From: Felipe Balbi <[email protected]> trivial patch, no functional changes.
Signed-off-by: Felipe Balbi <[email protected]> --- drivers/cbus/cbus.c | 43 +++++++++++++++++++++++++++++++++++++++---- 1 files changed, 39 insertions(+), 4 deletions(-) diff --git a/drivers/cbus/cbus.c b/drivers/cbus/cbus.c index bae7b3e..527780f 100644 --- a/drivers/cbus/cbus.c +++ b/drivers/cbus/cbus.c @@ -58,6 +58,12 @@ struct cbus_host { static struct cbus_host *cbus_host; +/** + * cbus_send_bit - sends one bit over the bus + * @host: the host we're using + * @bit: one bit of information to send + * @input: whether to set data pin as input after sending + */ static int cbus_send_bit(struct cbus_host *host, unsigned bit, unsigned input) { @@ -75,6 +81,13 @@ static int cbus_send_bit(struct cbus_host *host, unsigned bit, return ret; } +/** + * cbus_send_data - sends @len amount of data over the bus + * @host: the host we're using + * @data: the data to send + * @len: size of the transfer + * @input: whether to set data pin as input after sending + */ static int cbus_send_data(struct cbus_host *host, unsigned data, unsigned len, unsigned input) { @@ -92,6 +105,10 @@ out: return ret; } +/** + * cbus_receive_bit - receives one bit from the bus + * @host: the host we're using + */ static int cbus_receive_bit(struct cbus_host *host) { int ret; @@ -106,6 +123,11 @@ out: return ret; } +/** + * cbus_receive_data - receives @len data from the bus + * @host: the host we're using + * @len: the length of data to receive + */ static int cbus_receive_data(struct cbus_host *host, unsigned len) { int ret = 0; @@ -125,6 +147,14 @@ out: return ret; } +/** + * cbus_transfer - transfers data over the bus + * @host: the host we're using + * @rw: read/write flag + * @dev: device address + * @reg: register address + * @data: if @rw == 0 data to send otherwise 0 + */ static int cbus_transfer(struct cbus_host *host, unsigned rw, unsigned dev, unsigned reg, unsigned data) { @@ -192,8 +222,10 @@ out: return ret; } -/* - * Read a given register from the device +/** + * cbus_read_reg - reads a given register from the device + * @dev: device address + * @reg: register address */ int cbus_read_reg(unsigned dev, unsigned reg) { @@ -201,8 +233,11 @@ int cbus_read_reg(unsigned dev, unsigned reg) } EXPORT_SYMBOL(cbus_read_reg); -/* - * Write to a given register of the device +/** + * cbus_write_reg - writes to a given register of the device + * @dev: device address + * @reg: register address + * @val: data to be written to @reg */ int cbus_write_reg(unsigned dev, unsigned reg, unsigned val) { -- 1.7.0.rc0.33.g7c3932 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
