MAX 0xffff -#define IMX219_VBLANK_MIN 4 +#define IMX219_VBLANK_MIN 32 /* HBLANK control - read only */ #define IMX219_PPL_DEFAULT 3448