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Commit 8ed5e4e8 authored by Steven Toth's avatar Steven Toth Committed by Mauro Carvalho Chehab
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[media] saa7164: Adding additional I2C debug 



Assists with debugging difficult I2C devices.

Signed-off-by: default avatarSteven Toth <stoth@kernellabs.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 5f954b5b

drivers/media/pci/saa7164/saa7164-api.c

+5 −3
Original line number Diff line number Diff line
@@ -1373,7 +1373,8 @@ int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, 
	u8 buf[256];

	int ret;



	dprintk(DBGLVL_API, "%s()\n", __func__);

	dprintk(DBGLVL_API, "%s() addr=%x reglen=%d datalen=%d\n",

		__func__, addr, reglen, datalen);



	if (reglen > 4)

		return -EIO;
@@ -1434,7 +1435,8 @@ int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, 
	u8 buf[256];

	int ret;



	dprintk(DBGLVL_API, "%s()\n", __func__);

	dprintk(DBGLVL_API, "%s() addr=0x%2x len=0x%x\n",

		__func__, addr, datalen);



	if ((datalen == 0) || (datalen > 232))

		return -EIO;
@@ -1464,7 +1466,7 @@ int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, 
		return -EIO;

	}



	dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);

	dprintk(DBGLVL_API, "%s() len = %d bytes unitid=0x%x\n", __func__, len, unitid);



	/* Prepare the send buffer */

	/* Bytes 00-03 dest register length