[Sound-open-firmware] [PATCH v1 1/3] comp: default function to set comp state
Liam Girdwood
liam.r.girdwood at intel.com
Mon Sep 4 15:43:59 CEST 2017
On Mon, 2017-09-04 at 14:35 +0100, Ranjani Sridharan wrote:
> This patch adds a the comp_set_state() used for
> the mandatory pipeline commands, START, STOP, PAUSE and RELEASE. It also
> updates the cmd method in existing components to use comp_set_state().
>
> Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
> ---
> src/audio/component.c | 36 ++++++++++++++++++++++++++++++++++++
> src/audio/eq_fir.c | 23 ++---------------------
> src/audio/host.c | 16 ++++------------
> src/audio/src.c | 26 +++-----------------------
> src/audio/tone.c | 26 +++-----------------------
> src/audio/volume.c | 20 +++-----------------
> src/include/reef/audio/component.h | 3 +++
> 7 files changed, 54 insertions(+), 96 deletions(-)
>
> diff --git a/src/audio/component.c b/src/audio/component.c
> index 6369e2e..6f2e0c3 100644
> --- a/src/audio/component.c
> +++ b/src/audio/component.c
> @@ -117,6 +117,42 @@ void comp_unregister(struct comp_driver *drv)
> spin_unlock(&cd->lock);
> }
>
> +int comp_set_state(struct comp_dev *dev, int cmd)
> +{
> + int ret = 0;
> +
> + switch (cmd) {
> + case COMP_CMD_START:
> + case COMP_CMD_RELEASE:
> + dev->state = COMP_STATE_RUNNING;
> + break;
> + case COMP_CMD_STOP:
> + if (dev->state == COMP_STATE_RUNNING ||
> + dev->state == COMP_STATE_DRAINING ||
> + dev->state == COMP_STATE_PAUSED) {
> + comp_buffer_reset(dev);
> + dev->state = COMP_STATE_SETUP;
> + } else {
> + trace_comp_error("CEs");
> + ret = -EINVAL;
> + }
> + break;
> + case COMP_CMD_PAUSE:
> + /* only support pausing for running */
> + if (dev->state == COMP_STATE_RUNNING)
> + dev->state = COMP_STATE_PAUSED;
> + else {
> + trace_comp_error("CEp");
> + ret = -EINVAL;
> + }
> + break;
> + default:
we should set ret to -EINVAL here and trace.
> + break;
> + }
> +
> + return ret;
> +}
> +
> void sys_comp_init(void)
> {
> cd = rzalloc(RZONE_SYS, RFLAGS_NONE, sizeof(*cd));
> diff --git a/src/audio/eq_fir.c b/src/audio/eq_fir.c
> index 534a4a1..6380340 100644
> --- a/src/audio/eq_fir.c
> +++ b/src/audio/eq_fir.c
> @@ -364,31 +364,12 @@ static int eq_fir_cmd(struct comp_dev *dev, int cmd, void *data)
>
> break;
> case COMP_CMD_START:
> - trace_src("EFs");
> - dev->state = COMP_STATE_RUNNING;
> - break;
> case COMP_CMD_STOP:
> - trace_src("ESp");
> - if (dev->state == COMP_STATE_RUNNING ||
> - dev->state == COMP_STATE_DRAINING ||
> - dev->state == COMP_STATE_PAUSED) {
> - comp_buffer_reset(dev);
> - dev->state = COMP_STATE_SETUP;
> - }
> - break;
> case COMP_CMD_PAUSE:
> - trace_src("EPe");
> - /* only support pausing for running */
> - if (dev->state == COMP_STATE_RUNNING)
> - dev->state = COMP_STATE_PAUSED;
> -
> - break;
> case COMP_CMD_RELEASE:
> - trace_src("ERl");
> - dev->state = COMP_STATE_RUNNING;
> - break;
> default:
> - trace_src("EDf");
> + ret = comp_set_state(dev, cmd);
> + break;
> }
>
> return ret;
> diff --git a/src/audio/host.c b/src/audio/host.c
> index e71e95f..f81fd66 100644
> --- a/src/audio/host.c
> +++ b/src/audio/host.c
> @@ -553,28 +553,20 @@ static int host_cmd(struct comp_dev *dev, int cmd, void *data)
>
> // TODO: align cmd macros.
