From 0f71f2e1c83c02abd71844758e0d739b56bf4a2c Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 20 Nov 2008 10:52:20 -0200 Subject: Introduce a new function that writes to a single register. This is From: Devin Heitmueller 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 Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/video/em28xx/em28xx-core.c | 6 ++++++ linux/drivers/media/video/em28xx/em28xx.h | 2 ++ 2 files changed, 8 insertions(+) (limited to 'linux/drivers/media/video/em28xx') 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 diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h index fae80c42d..9f96128df 100644 --- a/linux/drivers/media/video/em28xx/em28xx.h +++ b/linux/drivers/media/video/em28xx/em28xx.h @@ -568,6 +568,8 @@ int em28xx_read_reg(struct em28xx *dev, u16 reg); int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, int len); int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); +int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); + int em28xx_audio_analog_set(struct em28xx *dev); int em28xx_audio_setup(struct em28xx *dev); -- cgit v1.2.3