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1da0b9899a
linux/include/sound
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Srinivas Kandagatla 1da0b9899a
ASoC: soc-component: add snd_soc_component_read/write_field() 
It's often the case that we would write or read a particular field
in register. With the current soc_component apis, reading a particular
field in register would involve first read the register and then
perform shift operations.

Ex:
to read from a field mask of 0xf0

	val = snd_soc_component_read(component, reg);
	field = ((val & 0xf0) >> 0x4);

This is sometimes prone to errors and code become less readable!

With this new api we could just do
	field = snd_soc_component_read_field(component, reg, 0xf0);

this makes it bit simple, easy to write and less error prone!

This also applies to writing!

There are various places in kernel which provides such field interfaces
however soc_component seems to be missing this.

This patch is inspired by FIELD_GET/FIELD_PREP macros in include/linux/bitfield.h

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210126171749.1863-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-27 13:06:51 +00:00
..
ac97 ASoC: ac97: convert to SPDX identifiers 2018-07-02 10:56:09 +01:00
sof ASoC: SOF: trace: Add runtime trace filtering mechanism 2020-12-07 14:22:05 +00:00
ac97_codec.h ALSA: ac97: Treat snd_ac97_bus_ops as const 2020-01-03 09:24:08 +01:00
aci.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ad1816a.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ad1843.h
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ak4xxx-adda.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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ak4117.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ak4531_codec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ak4641.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
alc5623.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
asequencer.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
asound.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
asoundef.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
compress_driver.h ALSA: compress: allow pause and resume during draining 2020-11-27 19:45:05 +01:00
control.h ALSA: make snd_kcontrol_new name a normal string 2020-10-26 20:28:59 +01:00
core.h ALSA: fix kernel-doc markups 2020-10-26 15:26:31 +01:00
cs35l33.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cs35l34.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cs35l35.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cs35l36.h ASoC: cs35l36: Add support for Cirrus CS35L36 Amplifier 2019-02-08 13:00:28 +00:00
cs42l52.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
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designware_i2s.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
dmaengine_pcm.h ASoC: dmaengine_pcm: export soc_component_to_pcm 2020-06-12 14:18:02 +01:00
emu10k1_synth.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
emu10k1.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
emu8000_reg.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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es1688.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
graph_card.h ASoC: audio-graph: Expose helpers from audio graph 2020-11-10 17:28:23 +00:00
gus.h ALSA: isa/gus: remove -Wmissing-prototypes warnings 2020-07-07 11:59:59 +02:00
hda_chmap.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hda_codec.h ALSA: remove trailing semicolon in macro definition 2020-11-28 09:50:20 +01:00
hda_component.h i915/snd_hdac: I915 subcomponent for the snd_hdac 2019-02-08 16:58:59 +01:00
hda_hwdep.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 32 2019-05-24 17:27:10 +02:00
hda_i915.h ALSA: hda: Make audio component support more generic 2018-07-17 22:25:48 +02:00
hda_register.h ALSA: hda: fix VS_LTRC register name 2020-08-27 14:22:17 +01:00
hda_regmap.h ALSA: hda: Manage concurrent reg access more properly 2020-01-13 13:40:41 +01:00
hda_verbs.h ALSA: hda: add verbs for stripe control 2019-01-14 19:52:23 +01:00
hdaudio_ext.h ASoC: hdac: make SOF HDA codec driver probe deterministic 2020-09-21 23:57:24 +01:00
hdaudio.h ALSA: hda: Add dma stop delay variable 2020-08-05 12:27:47 +02:00
hdmi-codec.h ASoC: hdmi-codec: Use set_jack ops to set jack 2020-09-22 12:48:03 +01:00
hwdep.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
i2c.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
info.h ALSA: info: Make snd_info_entry_ops as const 2020-01-03 09:24:18 +01:00
initval.h ALSA: Allow const arrays for legacy resource management helpers 2020-01-05 16:14:26 +01:00
intel-dsp-config.h ALSA: hda: intel-dsp-config: add helper for ACPI DSP driver selection 2020-11-19 18:24:35 +00:00
