diff options
Diffstat (limited to 'sound/i2c/i2c.c')
-rw-r--r-- | sound/i2c/i2c.c | 79 |
1 files changed, 43 insertions, 36 deletions
diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c index e4e505b..c4e1f2c 100644 --- a/sound/i2c/i2c.c +++ b/sound/i2c/i2c.c @@ -32,20 +32,23 @@ MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); MODULE_DESCRIPTION("Generic i2c interface for ALSA"); MODULE_LICENSE("GPL"); -static int snd_i2c_bit_sendbytes(snd_i2c_device_t *device, unsigned char *bytes, int count); -static int snd_i2c_bit_readbytes(snd_i2c_device_t *device, unsigned char *bytes, int count); -static int snd_i2c_bit_probeaddr(snd_i2c_bus_t *bus, unsigned short addr); - -static snd_i2c_ops_t snd_i2c_bit_ops = { +static int snd_i2c_bit_sendbytes(struct snd_i2c_device *device, + unsigned char *bytes, int count); +static int snd_i2c_bit_readbytes(struct snd_i2c_device *device, + unsigned char *bytes, int count); +static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus, + unsigned short addr); + +static struct snd_i2c_ops snd_i2c_bit_ops = { .sendbytes = snd_i2c_bit_sendbytes, .readbytes = snd_i2c_bit_readbytes, .probeaddr = snd_i2c_bit_probeaddr, }; -static int snd_i2c_bus_free(snd_i2c_bus_t *bus) +static int snd_i2c_bus_free(struct snd_i2c_bus *bus) { - snd_i2c_bus_t *slave; - snd_i2c_device_t *device; + struct snd_i2c_bus *slave; + struct snd_i2c_device *device; snd_assert(bus != NULL, return -EINVAL); while (!list_empty(&bus->devices)) { @@ -66,17 +69,18 @@ static int snd_i2c_bus_free(snd_i2c_bus_t *bus) return 0; } -static int snd_i2c_bus_dev_free(snd_device_t *device) +static int snd_i2c_bus_dev_free(struct snd_device *device) { - snd_i2c_bus_t *bus = device->device_data; + struct snd_i2c_bus *bus = device->device_data; return snd_i2c_bus_free(bus); } -int snd_i2c_bus_create(snd_card_t *card, const char *name, snd_i2c_bus_t *master, snd_i2c_bus_t **ri2c) +int snd_i2c_bus_create(struct snd_card *card, const char *name, + struct snd_i2c_bus *master, struct snd_i2c_bus **ri2c) { - snd_i2c_bus_t *bus; + struct snd_i2c_bus *bus; int err; - static snd_device_ops_t ops = { + static struct snd_device_ops ops = { .dev_free = snd_i2c_bus_dev_free, }; @@ -102,9 +106,10 @@ int snd_i2c_bus_create(snd_card_t *card, const char *name, snd_i2c_bus_t *master return 0; } -int snd_i2c_device_create(snd_i2c_bus_t *bus, const char *name, unsigned char addr, snd_i2c_device_t **rdevice) +int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name, + unsigned char addr, struct snd_i2c_device **rdevice) { - snd_i2c_device_t *device; + struct snd_i2c_device *device; *rdevice = NULL; snd_assert(bus != NULL, return -EINVAL); @@ -119,7 +124,7 @@ int snd_i2c_device_create(snd_i2c_bus_t *bus, const char *name, unsigned char ad return 0; } -int snd_i2c_device_free(snd_i2c_device_t *device) +int snd_i2c_device_free(struct snd_i2c_device *device) { if (device->bus) list_del(&device->list); @@ -129,18 +134,18 @@ int snd_i2c_device_free(snd_i2c_device_t *device) return 0; } -int snd_i2c_sendbytes(snd_i2c_device_t *device, unsigned char *bytes, int count) +int snd_i2c_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count) { return device->bus->ops->sendbytes(device, bytes, count); } -int snd_i2c_readbytes(snd_i2c_device_t *device, unsigned char *bytes, int count) +int snd_i2c_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count) { return device->bus->ops->readbytes(device, bytes, count); } -int snd_i2c_probeaddr(snd_i2c_bus_t *bus, unsigned short addr) +int snd_i2c_probeaddr(struct snd_i2c_bus *bus, unsigned short addr) { return bus->ops->probeaddr(bus, addr); } @@ -149,31 +154,31 @@ int snd_i2c_probeaddr(snd_i2c_bus_t *bus, unsigned short addr) * bit-operations */ -static inline void snd_i2c_bit_hw_start(snd_i2c_bus_t *bus) +static inline