summaryrefslogtreecommitdiff
path: root/linux/drivers/media/video/em28xx/em28xx-core.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2008-11-20 10:52:20 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-11-20 10:52:20 -0200
commit0f71f2e1c83c02abd71844758e0d739b56bf4a2c (patch)
tree1319b676d0304129d2217445e86c95dd1fb6e0cf /linux/drivers/media/video/em28xx/em28xx-core.c
parent35cb6cec59b1bb3b8be8548c146894dbbee5ca13 (diff)
downloadmediapointer-dvb-s2-0f71f2e1c83c02abd71844758e0d739b56bf4a2c.tar.gz
mediapointer-dvb-s2-0f71f2e1c83c02abd71844758e0d739b56bf4a2c.tar.bz2
Introduce a new function that writes to a single register. This is
From: Devin Heitmueller <devin.heitmueller@gmail.com> 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 'linux/drivers/media/video/em28xx/em28xx-core.c')
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-core.c b/linux/drivers/media/video/em28xx/em28xx-core.c
index 5292ca29d..dacb6cc5a 100644
--- a/linux/drivers/media/video/em28xx/em28xx-core.c
+++ b/linux/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