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Wed, 22 Apr 2026 05:20:33 -0700 (PDT) From: Debjeet Banerjee To: sakari.ailus@linux.intel.com Cc: andy.shevchenko@gmail.com, andy@kernel.org, debjeetbanerjee48@gmail.com, gregkh@linuxfoundation.org, hansg@kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, mchehab@kernel.org Subject: [PATCH v4 2/2] media: atomisp: Remove unused DPCM helper functions and declarations Date: Wed, 22 Apr 2026 17:50:06 +0530 Message-ID: <20260422122006.29390-2-debjeetbanerjee48@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260422122006.29390-1-debjeetbanerjee48@gmail.com> References: <20260422122006.29390-1-debjeetbanerjee48@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Remove the DPCM-related helper functions and data structures that are no longer used after simplifying the CSI2 source pad format handling: - atomisp_subdev_uncompressed_code() function - atomisp_subdev_is_compressed() function - atomisp_find_in_fmt_conv_compressed() declaration - compressed_codes[] array from atomisp_subdev.c Since the driver does not support DPCM decompression, these functions were dead code and have been removed to clean up the codebase. Signed-off-by: Debjeet Banerjee --- .../media/atomisp/pci/atomisp_subdev.c | 33 ------------------- .../media/atomisp/pci/atomisp_subdev.h | 3 -- 2 files changed, 36 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_subdev.c b/drivers/staging/media/atomisp/pci/atomisp_subdev.c index 3d56ca83ecb7..ec5d3d7d7700 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_subdev.c +++ b/drivers/staging/media/atomisp/pci/atomisp_subdev.c @@ -51,39 +51,6 @@ const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[] = { {} }; -static const struct { - u32 code; - u32 compressed; -} compressed_codes[] = { - { MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8 }, - { MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8 }, - { MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8 }, - { MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8 }, -}; - -u32 atomisp_subdev_uncompressed_code(u32 code) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(compressed_codes); i++) - if (code == compressed_codes[i].compressed) - return compressed_codes[i].code; - - return code; -} - -bool atomisp_subdev_is_compressed(u32 code) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) - if (code == atomisp_in_fmt_conv[i].code) - return atomisp_in_fmt_conv[i].bpp != - atomisp_in_fmt_conv[i].depth; - - return false; -} - const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code) { int i; diff --git a/drivers/staging/media/atomisp/pci/atomisp_subdev.h b/drivers/staging/media/atomisp/pci/atomisp_subdev.h index e1d0168cb91d..a8d3ddeda3bf 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_subdev.h +++ b/drivers/staging/media/atomisp/pci/atomisp_subdev.h @@ -296,8 +296,6 @@ struct atomisp_sub_device { extern const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[]; -u32 atomisp_subdev_uncompressed_code(u32 code); -bool atomisp_subdev_is_compressed(u32 code); const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code); /* ISP2400 */ @@ -309,7 +307,6 @@ const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_input_format atomisp_in_fmt); -const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_compressed(u32 code); bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd); /* Get pointer to appropriate format */ -- 2.53.0