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| author | Marek Vasut <marek.vasut@gmail.com> | 2009-09-22 16:46:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:48 -0700 |
| commit | 4cf8e53b3b55fa2f9b2a6b9c3e557b649adf7c6a (patch) | |
| tree | 3a3ca1ba8ced694568f7c0ee31c19f7fcc6e38a9 /drivers/mfd | |
| parent | 1e5db00687c1ebd93a902caf1d3694209013cb3e (diff) | |
| download | linux-4cf8e53b3b55fa2f9b2a6b9c3e557b649adf7c6a.tar.gz linux-4cf8e53b3b55fa2f9b2a6b9c3e557b649adf7c6a.tar.bz2 linux-4cf8e53b3b55fa2f9b2a6b9c3e557b649adf7c6a.zip | |
mfd/gpio: add a GPIO interface to the UCB1400 MFD chip driver via gpiolib
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Brownell <david-b@pacbell.net>
Cc: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/ucb1400_core.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/mfd/ucb1400_core.c b/drivers/mfd/ucb1400_core.c index 78c2135c5de6..2afc08006e6d 100644 --- a/drivers/mfd/ucb1400_core.c +++ b/drivers/mfd/ucb1400_core.c @@ -48,9 +48,11 @@ static int ucb1400_core_probe(struct device *dev) int err; struct ucb1400 *ucb; struct ucb1400_ts ucb_ts; + struct ucb1400_gpio ucb_gpio; struct snd_ac97 *ac97; memset(&ucb_ts, 0, sizeof(ucb_ts)); + memset(&ucb_gpio, 0, sizeof(ucb_gpio)); ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL); if (!ucb) { @@ -68,25 +70,44 @@ static int ucb1400_core_probe(struct device *dev) goto err0; } + /* GPIO */ + ucb_gpio.ac97 = ac97; + ucb->ucb1400_gpio = platform_device_alloc("ucb1400_gpio", -1); + if (!ucb->ucb1400_gpio) { + err = -ENOMEM; + goto err0; + } + err = platform_device_add_data(ucb->ucb1400_gpio, &ucb_gpio, + sizeof(ucb_gpio)); + if (err) + goto err1; + err = platform_device_add(ucb->ucb1400_gpio); + if (err) + goto err1; + /* TOUCHSCREEN */ ucb_ts.ac97 = ac97; ucb->ucb1400_ts = platform_device_alloc("ucb1400_ts", -1); if (!ucb->ucb1400_ts) { err = -ENOMEM; - goto err0; + goto err2; } err = platform_device_add_data(ucb->ucb1400_ts, &ucb_ts, sizeof(ucb_ts)); if (err) - goto err1; + goto err3; err = platform_device_add(ucb->ucb1400_ts); if (err) - goto err1; + goto err3; return 0; -err1: +err3: platform_device_put(ucb->ucb1400_ts); +err2: + platform_device_unregister(ucb->ucb1400_gpio); +err1: + platform_device_put(ucb->ucb1400_gpio); err0: kfree(ucb); err: @@ -98,6 +119,8 @@ static int ucb1400_core_remove(struct device *dev) struct ucb1400 *ucb = dev_get_drvdata(dev); platform_device_unregister(ucb->ucb1400_ts); + platform_device_unregister(ucb->ucb1400_gpio); + kfree(ucb); return 0; } |