linux-kernel - Re: [PATCH v7 1/1] ALSA: hda/tas2781: Add tas2781 hda driver based on SPI

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Date: Thu, 13 Jun 2024 14:36:33 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Baojun Xu <baojun.xu@...com>
Cc: <robh+dt@...nel.org>,
	<andriy.shevchenko@...ux.intel.com>,
	<lgirdwood@...il.com>,
	<perex@...ex.cz>,
	<pierre-louis.bossart@...ux.intel.com>,
	<kevin-lu@...com>,
	<shenghao-ding@...com>,
	<navada@...com>,
	<13916275206@....com>,
	<v-hampiholi@...com>,
	<v-po@...com>,
	<niranjan.hy@...com>,
	<alsa-devel@...a-project.org>,
	<linux-kernel@...r.kernel.org>,
	<liam.r.girdwood@...el.com>,
	<yung-chuan.liao@...ux.intel.com>,
	<broonie@...nel.org>,
	<soyer@....hu>
Subject: Re: [PATCH v7 1/1] ALSA: hda/tas2781: Add tas2781 hda driver based on SPI

On Thu, 13 Jun 2024 10:26:33 +0200,
Baojun Xu wrote:
> --- a/sound/pci/hda/Makefile
> +++ b/sound/pci/hda/Makefile
> @@ -70,6 +70,8 @@ obj-$(CONFIG_SND_HDA_SCODEC_CS35L56_SPI) += snd-hda-scodec-cs35l56-spi.o
>  obj-$(CONFIG_SND_HDA_CS_DSP_CONTROLS) += snd-hda-cs-dsp-ctls.o
>  obj-$(CONFIG_SND_HDA_SCODEC_COMPONENT) += snd-hda-scodec-component.o
>  obj-$(CONFIG_SND_HDA_SCODEC_TAS2781_I2C) += snd-hda-scodec-tas2781-i2c.o
> +obj-$(CONFIG_SND_HDA_SCODEC_TAS2781_SPI) += snd-hda-scodec-tas2781-spi.o
> +snd-hda-scodec-tas2781-spi-y :=	tas2781_hda_spi.o tas2781_spi_fwlib.o

Try to put *-y addition to the right place.  There are the section
defining snd-hda-codec-*-y.

> +#define TASDEVICE_REG(book, page, reg)	(((book & GENMASK(7, 0)) << 16) + \
> +					 ((page & GENMASK(7, 0)) << 8) + \
> +					  ((reg & GENMASK(6, 0)) << 1))

Usually bits are combined with '|', not '+'.

> +/* Firmware block Checksum */
> +#define TASDEVICE_Checksum		TASDEVICE_REG(0x0, 0x0, 0x7e)

Use capital letters.


... and at this point, I noticed that the patch doesn't contain the
code for sound/pci/hda/tas2781_spi_fwlib.c at all.  The patch must be
utterly broken.

*PLEASE* try to apply and build the patch to submit beforehand from
the clean state and verify it really works.


thanks,

Takashi