From: Arnd Bergmann <[email protected]>

A number of remote control drivers require the bitreverse
helper, and run into a link error when it is disabled:

arm-linux-gnueabi-ld: drivers/media/rc/img-ir/img-ir-nec.o: in function 
`img_ir_nec_scancode':
img-ir-nec.c:(.text+0x10c): undefined reference to `byte_rev_table'
arm-linux-gnueabi-ld: drivers/media/rc/img-ir/img-ir-nec.o: in function 
`img_ir_nec_filter':
img-ir-nec.c:(.text+0x2dc): undefined reference to `byte_rev_table'
arm-linux-gnueabi-ld: drivers/media/usb/cx231xx/cx231xx-input.o: in function 
`get_key_isdbt':
cx231xx-input.c:(.text+0x38c): undefined reference to `byte_rev_table'
arm-linux-gnueabi-ld: drivers/media/usb/em28xx/em28xx-input.o: in function 
`em28xx_get_key_em_haup':
em28xx-input.c:(.text+0x1704): undefined reference to `byte_rev_table'

Signed-off-by: Arnd Bergmann <[email protected]>
---
 drivers/media/rc/Kconfig          | 2 ++
 drivers/media/rc/img-ir/Kconfig   | 1 +
 drivers/media/usb/cx231xx/Kconfig | 1 +
 drivers/media/usb/em28xx/Kconfig  | 1 +
 4 files changed, 5 insertions(+)

diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig
index 2c0ee2e5b446..8a4b4040be45 100644
--- a/drivers/media/rc/Kconfig
+++ b/drivers/media/rc/Kconfig
@@ -92,6 +92,7 @@ config IR_SONY_DECODER
 config IR_SANYO_DECODER
        tristate "Enable IR raw decoder for the Sanyo protocol"
        depends on RC_CORE
+       select BITREVERSE
 
        help
           Enable this option if you have an infrared remote control which
@@ -101,6 +102,7 @@ config IR_SANYO_DECODER
 config IR_SHARP_DECODER
        tristate "Enable IR raw decoder for the Sharp protocol"
        depends on RC_CORE
+       select BITREVERSE
 
        help
           Enable this option if you have an infrared remote control which
diff --git a/drivers/media/rc/img-ir/Kconfig b/drivers/media/rc/img-ir/Kconfig
index 5c0508f2719f..a80cfcd87a95 100644
--- a/drivers/media/rc/img-ir/Kconfig
+++ b/drivers/media/rc/img-ir/Kconfig
@@ -30,6 +30,7 @@ config IR_IMG_HW
 config IR_IMG_NEC
        bool "NEC protocol support"
        depends on IR_IMG_HW
+       select BITREVERSE
        help
           Say Y here to enable support for the NEC, extended NEC, and 32-bit
           NEC protocols in the ImgTec infrared decoder block.
diff --git a/drivers/media/usb/cx231xx/Kconfig 
b/drivers/media/usb/cx231xx/Kconfig
index 2fe2b2d335ba..b80661b8375f 100644
--- a/drivers/media/usb/cx231xx/Kconfig
+++ b/drivers/media/usb/cx231xx/Kconfig
@@ -18,6 +18,7 @@ config VIDEO_CX231XX_RC
        bool "Conexant cx231xx Remote Controller additional support"
        depends on RC_CORE=y || RC_CORE=VIDEO_CX231XX
        depends on VIDEO_CX231XX
+       select BITREVERSE
        default y
        help
          cx231xx hardware has a builtin RX/TX support. However, a few
diff --git a/drivers/media/usb/em28xx/Kconfig b/drivers/media/usb/em28xx/Kconfig
index f2031a933e54..8a24731b373a 100644
--- a/drivers/media/usb/em28xx/Kconfig
+++ b/drivers/media/usb/em28xx/Kconfig
@@ -77,5 +77,6 @@ config VIDEO_EM28XX_RC
        depends on VIDEO_EM28XX
        depends on !(RC_CORE=m && VIDEO_EM28XX=y)
        default VIDEO_EM28XX
+       select BITREVERSE
        help
          Enables Remote Controller support on em28xx driver.
-- 
2.27.0

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