intel-nhlt.h ALSA: Replace zero-length array with flexible-array 2020-05-07 22:30:36 +02:00
jack.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
l3.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
madera-pdata.h ASoC: madera: Update SPDX headers 2019-06-26 12:27:50 +01:00
max9768.h
max98088.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
max98090.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
max98095.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
memalloc.h ALSA: memalloc: Make SG-buffer helper usable for continuous buffer, too 2020-06-15 18:01:52 +02:00
minors.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mixer_oss.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mpu401.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
omap-hdmi-audio.h ALSA: Replace HTTP links with HTTPS ones 2020-07-19 20:49:25 +02:00
opl3.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
opl4.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pcm_drm_eld.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pcm_iec958.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pcm_oss.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pcm_params.h ALSA: pcm: Remove unused inline function snd_mask_sizeof 2020-09-09 18:43:07 +02:00
pcm-indirect.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
pcm.h ALSA: fix kernel-doc markups 2020-10-26 15:26:31 +01:00
pt2258.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pxa2xx-lib.h ASoC: pxa: remove snd_pcm_ops 2019-10-08 13:47:20 +01:00
rawmidi.h ALSA: rawmidi: Fix racy buffer resize under concurrent accesses 2020-05-07 22:29:14 +02:00
rt286.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rt298.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rt1015.h ASoC: rt1015: add delay to fix pop noise from speaker 2020-11-05 17:25:17 +00:00
rt5514.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rt5645.h ASoC: rt5645: add inv_hp_det flag 2021-01-11 14:03:09 +00:00
rt5659.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
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rt5668.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rt5682.h ASoC: rt5682: Add a new property for the DMIC clock driving 2020-11-13 14:22:09 +00:00
s3c24xx_uda134x.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sb16_csp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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seq_kernel.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
seq_midi_emul.h ALSA: seq: Constify struct snd_midi_op 2020-01-03 09:24:19 +01:00
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sh_dac_audio.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sh_fsi.h ASoC: fsi: convert to SPDX identifiers 2018-08-02 10:56:59 +01:00
simple_card_utils.h ASoC: audio-graph: Expose new members for asoc_simple_priv 2020-11-10 17:28:22 +00:00
simple_card.h ASoC: simple-card: convert to SPDX identifiers 2018-07-02 10:52:47 +01:00
snd_wavefront.h ASoC: Updates for v4.15 2017-11-13 15:45:57 +01:00
soc-acpi-intel-match.h ASoC: Intel: common: add ACPI matching tables for Alder Lake 2020-12-09 16:52:04 +00:00
soc-acpi.h ASoC: soc-acpi: add helper to identify parent driver. 2020-11-19 18:24:36 +00:00
soc-card.h ASoC: soc-card: add snd_soc_card_remove_dai_link() 2020-05-30 02:11:42 +01:00
soc-component.h ASoC: soc-component: add snd_soc_component_read/write_field() 2021-01-27 13:06:51 +00:00
soc-dai.h ASoC: soc-dai.h: remove symmetric_rates/samplebits 2021-01-21 12:38:20 +00:00
soc-dapm.h ASoC: dapm: declare missing structure prototypes 2020-06-25 19:21:01 +01:00
soc-dpcm.h ASoC: export DPCM runtime update functions 2020-03-12 13:30:38 +00:00
soc-jack.h ASoC: add soc-jack.h 2020-11-30 12:54:02 +00:00
soc-link.h ASoC: soc-pcm: care trigger rollback 2020-12-09 12:13:38 +00:00
soc-topology.h ASoC: topology: Remove multistep topology loading 2020-11-04 17:51:05 +00:00
soc.h ASoC: sync parameter naming : rate / sample_bits 2021-01-21 12:37:43 +00:00
sof.h ASoC: SOF: nocodec: modify DAI link definitions 2020-11-20 16:42:14 +00:00
soundfont.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
spear_dma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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tas5086.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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timer.h ALSA: timer: Replace tasklet with work 2020-09-09 18:32:52 +02:00
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vx_core.h ALSA: vx: Constify snd_vx_hardware and snd_vx_ops definitions 2020-01-03 09:24:20 +01:00
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wm8960.h ASoC: wm8960: Support headphone jack detection function 2020-06-15 20:58:33 +01:00
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