void snd_i2c_bit_hw_start(struct snd_i2c_bus *bus) { if (bus->hw_ops.bit->start) bus->hw_ops.bit->start(bus); } -static inline void snd_i2c_bit_hw_stop(snd_i2c_bus_t *bus) +static inline void snd_i2c_bit_hw_stop(struct snd_i2c_bus *bus) { if (bus->hw_ops.bit->stop) bus->hw_ops.bit->stop(bus); } -static void snd_i2c_bit_direction(snd_i2c_bus_t *bus, int clock, int data) +static void snd_i2c_bit_direction(struct snd_i2c_bus *bus, int clock, int data) { if (bus->hw_ops.bit->direction) bus->hw_ops.bit->direction(bus, clock, data); } -static void snd_i2c_bit_set(snd_i2c_bus_t *bus, int clock, int data) +static void snd_i2c_bit_set(struct snd_i2c_bus *bus, int clock, int data) { bus->hw_ops.bit->setlines(bus, clock, data); } #if 0 -static int snd_i2c_bit_clock(snd_i2c_bus_t *bus) +static int snd_i2c_bit_clock(struct snd_i2c_bus *bus) { if (bus->hw_ops.bit->getclock) return bus->hw_ops.bit->getclock(bus); @@ -181,12 +186,12 @@ static int snd_i2c_bit_clock(snd_i2c_bus_t *bus) } #endif -static int snd_i2c_bit_data(snd_i2c_bus_t *bus, int ack) +static int snd_i2c_bit_data(struct snd_i2c_bus *bus, int ack) { return bus->hw_ops.bit->getdata(bus, ack); } -static void snd_i2c_bit_start(snd_i2c_bus_t *bus) +static void snd_i2c_bit_start(struct snd_i2c_bus *bus) { snd_i2c_bit_hw_start(bus); snd_i2c_bit_direction(bus, 1, 1); /* SCL - wr, SDA - wr */ @@ -195,7 +200,7 @@ static void snd_i2c_bit_start(snd_i2c_bus_t *bus) snd_i2c_bit_set(bus, 0, 0); } -static void snd_i2c_bit_stop(snd_i2c_bus_t *bus) +static void snd_i2c_bit_stop(struct snd_i2c_bus *bus) { snd_i2c_bit_set(bus, 0, 0); snd_i2c_bit_set(bus, 1, 0); @@ -203,14 +208,14 @@ static void snd_i2c_bit_stop(snd_i2c_bus_t *bus) snd_i2c_bit_hw_stop(bus); } -static void snd_i2c_bit_send(snd_i2c_bus_t *bus, int data) +static void snd_i2c_bit_send(struct snd_i2c_bus *bus, int data) { snd_i2c_bit_set(bus, 0, data); snd_i2c_bit_set(bus, 1, data); snd_i2c_bit_set(bus, 0, data); } -static int snd_i2c_bit_ack(snd_i2c_bus_t *bus) +static int snd_i2c_bit_ack(struct snd_i2c_bus *bus) { int ack; @@ -223,7 +228,7 @@ static int snd_i2c_bit_ack(snd_i2c_bus_t *bus) return ack ? -EIO : 0; } -static int snd_i2c_bit_sendbyte(snd_i2c_bus_t *bus, unsigned char data) +static int snd_i2c_bit_sendbyte(struct snd_i2c_bus *bus, unsigned char data) { int i, err; @@ -234,7 +239,7 @@ static int snd_i2c_bit_sendbyte(snd_i2c_bus_t *bus, unsigned char data) return 0; } -static int snd_i2c_bit_readbyte(snd_i2c_bus_t *bus, int last) +static int snd_i2c_bit_readbyte(struct snd_i2c_bus *bus, int last) { int i; unsigned char data = 0; @@ -252,9 +257,10 @@ static int snd_i2c_bit_readbyte(snd_i2c_bus_t *bus, int last) return data; } -static int snd_i2c_bit_sendbytes(snd_i2c_device_t *device, unsigned char *bytes, int count) +static int snd_i2c_bit_sendbytes(struct snd_i2c_device *device, + unsigned char *bytes, int count) { - snd_i2c_bus_t *bus = device->bus; + struct snd_i2c_bus *bus = device->bus; int err, res = 0; if (device->flags & SND_I2C_DEVICE_ADDRTEN) @@ -275,9 +281,10 @@ static int snd_i2c_bit_sendbytes(snd_i2c_device_t *device, unsigned char *bytes, return res; } -static int snd_i2c_bit_readbytes(snd_i2c_device_t *device, unsigned char *bytes, int count) +static int snd_i2c_bit_readbytes(struct snd_i2c_device *device, + unsigned char *bytes, int count) { - snd_i2c_bus_t *bus = device->bus; + struct snd_i2c_bus *bus = device->bus; int err, res = 0; if (device->flags & SND_I2C_DEVICE_ADDRTEN) @@ -299,7 +306,7 @@ static int snd_i2c_bit_readbytes(snd_i2c_device_t *device, unsigned char *bytes, return res; } -static int snd_i2c_bit_probeaddr(snd_i2c_bus_t *bus, unsigned short addr) +static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus, unsigned short addr) { int err; 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