From 7e8be1b309be28e4c92818fed1c55bdac919c7dd Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 14 Apr 2015 16:55:31 +0200 Subject: [PATCH] ALSA: hda - Move send_cmd / get_response to hdac_bus_ops One less redirection. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 22 ++-------------------- sound/pci/hda/hda_codec.h | 11 ++++++----- sound/pci/hda/hda_controller.c | 24 +++++++++++++++--------- 3 files changed, 23 insertions(+), 34 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b86e2f449e56..7e3dcaba6365 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -507,25 +507,6 @@ static int snd_hda_bus_dev_disconnect(struct snd_device *device) return 0; } -/* hdac_bus_ops translations */ -static int _hda_bus_command(struct hdac_bus *_bus, unsigned int cmd) -{ - struct hda_bus *bus = container_of(_bus, struct hda_bus, core); - return bus->ops.command(bus, cmd); -} - -static int _hda_bus_get_response(struct hdac_bus *_bus, unsigned int addr, - unsigned int *res) -{ - struct hda_bus *bus = container_of(_bus, struct hda_bus, core); - return bus->ops.get_response(bus, addr, res); -} - -static const struct hdac_bus_ops bus_ops = { - .command = _hda_bus_command, - .get_response = _hda_bus_get_response, -}; - /** * snd_hda_bus_new - create a HDA bus * @card: the card entry @@ -534,6 +515,7 @@ static const struct hdac_bus_ops bus_ops = { * Returns 0 if successful, or a negative error code. */ int snd_hda_bus_new(struct snd_card *card, + const struct hdac_bus_ops *ops, struct hda_bus **busp) { struct hda_bus *bus; @@ -550,7 +532,7 @@ int snd_hda_bus_new(struct snd_card *card, if (!bus) return -ENOMEM; - err = snd_hdac_bus_init(&bus->core, card->dev, &bus_ops, NULL); + err = snd_hdac_bus_init(&bus->core, card->dev, ops, NULL); if (err < 0) { kfree(bus); return err; diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index fc4f76188a1d..b4261721d8f1 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -42,10 +42,6 @@ struct hda_pcm_stream; /* bus operators */ struct hda_bus_ops { - /* send a single command */ - int (*command)(struct hda_bus *bus, unsigned int cmd); - /* get a response from the last command */ - int (*get_response)(struct hda_bus *bus, unsigned int addr, unsigned int *res); /* free the private data */ void (*private_free)(struct hda_bus *); /* attach a PCM stream */ @@ -99,6 +95,9 @@ struct hda_bus { int primary_dig_out_type; /* primary digital out PCM type */ }; +/* from hdac_bus to hda_bus */ +#define to_hda_bus(bus) container_of(bus, struct hda_bus, core) + /* * codec preset * @@ -327,7 +326,9 @@ struct hda_codec { /* * constructors */ -int snd_hda_bus_new(struct snd_card *card, struct hda_bus **busp); +int snd_hda_bus_new(struct snd_card *card, + const struct hdac_bus_ops *ops, + struct hda_bus **busp); int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, unsigned int codec_addr, struct hda_codec **codecp); int snd_hda_codec_configure(struct hda_codec *codec); diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 6b39f2e8c820..666dee232e95 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -1328,8 +1328,9 @@ static int azx_single_get_response(struct hda_bus *bus, unsigned int addr, */ /* send a command */ -static int azx_send_cmd(struct hda_bus *bus, unsigned int val) +static int azx_send_cmd(struct hdac_bus *_bus, unsigned int val) { + struct hda_bus *bus = to_hda_bus(_bus); struct azx *chip = bus->private_data; if (chip->disabled) @@ -1342,9 +1343,10 @@ static int azx_send_cmd(struct hda_bus *bus, unsigned int val) } /* get a response */ -static int azx_get_response(struct hda_bus *bus, unsigned int addr, +static int azx_get_response(struct hdac_bus *_bus, unsigned int addr, unsigned int *res) { + struct hda_bus *bus = to_hda_bus(_bus); struct azx *chip = bus->private_data; if (chip->disabled) return 0; @@ -1354,6 +1356,11 @@ static int azx_get_response(struct hda_bus *bus, unsigned int addr, return azx_rirb_get_response(bus, addr, res); } +static const struct hdac_bus_ops bus_core_ops = { + .command = azx_send_cmd, + .get_response = azx_get_response, +}; + #ifdef CONFIG_SND_HDA_DSP_LOADER /* * DSP loading code (e.g. for CA0132) @@ -1762,15 +1769,16 @@ static int probe_codec(struct azx *chip, int addr) { unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) | (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; + struct hdac_bus *bus = &chip->bus->core; int err; unsigned int res; - mutex_lock(&chip->bus->core.cmd_mutex); + mutex_lock(&bus->cmd_mutex); chip->probing = 1; - azx_send_cmd(chip->bus, cmd); - err = azx_get_response(chip->bus, addr, &res); + azx_send_cmd(bus, cmd); + err = azx_get_response(bus, addr, &res); chip->probing = 0; - mutex_unlock(&chip->bus->core.cmd_mutex); + mutex_unlock(&bus->cmd_mutex); if (err < 0 || res == -1) return -EIO; dev_dbg(chip->card->dev, "codec #%d probed OK\n", addr); @@ -1811,8 +1819,6 @@ static int get_jackpoll_interval(struct azx *chip) } static struct hda_bus_ops bus_ops = { - .command = azx_send_cmd, - .get_response = azx_get_response, .attach_pcm = azx_attach_pcm_stream, .bus_reset = azx_bus_reset, #ifdef CONFIG_SND_HDA_DSP_LOADER @@ -1828,7 +1834,7 @@ int azx_bus_create(struct azx *chip, const char *model) struct hda_bus *bus; int err; - err = snd_hda_bus_new(chip->card, &bus); + err = snd_hda_bus_new(chip->card, &bus_core_ops, &bus); if (err < 0) return err; -- 2.11.0