diff options
| author | Arnaud Pouliquen <arnaud.pouliquen@st.com> | 2016-09-13 09:58:23 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-09-14 18:15:05 +0100 |
| commit | 5a4326d1c21bc9aa958d5e621e06cd1b13e50711 (patch) | |
| tree | fb8d1e6bb0d0894a5b183ff6be775f45fdc25e6e /sound/soc/sti/uniperif_reader.c | |
| parent | 29b4817d4018df78086157ea3a55c1d9424a7cfc (diff) | |
| download | linux-5a4326d1c21bc9aa958d5e621e06cd1b13e50711.tar.bz2 | |
ASoC: sti: suppress inappropriate DT fields
Update to suppress some DT nodes that can be handled in driver
using compatible string.
"dai-name", "st,version"and "st,mode" are suppressed
"st,tdm-mode" is added to handle TDM mode.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sti/uniperif_reader.c')
| -rw-r--r-- | sound/soc/sti/uniperif_reader.c | 46 |
1 files changed, 3 insertions, 43 deletions
diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index eb74a328c928..0e1c3ee56675 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -13,6 +13,7 @@ #include "uniperif.h" +#define UNIPERIF_READER_I2S_IN 0 /* reader id connected to I2S/TDM TX bus */ /* * Note: snd_pcm_hardware is linked to DMA controller but is declared here to * integrate unireader capability in term of rate and supported channels @@ -195,7 +196,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, } /* Calculate transfer size (in fifo cells and bytes) for frame count */ - if (reader->info->type == SND_ST_UNIPERIF_TYPE_TDM) { + if (reader->type == SND_ST_UNIPERIF_TYPE_TDM) { /* transfer size = unip frame size (in 32 bits FIFO cell) */ transfer_size = sti_uniperiph_get_user_frame_size(runtime) / 4; @@ -280,7 +281,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, SET_UNIPERIF_ITM_BSET_MEM_BLK_READ(reader); /* Enable underflow recovery interrupts */ - if (reader->info->underflow_enabled) { + if (reader->underflow_enabled) { SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_DONE(reader); SET_UNIPERIF_ITM_BSET_UNDERFLOW_REC_FAILED(reader); } @@ -394,41 +395,6 @@ static void uni_reader_shutdown(struct snd_pcm_substream *substream, } } -static int uni_reader_parse_dt(struct platform_device *pdev, - struct uniperif *reader) -{ - struct uniperif_info *info; - struct device_node *node = pdev->dev.of_node; - const char *mode; - - /* Allocate memory for the info structure */ - info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - if (of_property_read_u32(node, "st,version", &reader->ver) || - reader->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) { - dev_err(&pdev->dev, "Unknown uniperipheral version "); - return -EINVAL; - } - - /* Read the device mode property */ - if (of_property_read_string(node, "st,mode", &mode)) { - dev_err(&pdev->dev, "uniperipheral mode not defined"); - return -EINVAL; - } - - if (strcasecmp(mode, "tdm") == 0) - info->type = SND_ST_UNIPERIF_TYPE_TDM; - else - info->type = SND_ST_UNIPERIF_TYPE_PCM; - - /* Save the info structure */ - reader->info = info; - - return 0; -} - static const struct snd_soc_dai_ops uni_reader_dai_ops = { .startup = uni_reader_startup, .shutdown = uni_reader_shutdown, @@ -448,12 +414,6 @@ int uni_reader_init(struct platform_device *pdev, reader->state = UNIPERIF_STATE_STOPPED; reader->dai_ops = &uni_reader_dai_ops; - ret = uni_reader_parse_dt(pdev, reader); - if (ret < 0) { - dev_err(reader->dev, "Failed to parse DeviceTree"); - return ret; - } - if (UNIPERIF_TYPE_IS_TDM(reader)) reader->hw = &uni_tdm_hw; else |