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authorDevin Heitmueller <devin.heitmueller@gmail.com>2008-11-20 09:52:20 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:36 -0200
commitb69724899440289ab258ff417c2d6aa104c70310 (patch)
tree226c171b4857b39d279d02567d2fe22b62b17101 /drivers/media/video/em28xx/em28xx-core.c
parentf8de18d4308317a1c088fb8852ed0516124521b1 (diff)
V4L/DVB (9657): em28xx: add a functio to write on a single register
Introduce a new function that writes to a single register. This is useful because the vast majority of register writes are a single register, and this format permits or'ing register value bits together. Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 1cf5b443092c..9de0f5017f39 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -196,6 +196,12 @@ int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len)
return rc;
}
+/* Write a single register */
+int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val)
+{
+ return em28xx_write_regs(dev, reg, &val, 1);
+}
+
/*
* em28xx_write_reg_bits()
* sets only some bits (specified by bitmask) of a register, by first reading