[PATCH 1/2 V2] staging: atomisp: simplify the if condition in atomisp_freq_scaling()

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The condition line in if-statement is needed to be shorthen to
improve readability.

Add a new definition to check the CHT with atomisp_device structure.

Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>
---
V2: replace the assigment line with macro to check CHT type.

 drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c      | 3 +--
 drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h | 4 ++++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
index 94bc793..87224d6 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
@@ -261,8 +261,7 @@ int atomisp_freq_scaling(struct atomisp_device *isp,
 		return -EINVAL;
 	}
 
-	if ((isp->pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
-		ATOMISP_PCI_DEVICE_SOC_CHT && ATOMISP_USE_YUVPP(asd))
+	if (ATOMISP_IS_CHT(isp) && ATOMISP_USE_YUVPP(asd))
 		isp->dfs = &dfs_config_cht_soc;
 
 	if (isp->dfs->lowest_freq == 0 || isp->dfs->max_freq_at_vmin == 0 ||
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
index d366713..97dc5f88 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
@@ -72,6 +72,10 @@
 #define ATOMISP_PCI_DEVICE_SOC_ANN	0x1478
 #define ATOMISP_PCI_DEVICE_SOC_CHT	0x22b8
 
+#define ATOMISP_IS_CHT(isp) \
+	(((isp)->pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) == \
+	ATOMISP_PCI_DEVICE_SOC_CHT)
+
 #define ATOMISP_PCI_REV_MRFLD_A0_MAX	0
 #define ATOMISP_PCI_REV_BYT_A0_MAX	4
 
-- 
2.7.4




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