/* * trimslice.c - TrimSlice machine ASoC driver * * Copyright (C) 2011 - CompuLab, Ltd. * Author: Mike Rapoport * * Based on code copyright/by: * Author: Stephen Warren * Copyright (C) 2010-2011 - NVIDIA, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include #include #include #include #include #include #include #include #include #include "../codecs/tlv320aic23.h" #include "tegra_asoc_utils.h" #define DRV_NAME "tegra-snd-trimslice" struct tegra_trimslice { struct tegra_asoc_utils_data util_data; }; static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_card *card = rtd->card; struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); int srate, mclk; int err; srate = params_rate(params); mclk = 128 * srate; err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk); if (err < 0) { dev_err(card->dev, "Can't configure clocks\n"); return err; } err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); if (err < 0) { dev_err(card->dev, "codec_dai clock not set\n"); return err; } return 0; } static const struct snd_soc_ops trimslice_asoc_ops = { .hw_params = trimslice_asoc_hw_params, }; static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = { SND_SOC_DAPM_HP("Line Out", NULL), SND_SOC_DAPM_LINE("Line In", NULL), }; static const struct snd_soc_dapm_route trimslice_audio_map[] = { {"Line Out", NULL, "LOUT"}, {"Line Out", NULL, "ROUT"}, {"LLINEIN", NULL, "Line In"}, {"RLINEIN", NULL, "Line In"}, }; static struct snd_soc_dai_link trimslice_tlv320aic23_dai = { .name = "TLV320AIC23", .stream_name = "AIC23", .codec_dai_name = "tlv320aic23-hifi", .ops = &trimslice_asoc_ops, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }; static struct snd_soc_card snd_soc_trimslice = { .name = "tegra-trimslice", .owner = THIS_MODULE, .dai_link = &trimslice_tlv320aic23_dai, .num_links = 1, .dapm_widgets = trimslice_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets), .dapm_routes = trimslice_audio_map, .num_dapm_routes = ARRAY_SIZE(trimslice_audio_map), .fully_routed = true, }; static int tegra_snd_trimslice_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct snd_soc_card *card = &snd_soc_trimslice; struct tegra_trimslice *trimslice; int ret; trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice), GFP_KERNEL); if (!trimslice) { dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n"); return -ENOMEM; } card->dev = &pdev->dev; platform_set_drvdata(pdev, card); snd_soc_card_set_drvdata(card, trimslice); trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(np, "nvidia,audio-codec", 0); if (!trimslice_tlv320aic23_dai.codec_of_node) { dev_err(&pdev->dev, "Property 'nvidia,audio-codec' missing or invalid\n"); ret = -EINVAL; goto err; } trimslice_tlv320aic23_dai.cpu_of_node = of_parse_phandle(np, "nvidia,i2s-controller", 0); if (!trimslice_tlv320aic23_dai.cpu_of_node) { dev_err(&pdev->dev, "Property 'nvidia,i2s-controller' missing or invalid\n"); ret = -EINVAL; goto err; } trimslice_tlv320aic23_dai.platform_of_node = trimslice_tlv320aic23_dai.cpu_of_node; ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev); if (ret) goto err; ret = snd_soc_register_card(card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); goto err_fini_utils; } return 0; err_fini_utils: tegra_asoc_utils_fini(&trimslice->util_data); err: return ret; } static int tegra_snd_trimslice_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); snd_soc_unregister_card(card); tegra_asoc_utils_fini(&trimslice->util_data); return 0; } static const struct of_device_id trimslice_of_match[] = { { .compatible = "nvidia,tegra-audio-trimslice", }, {}, }; MODULE_DEVICE_TABLE(of, trimslice_of_match); static struct platform_driver tegra_snd_trimslice_driver = { .driver = { .name = DRV_NAME, .of_match_table = trimslice_of_match, }, .probe = tegra_snd_trimslice_probe, .remove = tegra_snd_trimslice_remove, }; module_platform_driver(tegra_snd_trimslice_driver); MODULE_AUTHOR("Mike Rapoport "); MODULE_DESCRIPTION("Trimslice machine ASoC driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME); ref='/cgit.cgi/linux/net-next.git/tree/drivers/usb/common/Makefile?id=a971df0b9d04674e325346c17de9a895425ca5e1'>drivers/usb/common/Makefile parent2a2a5d1835b6f0baa0e207426d3c79eefd32e253 (diff)
bcma: use (get|put)_device when probing/removing device driver
This allows tracking device state and e.g. makes devm work as expected. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/usb/common/Makefile')