On Wed, Jan 03, 2018 at 10:39:17AM -0800, Ryan Lee wrote:
This looks mostly good. There are a few smaller issues but I think at
this point it's most sensible to apply and fix those incrementally so
I'll do that, please follow up with patches fixing the remaining issues.
> --- /dev/null
> +++ b/sound/soc/codecs/max98373.c
> @@ -0,0 +1,971 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/* Copyright (c) 2017, Maxim Integrated */
SPDX headers are supposed to be C++ comments, please send a followup
patch fixing this.
> +static int max98373_get_bclk_sel(int bclk)
> +{
> + int i;
> + /* match BCLKs per LRCLK */
> + for (i = 0; i < ARRAY_SIZE(bclk_sel_table); i++) {
> + if (bclk_sel_table[i] == bclk)
> + return i + 2;
> + }
> + return 0;
> +}
> +static int max98373_set_clock(struct snd_soc_codec *codec,
Missing blank line between the functions.
> + }
> + /* set DAI_SR to correct LRCLK frequency */
Another missing blank line.
> +static int max98373_dai_tdm_slot(struct snd_soc_dai *dai,
> + unsigned int tx_mask, unsigned int rx_mask,
> + int slots, int slot_width)
> +{
> + struct snd_soc_codec *codec = dai->codec;
> + struct max98373_priv *max98373 = snd_soc_codec_get_drvdata(codec);
> + int bsel = 0;
> + unsigned int chan_sz = 0;
> + unsigned int mask;
> + int x, slot_found;
> +
> + max98373->tdm_mode = true;
This should really also support disabling TDM mode - if the parameters
are all 0 just turn TDM off. Again can be fixed in a followup.
> +SOC_SINGLE_TLV("DHT Gain Min", MAX98373_R20D1_DHT_CFG,
> + MAX98373_DHT_SPK_GAIN_MIN_SHIFT, 9, 0, max98373_dht_spkgain_min_tlv),
> +SOC_SINGLE_TLV("DHT Rot Pnt", MAX98373_R20D1_DHT_CFG,
> + MAX98373_DHT_ROT_PNT_SHIFT, 15, 0, max98373_dht_rotation_point_tlv),
> +SOC_SINGLE_TLV("DHT Attack Step", MAX98373_R20D2_DHT_ATTACK_CFG,
> + MAX98373_DHT_ATTACK_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv),
> +SOC_SINGLE_TLV("DHT Release Step", MAX98373_R20D3_DHT_RELEASE_CFG,
> + MAX98373_DHT_RELEASE_STEP_SHIFT, 4, 0, max98373_dht_step_size_tlv),
You should add a Volume on the end of these control names so that
userspace knows how to display them properly; it's a little confusing as
they're not actually gains but it tends to work out better. Same for
most of the other TLV controls.
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