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

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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 <martink@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Martin Kepplinger 2017-05-03 10:43:09 -03:00 committed by Mauro Carvalho Chehab
parent 6a1560ecaa
commit e1d00cddfb
1 changed files with 0 additions and 13 deletions
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13
drivers/media/dvb-frontends/drx39xyj/drx_driver.h
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@ -449,19 +449,6 @@ MACROS
#define DRX_16TO8(x) ((u8) (((u16)x) & 0xFF)), \
((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
*/