diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-input.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-input.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c index 10da2fd8d98..bb5807159b8 100644 --- a/drivers/media/video/em28xx/em28xx-input.c +++ b/drivers/media/video/em28xx/em28xx-input.c @@ -32,10 +32,12 @@ static unsigned int ir_debug; module_param(ir_debug, int, 0644); -MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); +MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); -#define dprintk(fmt, arg...) if (ir_debug) \ - printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg) +#define dprintk(fmt, arg...) \ + if (ir_debug) { \ + printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg); \ + } /* ----------------------------------------------------------------------- */ @@ -44,7 +46,7 @@ int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) unsigned char b; /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c,&b,1)) { + if (1 != i2c_master_recv(&ir->c, &b, 1)) { dprintk("read error\n"); return -EIO; } @@ -74,24 +76,25 @@ int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) unsigned char code; /* poll IR chip */ - if (2 != i2c_master_recv(&ir->c,buf,2)) + if (2 != i2c_master_recv(&ir->c, buf, 2)) return -EIO; /* Does eliminate repeated parity code */ - if (buf[1]==0xff) + if (buf[1] == 0xff) return 0; - ir->old=buf[1]; + ir->old = buf[1]; /* Rearranges bits to the right order */ - code= ((buf[0]&0x01)<<5) | /* 0010 0000 */ + code = ((buf[0]&0x01)<<5) | /* 0010 0000 */ ((buf[0]&0x02)<<3) | /* 0001 0000 */ ((buf[0]&0x04)<<1) | /* 0000 1000 */ ((buf[0]&0x08)>>1) | /* 0000 0100 */ ((buf[0]&0x10)>>3) | /* 0000 0010 */ ((buf[0]&0x20)>>5); /* 0000 0001 */ - dprintk("ir hauppauge (em2840): code=0x%02x (rcv=0x%02x)\n",code,buf[0]); + dprintk("ir hauppauge (em2840): code=0x%02x (rcv=0x%02x)\n", + code, buf[0]); /* return key */ *ir_key = code; @@ -106,15 +109,14 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, /* poll IR chip */ - if (3 != i2c_master_recv(&ir->c,buf,3)) { + if (3 != i2c_master_recv(&ir->c, buf, 3)) { dprintk("read error\n"); return -EIO; } dprintk("key %02x\n", buf[2]&0x3f); - if (buf[0]!=0x00){ + if (buf[0] != 0x00) return 0; - } *ir_key = buf[2]&0x3f; *ir_raw = buf[2]&0x3f; |