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ALSA: firewire-tascam: remove callback function from async midi port

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As a result of localization of async midi port, ALSA driver for TASCAM
FireWire series can call helper function directly instead of callback
registration.

This commit removes the redundant design.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2017-04-14 16:46:26 +09:00 committed by Takashi Iwai
parent 531f471834
commit 9bae2150d0
2 changed files with 4 additions and 13 deletions
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8
sound/firewire/tascam/tascam-transaction.c
View File

@ -197,7 +197,7 @@ static void midi_port_work(struct work_struct *work)
* Later, snd_rawmidi_transmit_ack() is called.
*/
memset(port->buf, 0, port->len);
port->consume_bytes = port->fill(substream, port->buf);
port->consume_bytes = fill_message(substream, port->buf);
if (port->consume_bytes <= 0) {
/* Do it in next chance, immediately. */
if (port->consume_bytes == 0) {
@ -242,8 +242,7 @@ static void midi_port_work(struct work_struct *work)
}
int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port,
struct fw_unit *unit, u64 addr, unsigned int len,
snd_fw_async_midi_port_fill fill)
struct fw_unit *unit, u64 addr, unsigned int len)
{
port->len = DIV_ROUND_UP(len, 4) * 4;
port->buf = kzalloc(port->len, GFP_KERNEL);
@ -252,7 +251,6 @@ int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port,
port->parent = fw_parent_device(unit);
port->addr = addr;
port->fill = fill;
port->idling = true;
port->next_ktime = 0;
port->error = false;
@ -347,7 +345,7 @@ int snd_tscm_transaction_register(struct snd_tscm *tscm)
err = snd_fw_async_midi_port_init(
&tscm->out_ports[i], tscm->unit,
TSCM_ADDR_BASE + TSCM_OFFSET_MIDI_RX_QUAD,
4, fill_message);
4);
if (err < 0)
goto error;
}

9
sound/firewire/tascam/tascam.h
View File

@ -45,11 +45,6 @@ struct snd_tscm_spec {
#define TSCM_MIDI_IN_PORT_MAX 4
#define TSCM_MIDI_OUT_PORT_MAX 4
struct snd_fw_async_midi_port;
typedef int (*snd_fw_async_midi_port_fill)(
struct snd_rawmidi_substream *substream,
u8 *buf);
struct snd_fw_async_midi_port {
struct fw_device *parent;
struct work_struct work;
@ -64,7 +59,6 @@ struct snd_fw_async_midi_port {
unsigned int len;
struct snd_rawmidi_substream *substream;
snd_fw_async_midi_port_fill fill;
int consume_bytes;
};
@ -155,8 +149,7 @@ int snd_tscm_stream_lock_try(struct snd_tscm *tscm);
void snd_tscm_stream_lock_release(struct snd_tscm *tscm);
int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port,
struct fw_unit *unit, u64 addr, unsigned int len,
snd_fw_async_midi_port_fill fill);
struct fw_unit *unit, u64 addr, unsigned int len);
void snd_fw_async_midi_port_destroy(struct snd_fw_async_midi_port *port);
static inline void