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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-17 10:45:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-17 10:45:39 -0800 |
| commit | e77a20e8ef6784586cfd66f4346af88ddb11173f (patch) | |
| tree | d06fdebc42495d670d84fdb30d0e721ceb371617 /drivers | |
| parent | 9753b12767a7d3d2f2d36850ce5aaae59afbd685 (diff) | |
| parent | 898d8054ec0cb5ba0ec1b15c78042a23ed103c02 (diff) | |
| download | lwn-e77a20e8ef6784586cfd66f4346af88ddb11173f.tar.gz lwn-e77a20e8ef6784586cfd66f4346af88ddb11173f.zip | |
Merge branch 'for-linus' of git://git.o-hand.com/linux-mfd
* 'for-linus' of git://git.o-hand.com/linux-mfd:
mfd: Correct WM8350 I2C return code usage
mfd: fix event masking for da9030
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/da903x.c | 2 | ||||
| -rw-r--r-- | drivers/mfd/wm8350-i2c.c | 15 |
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c index b57326ae464d..0b5bd85dfcec 100644 --- a/drivers/mfd/da903x.c +++ b/drivers/mfd/da903x.c @@ -267,7 +267,7 @@ static int da9030_mask_events(struct da903x_chip *chip, unsigned int events) { uint8_t v[3]; - chip->events_mask &= ~events; + chip->events_mask |= events; v[0] = (chip->events_mask & 0xff); v[1] = (chip->events_mask >> 8) & 0xff; diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 8dfe21bb3bd1..3e0ce0e50ea2 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -30,7 +30,12 @@ static int wm8350_i2c_read_device(struct wm8350 *wm8350, char reg, ret = i2c_master_send(wm8350->i2c_client, ®, 1); if (ret < 0) return ret; - return i2c_master_recv(wm8350->i2c_client, dest, bytes); + ret = i2c_master_recv(wm8350->i2c_client, dest, bytes); + if (ret < 0) + return ret; + if (ret != bytes) + return -EIO; + return 0; } static int wm8350_i2c_write_device(struct wm8350 *wm8350, char reg, @@ -38,13 +43,19 @@ static int wm8350_i2c_write_device(struct wm8350 *wm8350, char reg, { /* we add 1 byte for device register */ u8 msg[(WM8350_MAX_REGISTER << 1) + 1]; + int ret; if (bytes > ((WM8350_MAX_REGISTER << 1) + 1)) return -EINVAL; msg[0] = reg; memcpy(&msg[1], src, bytes); - return i2c_master_send(wm8350->i2c_client, msg, bytes + 1); + ret = i2c_master_send(wm8350->i2c_client, msg, bytes + 1); + if (ret < 0) + return ret; + if (ret != bytes + 1) + return -EIO; + return 0; } static int wm8350_i2c_probe(struct i2c_client *i2c, |