> switch (cmd) {
> - case COMP_CMD_PAUSE:
> - /* only support pausing for running, channel is paused by DAI */
> - if (dev->state == COMP_STATE_RUNNING)
> - dev->state = COMP_STATE_PAUSED;
> - break;
> case COMP_CMD_STOP:
> if (dev->state == COMP_STATE_RUNNING ||
> dev->state == COMP_STATE_DRAINING ||
> dev->state == COMP_STATE_PAUSED)
> ret = host_stop(dev);
> break;
> - case COMP_CMD_RELEASE:
> - /* channel is released by DAI */
> - dev->state = COMP_STATE_RUNNING;
> - break;
> - case COMP_CMD_START:
> - dev->state = COMP_STATE_RUNNING;
> - break;
> case COMP_CMD_SUSPEND:
> case COMP_CMD_RESUME:
> break;
> + case COMP_CMD_START:
> + case COMP_CMD_PAUSE:
> + case COMP_CMD_RELEASE:
> default:
> + ret = comp_set_state(dev, cmd);
> break;
> }
>
> diff --git a/src/audio/src.c b/src/audio/src.c
> index 0279841..0ecb48c 100644
> --- a/src/audio/src.c
> +++ b/src/audio/src.c
> @@ -381,7 +381,7 @@ static int src_cmd(struct comp_dev *dev, int cmd, void *data)
> {
> trace_src("SCm");
> struct comp_data *cd = comp_get_drvdata(dev);
> - int i;
> + int i, ret = 0;
>
> switch (cmd) {
> case COMP_CMD_SRC:
> @@ -400,35 +400,15 @@ static int src_cmd(struct comp_dev *dev, int cmd, void *data)
>
> break;
> case COMP_CMD_START:
> - trace_src("SSt");
> - dev->state = COMP_STATE_RUNNING;
> - break;
> case COMP_CMD_STOP:
> - trace_src("SSp");
> - if (dev->state == COMP_STATE_RUNNING ||
> - dev->state == COMP_STATE_DRAINING ||
> - dev->state == COMP_STATE_PAUSED) {
> - comp_buffer_reset(dev);
> - dev->state = COMP_STATE_SETUP;
> - }
> - break;
> case COMP_CMD_PAUSE:
> - trace_src("SPe");
> - /* only support pausing for running */
> - if (dev->state == COMP_STATE_RUNNING)
> - dev->state = COMP_STATE_PAUSED;
> -
> - break;
> case COMP_CMD_RELEASE:
> - trace_src("SRl");
> - dev->state = COMP_STATE_RUNNING;
> - break;
> default:
> - trace_src("SDf");
> + ret = comp_set_state(dev, cmd);
> break;
> }
>
> - return 0;
> + return ret;
> }
>
> /* copy and process stream data from source to sink buffers */
> diff --git a/src/audio/tone.c b/src/audio/tone.c
> index cbc50ac..305563e 100644
> --- a/src/audio/tone.c
> +++ b/src/audio/tone.c
> @@ -433,6 +433,7 @@ static int tone_cmd(struct comp_dev *dev, int cmd, void *data)
> {
> struct comp_data *cd = comp_get_drvdata(dev);
> struct sof_ipc_comp_tone *ct;
> + int ret = 0;
>
> trace_tone("tri");
>
> @@ -456,36 +457,15 @@ static int tone_cmd(struct comp_dev *dev, int cmd, void *data)
> tonegen_unmute(&cd->sg);
> break;
> case COMP_CMD_START:
> - trace_tone("TSt");
> - dev->state = COMP_STATE_RUNNING;
> - break;
> case COMP_CMD_STOP:
> - trace_tone("TSp");
> - if (dev->state == COMP_STATE_RUNNING ||
> - dev->state == COMP_STATE_DRAINING ||
> - dev->state == COMP_STATE_PAUSED) {
> - comp_buffer_reset(dev);
> - dev->state = COMP_STATE_SETUP;
> - }
> - break;
> case COMP_CMD_PAUSE:
> - trace_tone("TPe");
> - /* only support pausing for running */
> - if (dev->state == COMP_STATE_RUNNING)
> - dev->state = COMP_STATE_PAUSED;
> -
> - break;
> case COMP_CMD_RELEASE:
> - trace_tone("TRl");
> - dev->state = COMP_STATE_RUNNING;
> - break;
> default:
> - trace_tone("TDf");
> -
> + ret = comp_set_state(dev, cmd);
> break;
> }
>
> - return 0;
> + return ret;
> }
>
> /* copy and process stream data from source to sink buffers */
> diff --git a/src/audio/volume.c b/src/audio/volume.c
> index 93a3839..2e097d5 100644
> --- a/src/audio/volume.c
> +++ b/src/audio/volume.c
> @@ -385,7 +385,7 @@ static int volume_cmd(struct comp_dev *dev, int cmd, void *data)
> {
> struct comp_data *cd = comp_get_drvdata(dev);
> struct sof_ipc_ctrl_values *cv;
> - int i, j;
> + int i, j, ret = 0;
>
> trace_volume("cmd");
>
> @@ -425,29 +425,15 @@ static int volume_cmd(struct comp_dev *dev, int cmd, void *data)
> work_schedule_default(&cd->volwork, VOL_RAMP_US);
> break;
> case COMP_CMD_START:
> - dev->state = COMP_STATE_RUNNING;
> - break;
> case COMP_CMD_STOP:
> - if (dev->state == COMP_STATE_RUNNING ||
> - dev->state == COMP_STATE_DRAINING ||
> - dev->state == COMP_STATE_PAUSED) {
> - comp_buffer_reset(dev);
> - dev->state = COMP_STATE_SETUP;
> - }
> - break;
> case COMP_CMD_PAUSE:
> - /* only support pausing for running */
> - if (dev->state == COMP_STATE_RUNNING)
> - dev->state = COMP_STATE_PAUSED;
> - break;
> case COMP_CMD_RELEASE:
> - dev->state = COMP_STATE_RUNNING;
> - break;
> default:
> + ret = comp_set_state(dev, cmd);
> break;
> }
>
> - return 0;
> + return ret;
> }
>
> /* copy and process stream data from source to sink buffers */
> diff --git a/src/include/reef/audio/component.h b/src/include/reef/audio/component.h
> index e73a22a..cbd2356 100644
> --- a/src/include/reef/audio/component.h
> +++ b/src/include/reef/audio/component.h
> @@ -215,6 +215,9 @@ static inline void comp_free(struct comp_dev *dev)
> dev->drv->ops.free(dev);
> }
>
> +/* component state set */
> +int comp_set_state(struct comp_dev *dev, int cmd);
> +
> /* component parameter init - mandatory */
> static inline int comp_params(struct comp_dev *dev)
> {
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