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ALSA: hda/tegra - Improve error reporting

Browse source 
When probing, provide accurate error messages to help with debugging
failures.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Thierry Reding 2015-05-05 14:56:21 +02:00 committed by Takashi Iwai
parent 26e9a960b2
commit 6a464a4ccb
1 changed files with 19 additions and 6 deletions
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25
sound/pci/hda/hda_tegra.c
View file

@ -316,14 +316,20 @@ static int hda_tegra_init_chip(struct azx *chip, struct platform_device *pdev)
int err;
hda->hda_clk = devm_clk_get(dev, "hda");
if (IS_ERR(hda->hda_clk))
if (IS_ERR(hda->hda_clk)) {
dev_err(dev, "failed to get hda clock\n");
return PTR_ERR(hda->hda_clk);
}
hda->hda2codec_2x_clk = devm_clk_get(dev, "hda2codec_2x");
if (IS_ERR(hda->hda2codec_2x_clk))
if (IS_ERR(hda->hda2codec_2x_clk)) {
dev_err(dev, "failed to get hda2codec_2x clock\n");
return PTR_ERR(hda->hda2codec_2x_clk);
}
hda->hda2hdmi_clk = devm_clk_get(dev, "hda2hdmi");
if (IS_ERR(hda->hda2hdmi_clk))
if (IS_ERR(hda->hda2hdmi_clk)) {
dev_err(dev, "failed to get hda2hdmi clock\n");
return PTR_ERR(hda->hda2hdmi_clk);
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hda->regs = devm_ioremap_resource(dev, res);
@ -334,8 +340,10 @@ static int hda_tegra_init_chip(struct azx *chip, struct platform_device *pdev)
bus->addr = res->start + HDA_BAR0;
err = hda_tegra_enable_clocks(hda);
if (err)
if (err) {
dev_err(dev, "failed to get enable clocks\n");
return err;
}
hda_tegra_init(hda);
@ -385,12 +393,17 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
/* initialize streams */
err = azx_init_streams(chip);
if (err < 0)
if (err < 0) {
dev_err(card->dev, "failed to initialize streams: %d\n", err);
return err;
}
err = azx_alloc_stream_pages(chip);
if (err < 0)
if (err < 0) {
dev_err(card->dev, "failed to allocate stream pages: %d\n",
err);
return err;
}
/* initialize chip */
azx_init_chip(chip, 1);