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authorSteven Toth <stoth@kernellabs.com>2015-03-23 21:37:32 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-05-01 13:18:48 +0300
commit5f954b5be4bf42e85e0a204518499bda8ee2f419 (patch)
treecb1b03af3f77cbb5a5888b13a86a2ae2ef7c95d2 /drivers/media/pci
parent5f5859d1c158b42343d343f5d1aa6de8643b8cf6 (diff)
downloadlinux-5f954b5be4bf42e85e0a204518499bda8ee2f419.tar.xz
[media] saa7164: I2C improvements for upcoming HVR2255/2205 boards
SI2168/SI2157 issue single byte address reads. Add support for these. Signed-off-by: Steven Toth <stoth@kernellabs.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/pci')
-rw-r--r--drivers/media/pci/saa7164/saa7164-i2c.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-i2c.c b/drivers/media/pci/saa7164/saa7164-i2c.c
index 4f7e3b42263f..3b37c96d2a7c 100644
--- a/drivers/media/pci/saa7164/saa7164-i2c.c
+++ b/drivers/media/pci/saa7164/saa7164-i2c.c
@@ -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 */