diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-07-21 19:59:54 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-21 20:00:01 +0400 |
| commit | 994bf1c92270e3d7731ea08f1d1bd7a668314e60 (patch) | |
| tree | 4409a21eab486e53fbe350a66e8a4f28b7a720c0 /drivers/i2c/muxes/pca954x.c | |
| parent | bd96efe17d945f0bad56d592f8686dc6309905e7 (diff) | |
| parent | cf6ace16a3cd8b728fb0afa68368fd40bbeae19f (diff) | |
| download | linux-994bf1c92270e3d7731ea08f1d1bd7a668314e60.tar.xz | |
Merge branch 'linus' into sched/core
Merge reason: pick up the latest scheduler fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/i2c/muxes/pca954x.c')
| -rw-r--r-- | drivers/i2c/muxes/pca954x.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c index 54e1ce73534b..6f8953664636 100644 --- a/drivers/i2c/muxes/pca954x.c +++ b/drivers/i2c/muxes/pca954x.c @@ -201,10 +201,11 @@ static int pca954x_probe(struct i2c_client *client, i2c_set_clientdata(client, data); - /* Read the mux register at addr to verify - * that the mux is in fact present. + /* Write the mux register at addr to verify + * that the mux is in fact present. This also + * initializes the mux to disconnected state. */ - if (i2c_smbus_read_byte(client) < 0) { + if (i2c_smbus_write_byte(client, 0) < 0) { dev_warn(&client->dev, "probe failed\n"); goto exit_free; } |