media: dvb-frontends: drx39xyj: remove obsolete sign extend macros

Commit Message

Martin Kepplinger-Novakovic May 3, 2017, 1:43 p.m. UTC

DRX_S9TOS16 and DRX_S24TODRXFREQ are simply not used. Furthermore,
sign_extend32() should be used for sign extension. (Also, the comment
describing DRX_S24TODRXFREQ was wrong). So remove these macros.

Signed-off-by: Martin Kepplinger <[e-mail]>
---
 drivers/media/dvb-frontends/drx39xyj/drx_driver.h | 13 -------------
 1 file changed, 13 deletions(-)

Patch

diff --git a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
index 4442e47..afa702c 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
+++ b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
@@ -450,19 +450,6 @@  MACROS
 			((u8)((((u16)x)>>8)&0xFF))
 
 /**
-* \brief Macro to sign extend signed 9 bit value to signed  16 bit value
-*/
-#define DRX_S9TOS16(x) ((((u16)x)&0x100) ? ((s16)((u16)(x)|0xFF00)) : (x))
-
-/**
-* \brief Macro to sign extend signed 9 bit value to signed  16 bit value
-*/
-#define DRX_S24TODRXFREQ(x) ((((u32) x) & 0x00800000UL) ? \
-				 ((s32) \
-				    (((u32) x) | 0xFF000000)) : \
-				 ((s32) x))
-
-/**
 * \brief Macro to convert 16 bit register value to a s32
 */
 #define DRX_U16TODRXFREQ(x)   ((x & 0x8000) ? \