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Commit 5f954b5b authored by Steven Toth's avatar Steven Toth Committed by Mauro Carvalho Chehab
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[media] saa7164: I2C improvements for upcoming HVR2255/2205 boards 



SI2168/SI2157 issue single byte address reads. Add support
for these.

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 5f5859d1

drivers/media/pci/saa7164/saa7164-i2c.c

+4 −3
Original line number Diff line number Diff line
@@ -39,9 +39,10 @@ static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) 
		dprintk(DBGLVL_I2C, "%s(num = %d) addr = 0x%02x  len = 0x%x\n",

			__func__, num, msgs[i].addr, msgs[i].len);

		if (msgs[i].flags & I2C_M_RD) {

			/* Unsupported - Yet*/

			printk(KERN_ERR "%s() Unsupported - Yet\n", __func__);

			continue;

			retval = saa7164_api_i2c_read(bus,

				msgs[i].addr,

				0 /* reglen */,

				0 /* reg */, msgs[i].len, msgs[i].buf);

		} else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&

			   msgs[i].addr == msgs[i + 1].addr) {

			/* write then read from same address */